Alejandro and Emila ordered a pizza. Alejandro at 1/3 of the pizza and Emila ate 2/5 of the pizza. How much did they eat together? Was there any pizza left? How much?


Answers

Answer 1

Answer: [tex]\frac{4}{15}[/tex] of the pizza was left

Step-by-step explanation:

lets first get the denominators the same..

[tex]\frac{1}{3} = \frac{5}{15}[/tex]

[tex]\frac{2}{5} = \frac{6}{15}[/tex]

To find the total pizza eaten we add these two fractions

[tex]\frac{5}{15} +\frac{6}{15} =\frac{11}{15}[/tex]

we can think of [tex]\frac{15}{15}[/tex] as 1 pizza because it simplifies to 1

[tex]\frac{15}{15} -\frac{11}{15} =\frac{4}{15}[/tex]

Therefore, [tex]\frac{4}{15}[/tex] of the pizza was left

Answer 2

Answer:Amount left=4/15

Step-by-step explanation:

The solution is in the image

Alejandro And Emila Ordered A Pizza. Alejandro At 1/3 Of The Pizza And Emila Ate 2/5 Of The Pizza. How

Related Questions

The load requirement in your plan is 60 psf at a joist spacing of 16 inches . If the room dimensions are length 13 feet 2 inches and width 11feet 7 inches are 2 by 10 boards appropriate

Answers

The correct answer is; No, because the 2 x 10 boards can support neither the width nor length of the room.

How to find the dimensions?

We are given;

Load requirement = 60 psf

Joist Spacing = 16 inches

Length of room; 13 feet 2 inches

Width of room; 11 feet 7 inches.

Since we want to consider whether 2 by 10 boards are appropriate, this  length of  2 by 10 will not be appropriate because it cannot cover up for a room with dimensions of 13 feet 2 inches and 11 feet 7 inches.

Thus, we can conclude that No, because the 2 x 10 boards can support neither the width nor length of the room.

The missing options are;

A. Yes, because 2 x 10 boards can support the width and length of the room

B. Yes, because 2 x 10 boards support the 70 psf

C. No, because 2 x 10 boards can support only the width of the room

D. No, because the 2 x 10 boards can support neither the width nor length of the room

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A graph shows the number of texts, numbered 10 to 100, on the x-axis, and the total cost in dollars, numbered 3 to 27, on the y-axis. A straight red line with a positive slope, labeled Emilia, begins at (0, 10), and a straight blue line with a positive slope, labeled Hiroto, begins at (0, 20). Both lines intersect at point (50, 22.5).
Hiroto’s texting plan costs $20 per month, plus $0.05 per text message that is sent or received. Emilia’s plan costs $10 per month and $0.25 per text. Using the graph below, which statement is true?

Hiroto’s plan costs more than Emilia’s plan when more than 50 texts are sent.
Both plans cost the same when 22 texts are sent.
Emilia’s plan costs more than Hiroto’s plan when more than 22 texts are sent.
Both plans cost the same when 50 texts are sen

Answers

Answer: Both plans cost the same when 50 texts are sent.

Step-by-step explanation:

When x=50 (meaning 50 texts are sent), the y coordinate (which represents the cost) is the same.

(07.03 MC)

Victoria used a probability simulator to pull 3 colored marbles from a bag and flip a coin 50 times. The results are shown in the tables below:


Color of
Marble Number of
Times Rolled
Blue
18
Green
20
Yellow
12


Heads Tails
20 30


Using Victoria's simulation, what is the probability of pulling a blue marble and the coin landing tails up?
48 over 50
38 over 50
540 over 2500
360 over 2500

Answers

The probability of pulling a blue marble and the coin landing tails up is 360/2500

How to determine the probability?

The tables of values are given as:

Color     Times

Blue        18

Green     20

Yellow    12

Heads    Tails

20          30

The probability of obtaining a blue marble is:

P(Blue) = 18/50

The probability of landing tails up is:

P(Tail) = 20/50

The required probability is:

P = P(Blue) * P(Tail)

This gives

P = 18/50 * 20/50

Evaluate the product

P = 360/2500

Hence, the probability of pulling a blue marble and the coin landing tails up is 360/2500

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Which is a conditional statement for the sentence?

For all real numbers a, b, and c, a = b implies that a−c=b−c.


A.If a, b, and c are real numbers, then a = b.


B.For all real numbers a, b, and c, if a−c=b−c, then a = b.


C.For all real numbers a, b, and c, if a = b, then a−c=b−c.


D.If a, b, and c are real numbers, then a−c=b−c.

Answers

The conditional proposition for the given sentence is:

"For all real numbers a, b, and c, if a = b, then a−c=b−c."

Which one is a conditional statement?

A conditional statement is of the form:

If P, then Q.

Where P and Q are two propositions.

The sentence is:

"For all real numbers a, b, and c, a = b implies that a−c=b−c."

So the propositions are:

P = "a = b"

Q = " a - c = b - c"

Where we need to define that this works for all real numbers.

So the conditional proposition is:

"For all real numbers a, b, and c, if a = b, then a−c=b−c."

So the correct option is C.

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A cake has two layers. Each layer is a regular hexagonal prism. You cut and remove a slice that takes away one face of each prism as shown. What is the volume of the​ slice? What is the volume of the remaining​ cake? Use pencil and paper. Describe two ways to find the volume of the slice.
P.S. pls help me

Answers

The volume of the slice is 40 in³. The volume of the remaining cake is 197.014 in³.

What is a regular hexagon?

A regular hexagon is defined as a closed shape consisting of six equal sides and six equal angles.

Here we have two regular hexagons

one top small hexagon cake with side length = 3 in, height = 3 in

One big hexagon cake, side length = 4 in, Height = 4 in

A slice cut such that it removes a side segment is equivalent to an equilateral triangle with side length = length of hexagon side

Also, all angles within the equilateral triangle are 60° each

Therefore, the length of the side of the removed equilateral triangle side

Top small cake slice triangle side = 3 in.

Area of surface of small slice = 1/2 x b x h = 1/2 x 3 x 3 x sin 60

                                                 = 9√3/ 4

The volume of a small slice  

=  Area of surface small slice × Height of small cake

= 9√3/ 4  x 3

= 11. 69

Big cake slice triangle side = 4 in.

Area of the surface of big slice = 1/2 x 4 x 4 x sin 60

                                                     = 4√3

The volume of big slice =  Area of surface of big slice × Height of big slice

= 16√3

= 28

Total volume of slice = Volume of small slice + Volume of big slice

Total volume of slice = 12 in³ +28 in³ = 40 in³

For the small cake, the remaining volume = 5 x 11.69 = 58.45

For the big cake the remaining volume = 5 x 27.71 = 138.56

Total volume remaining cake = 58.45 in³ + 138.56 in³ = 197.014 in³

a = Length of side

h = Height of hexagon

The volume of each slice is, therefore,

= a^2 x h x √3/4

For the small cake, we have

a = 3 in.

h = 3 in.

Volume of small slice = a^2 x h x √3/4

                                    = 9 x 3 x √3/4 = 27√3/4

For the big cake, we have

a = 4 in.

h = 4 in.

Volume of big slice =  a^2 x h x √3/4

                                 = 16 √3

The total volume of slice = Volume of small slice + Volume of a big slice

Total volume of slice = 27√3/4 + 16 √3

The total volume of slice = 39404 in³.

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He was, without a doubt, the most prolific writer of mathematics of all time. Euler is credited as being the first mathematician to define function in the way we currently think of functions. In his book, Introductio in analysin infinitoriumin, he stated, “A function of a variable quantity is an analytic expression composed in any way whatsoever of the variable quantity and numbers or constant quantities.”

Based on what we know a function to be today, what did Euler mean by an analytic expression?

an expression formed with many variables and no numbers
an expression formed with many numbers and no variables
an expression formed from operations such as addition, multiplication, powers, and roots
an expression formed using only multiplication of a variable and a number

Answers

Based on what we know a function to be today, Euler mean an analytic expression "an expression formed from operations such as addition, multiplication, powers, and roots"

Euler's definition of a function

According to Euler, a function of a variable quantity is an analytic expression composed in any way whatsoever of the variable quantity and numbers or constant quantities.”

The function is. combination of expression which includes variables and constants using various operations such as roots, power and multiplication.

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Calculate the distance between the points H=(4,-8) and C=(9,-4) in the coordinate plane.

Answers

Answer:

[tex]find the functions whose derivative is 0[/tex]

MANY POINTS! PLEASE HELP

Answers

Answer:

B.  51.7699^2

Step-by-step explanation:

Last 2 wrong because it is positive.

101.... is not the definite integral for the curve

51... purrfecto

What is the sum of the first 40 positive odd integers?

Answers

Answer:

1600

Step-by-step explanation:

[tex]\text{Number of terms}, ~n = 40\\\\\text{Sum of n odd integers} = n^2 = 40^2 = 1600[/tex]

what is it pls help? multiple choice

Answers

Answer:

around 904.78

Step-by-step explanation:

i got 904.78 but i cant read the answers properly so choose the closest one

Living on less than what you make means not

Answers

Answer:

living beyond your means.

Step-by-step explanation:

Pay for what you need and don't go into debt.

(-1,-4) and (-201,-49)
Find the distance between the two points

Answers

Answer:

205 units

Step-by-step explanation:

The distance formula is D = √(x2-x1)^2 + (y2-y1)^2

Lets say -1 is x1 ; -4 is y1; -201 is x2 ; and -49 is y2

we just need to plug it into the formula and solve now

√ (-201 - -1)^2 + (-49 - -4)

√-200^2 + -45^2

√40000 + 2025

√42025 = 205

The distance between the two points is 205 units.

Determine the value of x using a trigonometric
ratio. Image below with answers.

Answers

This is an identity used to determine the measure of sides and angles of a triangles. The value of x from the given diagram is 7.18 units

Trigonometry identity

This is an identity used to determine the measure of sides and angles of a triangles

From the given triangle

Opposite =  5.5

Hypotenuse = x

According to the theorem

sin 50 = 5.5/H

x = 5.5/sin50

x = 7.18units

Hence the value of x from the given diagram is 7.18 units

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Find the side of an equialateral triangle if it's area is 9√3 cm2​

Answers

Step-by-step explanation:

We know that the area of an equilateral triangle of side a cm is

[tex] \rm \: Equilateral \: Triangle = \cfrac{ \sqrt{3} }{4} {a}^{2} \: cm[/tex]

Let a cm here be 9√3 then we could get our solution.

[tex] \rm\implies \rm 9 \sqrt{3} = \cfrac{ \sqrt{3} }{4} \: a {}^{2} [/tex]

[tex] \implies \rm \: \cfrac{ \sqrt{3} }{4} {a}^{2} = 9 \sqrt{3} [/tex]

[tex] \implies \rm \: a {}^{2} = 36[/tex]

[tex] \implies \rm \: a = \sqrt{36} = \sqrt{6 \times 6} [/tex]

[tex] \implies \rm \: a = 6 \: cm[/tex]

Thus, the side of the equilateral triangle is 6 cm.

Which choice is equivalent to the expression below?
√-27
OA. -3√3
OB. 3143
O C. -√√27
OD. -3√√37
OE. 3√3

Answers

E

√ -27
apply radical rule- √-a - √ -1 √ a

√ -27- √ -1 √ 27
- √-1 √ 27
i √ 27
3√ 3

The equivalent expression for the given expression is 3i√3.

What is an equivalent expression?

Equivalent expressions are expressions that work the same even though they look different. If two algebraic expressions are equivalent, then the two expressions have the same value when we plug in the same value for the variable.

The given expression is √-27

= i√27

= i√(9×3)

= 3i√3

Therefore, the equivalent expression for the given expression is 3i√3.

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Multiply:
(x+y)by (x+y)
a+b by a^2-b^2
(a+5) by (a^2-2a-3)
(a^2-ab+b^3) by (a+b)​

Answers

Answer:

Multiply:

[tex](x+y)by (x+y)[/tex]

[tex] : \implies(x + y)(x + y)[/tex]

[tex] : \implies \: x(x + y) + y(x + y)[/tex]

[tex] : \implies {x}^{2} + xy + xy + {y}^{2} [/tex]

[tex] : \implies{x}^{2} + 2xy + {y}^{2} [/tex]

Multiply:

[tex]a+b \: by \: a^2-b^2[/tex]

[tex]: \implies( {a}^{2} + {b}^{2} ) \times (a + b)[/tex]

[tex]: \implies \: {a}^{2} (a + b) - {b}^{2} (a + b)[/tex]

[tex]: \implies \: {a}^{3} + {a}^{2} b - {ab}^{2} - {b}^{3} [/tex]

Multiply:

[tex](a+5) by (a^2-2a-3)[/tex]

[tex]: \implies{(a + 5) \times ( {a}^{2} - 2a - 3) }[/tex]

[tex]: \implies \: a({a}^{2} - 2a - 3) + 5( {a}^{2} - 2a - 3)[/tex]

[tex]: \implies(a \times {a}^{2} - a \times 2a - a \times 3) + (5 \times {a}^{2} - 5 \times 2a - 5 \times 3)[/tex]

[tex]: \implies{a}^{3} - {2a}^{2} - 3a + 5 {a}^{2} - 10a - 15 [/tex]

[tex]: \implies{ {a}^{3} + {3a}^{2} - 13a - 15}[/tex]

Multiply:

[tex](a^2-ab+b^3) by (a+b)[/tex]

[tex]: \implies{(a + b) \times ( {a}^{2} - ab + {b}^{3} )}[/tex]

[tex]: \implies \: a( {a}^{2} - ab + {b}^{3}) + b( {a}^{2} - ab + {b}^{3} ) [/tex]

[tex]: \implies {a}^{3} - {a}^{2} b + a {b}^{3} + {a^2b} - {ab}^{2} + {b}^{4} [/tex]

[tex]: \implies{ {a}^{3}+ab^3 - ab^2+ {b}^{4} }[/tex]

Step-by-step explanation:

[tex] \blue{ \frak{Seolle_{aph.rodite}}}[/tex]

only answer if you know! no spams :)

Answers

find the circumference of an object. use 3.14 or 22/7 for pi. round to the nearest hundredth if necessary. 9 cm

need help with this math

Answers

Answer:

x = -12

y = 10

(x, y) = (-12, 10)

Step-by-step explanation:

Let a and ß be first quadrant angles with cos(a)=
√11/7
and sin(B)=
√11/4
Find cos(a+B)

Answers

Since both α and β are in the first quadrant, we know each of cos(α), sin(α), cos(β), and sin(β) are positive. So when we invoke the Pythagorean identity,

sin²(x) + cos²(x) = 1

we always take the positive square root when solving for either sin(x) or cos(x).

Given that cos(α) = √11/7 and sin(β) = √11/4, we find

sin(α) = √(1 - cos²(α)) = √38/7

cos(β) = √(1 - sin²(β)) = √5/4

Now, recall the sum identity for cosine,

cos(x + y) = cos(x) cos(y) - sin(x) sin(y)

It follows that

cos(α + β) = √11/7 × √5/4 - √38/7 × √11/4 = (√55 - √418)/28

Reese, Greg, and Brad meet once a week for coffee. They each have their favorite café and, to be fair, they use
randomization to choose where they will meet. Each person has a colored marble: red (R) for Reese, green (G) for
Greg, and blue (B) for Brad. Each week, all three marbles are mixed well in a bag and a marble is selected. The
favorite café of the person associated with the selected marble is chosen for that week's meeting. Which of the
following represents the sample space for choosing a café for the first two weeks?
OR & G, R & B, G & R, G & B, B &R, B & G
OR&R, R&G, R & B, G & G, G & B, B & B
R&R, R&G, R & B, G & R, G & G, G & B, B &R, B&G, B & B
R&R, R&G, R & B, R & G, G&R, G & G, G & B, B &R, B & G, B & B
OO

Answers

All the samples are given as {R&R, R&G, R&B, G&R, G&G, G&B, B&R, B&G, B&B}.

What are sample?

A sample is a group of clearly specified components. The number of items in a finite sample is denoted by a curly bracket.

Reese, Greg, and Brad meet once a week for coffee.

They each have their favorite café and, to be fair, they use randomization to choose where they will meet.

Each person has a colored marble: red (R) for Reese, green (G) for Greg, and blue (B) for Brad.

Each week, all three marbles are mixed well in a bag and a marble is selected.

The favorite café of the person associated with the selected marble is selected for that week's meeting.

Then the total number of the outcomes will be

Total outcomes = 3 × 3

Total outcomes = 9

All the samples are given below.

{R&R, R&G, R&B, G&R, G&G, G&B, B&R, B&G, B&B}

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The radius of a semicircle is 5 centimetres. What is the semicircle's diameter?

Answers

The diameter [tex]d = 2r[/tex], where [tex]r[/tex] is the radius. Thus, [tex]d = 2 \times r = 2 \times 5 = 10cm[/tex]

y = 2(6 + 1) + 5(3 + 2)

Answers

Step-by-step explanation:

According to PEMDAS parentheses are first.

2(6+1) can be simplified to 12+2.

5(3+2) can be simplified to 15+10

Add these two together.

12+2+15+10

14+15+10

29+10

y=39

Note - when you have something like this in math 2(6+1) it means you need to do 2 x 6 and 2 x 1

Jen wants to save money for the future. Jen invests $1,100 in an account that pays interest rate of 4%.
How many years will it take for the account to reach $2,900? Round your answer to the nearest hundredth.

Answers

The number of years it will take for the money to be $2900 is 40.91 years

How to find the years the money will accrue to 2900 dollars?

Using simple interest formula,

I = prt / 100

we are looking for t

where

p = principalr = ratet = timeI = simple interest

Therefore,

I = 2900 - 1100 = 1800

1800 = 1100 × 4 × t / 100

cross multiply

180000 = 4400t

t = 180000 / 4400

t = 40.9090909091

t = 40.91 years

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In triangle ABC, AP is an angle bisector of angle BAC. What is the length of PC? Round you answer to the nearest whole number.
A) 6 B) 7 C) 8 D) 9

Answers

Answer:

D) 9

Step-by-step explanation:

x = ½ × 13 = 6.5

y = ½ × 5 = 2.5

6.5 + 2.5 = 9

So the length of PC is 9

HOPE THIS HELPS AND HAVE A NICE DAY <3

set questions need immediate help​

Answers

60-35%=25%50-35%=15%25%=Math35%=(mns)15%=science

what is the effect of the “-“ when y= (x+3)^ is changed to y=-(x+3)^?

Answers

Answer + Step-by-step explanation:

The effect of the “-“ when y = (x+3) is changed to y = -(x+3) is creating a negative slope and y-intercept,

y = -(x+3) distributed is y = -x - 3

Visual representation:

The red line: y = (x+3)

The blue line: y = -(x+3)

Cost of Bikes ($) at Bike Shop
312, 352, 480, 392, 368, 352, 416, 640
a. mean
The mean is?

Answers

Answer:

414

Step-by-step explanation:

312+352+480+392+368+352+416+640 divided by 8 = 414

Answer: its 414

Explanation: So to figure out the mean you add up all the numbers together and then you divide by how many numbers there are like for this equation 312+352+480+392+368+352+416+640 = 3312 then you divide by eight because there’s eight numbers that you added together and 3312÷ 8 is 414

17
24
12
X
What is the value of x?

Answers

Answer: 8.5

Step-by-step explanation:

By the intersecting chords theorem,

[tex]17(12)=24x\\204=24x\\x=\boxed{8.5}[/tex]

Answer and explanation please

Answers

Step-by-step explanation:

So, let the N=10a+b

N=10a+b,P(N)=ab,S(N)=a+b

10a+b=ab+a+b

9a-ab=0

a(9-b)=0

a=0 and 9-b=0, b=9. the number is 9. but 9 is not two-digit number. So there is no N which satisfied previous conditions.

Which of the following describes the polynomial function?

Answers

Your image is cropped, so I can’t see the options to choose from but this would work too:

=> (x-2)(x-5)(x-7)
=> (x^2 -5x -2x +10)(x-7)
=> (x^2 -7x +10)(x-7)
=> (x^3 -21x^2 +10x -7x^2 + 49x -70)

=> x^3 -28x^2 + 59x -70

The following is true:

* the polynomial has a positive leading coefficient.

* the polynomial has a domain of x = (-oo, oo)


Other Questions
Pls help me with my math someone please help ASAP will give brainliest Find the values of a and b that make the quadrilateral a parallelogram. What is the mode of the data represented in this line plot?Enter your answer in the box. Can you help me please!! MATH!!! (please answer correctly...) find the surface area of the prism Write -0.65 as a fraction or mixed number in simplest form. (you may use an improper or a mixed number as your final answer.) The number of compact discs N purchased each year, in millions, can beapproximated by the functionN(t) = 384(1.13)where t is the number of years since 1991.After what amount of time will two billion compact discs be sold?What is the doubling time for the number of compact discs sold in one year? 1. ver - t Veres (ANSWER)2. abrir - ellas (ANSWER)3. leer - yo (ANSWER)4. comer - los nios (ANSWER)2. abrir - ellas (ANSWER)3. leer - yo (ANSWER)4. comer - los nios (ANSWER)5. leer- Paco (ANSWER)6. beber - nosotros (ANSWER)7. escribir - yo (ANSWER)8. vivir - nosotros (ANSWER)9. ver- ellos (ANSWER)10. aprender - ustedes (ANSWER) 11. comprender- mam (ANSWER)12. vivir - el seor (ANSWER)13. ver - yo (ANSWER)14. asistir- los clientes (ANSWER)15. vivir - t (ANSWER)16. comer - nosotros (ANSWER)17. beber - los estudiantes (ANSWER)18. comer - vosotros (ANSWER)19. abrir- mi amigo (ANSWER) Which one of the following inequalities would require you to reverse the symbol? a) 2x > -14 b) -14 < 2x c) -14 2x d) -2x -14 10 more than w is equal to 40 what is the expression Jonathans temperature this morning was 38.2C. After 2 hours, it was 39.5C. All are true about Marks condition EXCEPT*1 pointa. His condition worsened.b. His condition improved.c. His temperature went up by 1.3 Cd. He has high fever.2. The temperature of freshly baked hot malungay pandesal is 68C; while hot coffee is 85C. What is the difference between the two temperatures?*1 pointa. 15Cb. 17Cc. 23Cd. 2.3C3. At 8:00 AM, the temperature in the room was 25.6C. By noon, it had gone up by 2.5 C. But by 6:00 PM, it had gone down by 3.3 C. What was the temperature in the room at 6:00 PM?*1 pointa. 28Cb. 24.8Cc. 28.4Cd. 28.5C Read the passage.(1) What is the correct amount of homework to givestudents? (2) Some teenagers complain that they spendtoo much time on homework. (3) Some studentsstruggle with time management when it comes tofinishing homework. (4) This can cause students toworry and stress.Which type of appeal does the speaker use in sentence4?O appeal to authorityO appeal to characterO appeal to evidenceO appeal to emotions (Here's the table used for context)Family / parent phenotype cross / phenotype ratio in offspring1 / gray fur x black fur / 3 gray fur: 2 black fur2 / gray fur x black fur / 0 gray fur: 5 black fur3 / black fur x black fur / 1 gray fur: 3 black fur4 / gray fur x gray fur / 4 gray fur: 0 black furUsing the allele symbols N and n identify the most likely genotype of the parent wolves in family 1 and the most likely genotypes of the parent wolves in family 2. Be sure to identify which genotype is for the parent with gray fur and which genotype is for the parent with black fur in each family.ok so, I'm having trouble understanding. i believe that the inheritance pattern could be dominant-recessive, but now I'm not too sure. families 1 and 2 have 5 offspring (which doesn't accommodate a dominant-recessive punnett square as that only accounts for 4 offspring). so i tried thinking of it in percentages instead but (in family 1 for example) 2/5 is 40% and 3/5 is 60% so that doesn't work with the dominant-recessive punnett square where each trait is 25%. so either I'm wrong about the inheritance pattern or I'm just full on . someone please help, i don't think I've ever been this confused in bio. The Indian caste system means that people Group of answer choices a. are classified by heredity. b. are forbidden to change occupations. c. must sit by color-coded pillars at the theatre. d. all of the above e. none of the above A recipe for 8 servings lists: 6 cups spaghetti sauce 4 cups ricotta cheese and 4 cups mozzarella cheese. Determine the amount of ingredients necessary to serve 5 people. Certain politicians asserted that African Americanswould not make good soldiers. Cite specific examplesfrom the text that refute that claim. What is thesignificance of the 54t Massachusetts Regiment? According to the USDA My Plate, someone who needs 2000 kcal/day should consume _____ cup(s) of milk or the equivalent in milk products each day. What is the area of the triangle below?O27 square unitsO 45 square unitsO 54 square units20 Give your answer in terms of [tex]\pi \\[/tex]