Pls help me with this question!!!

Pls Help Me With This Question!!!

Answers

Answer 1

Step-by-step explanation:

just think a little bit.

congruent rectangles means they are all of equal size.

so, the sizes of all of these rectangles are 3×4.

therefore, the area of each one is 3×4 = 12 cm².

the total surface area (without the top

and bottom stars) is the sum of the areas of all rectangles.

how many rectangles are there ?

well, every "arm" of the star has 2 rectangle sides. and there are 5 "arms". so, there are 2×5 = 10 rectangles.

now it is really easy, right ?

we have 10 rectangles, each one with an area of 12 cm².

so the total surface area (without the star bases) is

12×10 = 120 cm²


Related Questions

Plot the points (-3, 4) (4, 4) on the coordinate plane below.
What is the distance between these two points.

Answers

Answer:

the distance is 7 units

Step-by-step explanation:

pls mark me brainliest :))

Please solve this problem... I will mark you brainliest

Answers

Answer:

First find x

70-x=4x

-x-4x=-70

-5x=-70

x=14

Angle BEC = 70°-x

=70-14

=56°

Angle AEB = 180- 56

= 124°

Angle DEA =4x

= 4× 14

= 56°

Angle CED = 180-56

=124°

Write the equation of the line that passes through the points (3,1) and (-2,6)

Answers

[tex]slope = y2 - y1 \div x2 - x1[/tex]

[tex]6 - 1 \div - 2 - 3[/tex]

[tex]5 \div - 5 [/tex]

[tex] - 1[/tex]

[tex]y = mx + c[/tex]

[tex]1 = - 1 \times 3 + c[/tex]

[tex]1 = - 3 + c[/tex]

[tex]1 + 3 = c[/tex]

[tex]c = 4[/tex]

[tex]y = - 1x + 4[/tex]

[tex]y = - x + 4[/tex]

Hshshjsjsjsjsjsjjsjs

Answers

Answer:

3 ÷ 8

Step-by-step explanation:

1. A fraction has two parts: a numerator and a denominator. The numerator is the dividend (the number that is to be divided by the divisor), and the denominator is the divisor (the number that is divided into the dividend).

2. Given the information above, we know that 3 is the numerator, and 8 is the denominator. This means 3 ÷ 8 = 3/8.

an arrow is horizontally projected from the top of a tower with an initial velocity of 18m/s if it reaches the ground 7s later, calculate the height of the tower (take g=10m/s²)​

Answers

Answer:

x[f]=at^2/2+v[i]t+x[i]

Brackets dennote a subscript.

You're given x[f], a, t,and v[i]. You can just plug in their values into the formula and solve for x[i]. The horizontal velocity is irrelevant, the height of the tower is the initial position of the arrow, and final position is gonna be when it reaches the ground,or 0.

Need help ASAP!!!! 50 points

Answers

f(121)=11-121/121=11-1=10

(-7x) + 5
x= -8

Evaluate the expression

Answers

Answer:

61

Step-by-step explanation:

(-7x)+5

Let x = -8

-7*(-8) +5

56+5

61

Answer:

61

Step-by-step explanation:

Here you are just substituting for x.

Since x = -8  we just plug that into the expression.

-7x + 5

-7(-8) + 5

56 + 5

= 61

[tex]\huge\bold\red{{HELP}}[/tex]
Please answer it correctly With solution.​

Answers

Step-by-step explanation:

[tex] \frac{ {a} + 4 }{ {a}^{2} + 7a + 10} \times \frac{ {a}^{2} + 6a + 5}{ {a}^{2} + 5a + 4 } \\ = \frac{ {a} + 4 }{ (a + 2)(a + 5)} \times \frac{(a + 5)(a + 1)}{(a + 4)(a + 1)} \\ = \frac{1}{a + 2}\\\\ \frac{9m-4}{8}+\frac{3m+8}{8} \\=\frac{12m+4}{8}\\=\frac{3m-1}{2}\\\\\frac{4{x}^{2}}{2x-7}-\frac{49}{2x-7}\\=\frac{4{x}^{2}-49}{2x-7}\\=\frac{(2x-7)(2x+7)}{2x-7}\\=(2x+7)[/tex]

Please find attached photograph for your answer.

Hope it helps and sorry for delay.

I WILL MARK BRAINLIEST, NO FAKE ANSWERS

Answers

1- 60times1
2- 5 days

Trigonometric identities: Performance task

Answers

#1

[tex]\\ \sf\longmapsto (1+cosx)(1-cosx)[/tex]

[tex]\\ \sf\longmapsto 1-cos^2x[/tex]

[tex]\\ \sf\longmapsto sin^2x[/tex]

#2

[tex]\\ \sf\longmapsto \dfrac{1}{cot^2x}-\dfrac{1}{cos^2x}[/tex]

[tex]\\ \sf\longmapsto tan^2x-sec^2x[/tex]

[tex]\\ \sf\longmapsto 1[/tex]

Which one is the larger average rate, -3.142 or -0.5?

Answers

Answer:

-0.5 is the larger average rate

Step-by-step explanation:

-3.142 is less than -0.5

The sequence 2, 9, 20, 35, … is illustrated in the art below. What is the 50th term of this sequence?

Answers

Answer:

Answer:

345 is the answer

Step-by-step explanation:

use the nth term sequence and you get 7n-5 just substitute 50 and you get that hope I helped!

Write 90 mm2 in cm2

I still don’t know it

Answers

Answer:

90mm^2= 90×10^-2 = 0.9 cm^2

You are paid $82.50 for 7 1/2 hours of work. What is your rate of pay

Answers

Answer:

$11 per hour

Step-by-step explanation:

Answer:

$11 per hour

I divided 82.5 by 7.5 and got 11.

Follow the steps in purple to evaluate:
4
+
9
To add or subtract fractions, their denominators
must be the same. We can get a common
denominator by multiplying the second fraction
by 3/3.
6
-
(-}).
What number belongs in the green box?
Enter

Answers

I think it is 3 but I’m not 100%

Help me someone please i will give brainliest and 5 stars and a thanks :)

Answers

Answer:

a

Step-by-step explanation:

Answer:

b. 81

d. 144

Step-by-step explanation:

A perfect square is an integer whose square root is also an integer.

Angles A and B are supplementary. If mA = 67, find mB.

Pleas show work!

Answers

Answer:

mB = 113 degrees

Step-by-step explanation:

180 - 67 = 113

Answer:

mB=113

Step-by-step explanation:

mA=67

Triangles are 180 with all angles added together.

To find mB subtract mA with 180.

180 - 67 = 113

mB=113

Solve 5/(r-9)=8/(r+5)

Answers

Answer:

r = 32 1/3

Step-by-step explanation:

5/(r-9) = 8/(r+5)

cross multiply:

5 x (r + 5) = 8 x ( r - 9)

5r + 25 = 8r - 72

Add 72 to both sides:

5r + 97 = 8r

Subtract 5r from both sides

97 = 3r

Divide both sides by 3

r = 32 1/3

-Chetan K

Answer:

r = 32 1/3 or 97/3

Step-by-step explanation:

Step 1: Cross-multiply.

[tex]5*(r+5)=8*(r-9)[/tex] [tex]5r + 25 = 8r - 72[/tex]

Step 2: Subtract 8r from both sides.

[tex]5r + 25 - 8r = 8r - 72 - 8r[/tex] [tex]-3r +25=-72[/tex]

Step 3: Subtract 25 from both sides.

[tex]-3r + 25 - 25 = -72 - 25[/tex] [tex]-3r = -97[/tex]

Step 4: Divide both sides by -3.

[tex]\frac{-3r}{-3}=\frac{-97}{-3}[/tex] [tex]r=\frac{97}{3}[/tex] [tex]r = 32\frac{1}{3}[/tex]

Therefore, r = 32 1/3 or 97/3.

6. How high must a crate be in order to hold 120 cubic meters if it has a base area of 24 square meters?​

Answers

Answer:

height = 5 m

Step-by-step explanation:

The volume (V) of a cuboid is calculated as

V = Ah ( A is area of base and h the height )

Here V = 120 and A = 24 , then

24h = 120 ( divide both sides by 24 )

h = 5

The height of the crate is 5 m

It must be at least 5 meters.

Heather wants to make a 36% acid solution.
She has already poured 3 fl. oz. of a 72%
acid solution into a beaker. How many fl.
oz. of a 9% acid solution must she add to
this to create the desired mixture?

Answers

Answer:

.72x + .27 = .36(x + 3)

please help im tired and i don't wanna fail it's important

Options:
A) there are no points located on the x - axis
B) B
C) C
D) D
E) E

Answers

Answer:

D

Step-by-step explanation:

The x-axis is the horizontal line. Therefore D is directly on the line, making it on the x axis.

A sum of money is shared amongst three friends, Shai, Toni and Mara in the ratio 6:5:9 respectively. If Toni received $160, how much money did Shai and Mara receive?​ HELLLLLLLLPPPPPPP

Answers

Answer:

$192 and $288

Step-by-step explanation:

The ratio given:

Shai : Toni : Mara = 6 : 5 : 9

Toni receives $160, which is 5 portions.

Each portion is:

$160/5 = $32

Shai gets:

6*$32 = $192

Mara receives:

9*$32 = $288

Step-by-step explanation:

It is given

4x+3y=24

We can also write it as

3y=24−4x

 y=324−4x

Substituting x=0 in the given equation

 y=324−4(0)

 So we get 

 y=324

 By division 

 y=8 

 Substituting x=3 in the given equation 

 y=324−4(3)

 So we get

 y=312

 BY division 

 y=4

100 points and brainliest to the first correct answer
I've done the work but I need to know what my new coordinates will be

Here's the question
Use the mapping (x+3, y-5), for the transformation of triangle ABC with vertices A(-2, -4), B(0, 0), and C(1, -3), find the coordinates of the new triangle A’B’C’ . You must show all your work.

And then here is the answer:
You’re going to go left side three points and down five for every point on the graph (ABC) and once you do that label the ABC marks with an apostrophe like so; A’B’C’ for every time you change places

Answers

Answer:

A'(1, -9), B'(3, -5), C'(4, -8)

Step-by-step explanation:

Use the given rule and find the coordinates as follows:

(x, y) → (x + 3, y - 5)A(-2, -4) → A'(-2 + 3, -4 - 5) = A'(1, -9)B(0, 0) → B'(0 + 3, 0 - 5) = B'(3, -5)C(1, -3) → C'(1 + 3, -3 - 5) = C'(4, - 8)

The points are plotted, see the attached.

Answer:

Before I start, wouldn't you go right three times since it's x + 3 not x - 3. Id.k maybe I'm just slow.

Anyways, take your current points which are A(-2,-4), B(0,0), and C(1,-3) and apply the new mapping rule to them. For example: (-2 + 3, -4 -5), and that will give you A' (1,-9). If you do the same to the other two, you'd have B' (3,-5) and C' (4,-8).

I graphed A, B, C, and A', B', C' above for you.⤴⤴

Hope the graph makes sense, good luck :)

Sam completed the square for the quadratic equation y=1/2x^2−2x+3 in order to determine the minimum value of the equation, as shown.

Answers

Answer:

[tex](2,1)[/tex]

Step-by-step explanation:

You can just use the formula [tex]x=-\frac{b}{2a}[/tex]:

[tex]y=ax^2+bx+c[/tex]

[tex]y=\frac{1}{2}x^2-2x+3[/tex]

[tex]x=-\frac{-2}{2(\frac{1}{2})}=\frac{2}{1}=2[/tex]

[tex]y=\frac{1}{2}(2)^2-2(2)+3=\frac{1}{2}(4)-4+3=2-4+3=-2+3=1[/tex]

Therefore, the minimum value of the equation is [tex](2,1)[/tex]

Find the distance between the pair of points.
​(19​,−8​) and ​(−14​,−23​)

Answers

Answer:

36.25 units

Step-by-step explanation:

Hi there!

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex] where two endpoints are [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]

Plug in the given points ​(19​,−8​) and ​(−14​,−23​):

[tex]d=\sqrt{(19-(-14))^2+(-8-(-23))^2}\\d=\sqrt{(19+14)^2+(-8+23)^2}\\d=\sqrt{(33)^2+(15)^2}\\d=\sqrt{1089+225}\\d=\sqrt{1314}\\d=36.25[/tex]

Therefore, the distance between the points is approximately 36.25 units.

I hope this helps!

Answer:36.25

Step-by-step explanation:distance between (x1, y1) and (x2,y2) is square root of (x2-x1)^2 + (y2-y1)^2. think of graph the distance between two points is the hypotenuse of a right angle triangle where the height is the difference of y and base is the difference of x

= square root of (19+14)^2 +(-23+8)^2= 36.25

What are the values of t and u?

Answers

Answer:

t=44°

U=92°

Step-by-step explanation:

V=W=44°

U=180-(44×2):92°

help with this question

Answers

Answer:

B Possibly?

Step-by-step explanation:

Express the ratio as a fraction in simplest form. 10 yards to 10 feet

Answers

Answer:

30

Step-by-step explanation:

3 feet per yard, therefore 10 yards= 30 feet

will mark as brainliest plz help​

Answers

Answer:

cccccccccccccccccccccccc

C po ata

Explanation:
Not sure

7.

Which expression is equivalent to 2r(2.5s + 10) - 3(r + 4) + s(r - 1)?

A. 6rs + 23r - 13

B

6rs + 17r - 13

С

6rs + 23r + S + 12

D

6rs + 17r - S - 12

Answers

D is the correct answer. Here’s my work to confirm it.
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