pls help with this, I'm confused

Pls Help With This, I'm Confused

Answers

Answer 1

Answer:

Step-by-step explanation:

Pls Help With This, I'm Confused

Related Questions

A family purchased tickets to a museum and spent a total of $38.00. The family purchased 4 tickets. There was $1.50 processing fee for each ticket

Answers

Answer:

38/1.50x4=101.33...

Step-by-step explanation:

Answer:

The answer is 8

Step-by-step explanation:

There is a guitar that originally costs $249.99. It is on sale for 15% off. You also have to pay 6% sales tax. How much will you pay for the guitar? Please show work!!!

Answers

Answer:

225.24099

Step-by-step explanation:

249.99(0.15) = 37.4985

249.99 - 37.4985 = 212.4915

212.4915(0.06) = 12.74949

212.4915 + 12.74949 = 225.24099

Find Cos b in the triangle

Answers

Answer:

3/5

Step-by-step explanation:

SOHCAHTOA

Cos- adjacent/hypotenuse

adjacent side: 3

hypotenuse: 5

adj/hyp: 3/5

Please help me with this brainly

Answers

it's C because the floor area is 120 square feet and the walls are 8 feet so if you multiply 120 × 8 you get 960.

x and y are two non-zero real numbers such that: x²-y²=15 and x+y=3√5. then x-y=
A. √15
B. √5
C. -3√5​

Answers

Answer:

[tex](x-y)=\sqrt{5}[/tex]

Step-by-step explanation:

[tex]We\ are\ given\ that:\\x^2-y^2=15\\x+y=3 \sqrt{5}\\Now,\\We\ know\ that,\\If\ x\ and\ y\ are\ two\ real\ numbers,\\Then:\\(x+y)(x-y)=x^2-y^2\\Here,\\Substituting\ (x+y)=3\sqrt{5}\ in\ the\ LHS\ and\ (x^2-y^2)=15\ in\ the\ RHS,\\(x+y)(x-y)=x^2-y^2\\3\sqrt{5} (x-y)= 15\\Hence,\\(x-y)=\frac{15}{3\sqrt{5} } \\(x-y)=\frac{5*3}{3\sqrt{5} }\\(x-y)=\frac{5}{\sqrt{5} } [Cancelling\ 3\ from\ the\ numerator\ and\ denominator]\\(x-y)=\frac{\sqrt{5}*\sqrt{5} }{\sqrt{5} }\\(x-y)=\sqrt{5}[/tex]

what is the least common denominator of the rational expressions below? 1/x^2-4/3x^2+15

Answers

Answer:

3x^2(x+5)

Step-by-step explanation:

Kate is going to purchase a coat for $38, pants for $45, and 2 pairs of shoes for $34 each. If she has $180 to spend, how much will she have left over after she buys everything she wants?

Answers

Answer:

151

Step-by-step explanation:

38+45+2(34)=151

Which of the following is the equation of a line that has a slope of 5 passes through the point (-3, 7)?

Answers

Answer:

y - 7 = m(x + 3)

Step-by-step explanation:

Apply the point-slope formula:  y - k = m(x - h)

Then we have y - 7 = m(x + 3)

Find the y intercept of the following equation. simplify your answer.​

Answers

Answer:

b, the y-intercept, is 1

Step-by-step explanation:

Compare the given y = 4x + 1 to

                                y = mx + b

We see immediately that b, the y-intercept, is 1.

HELP ASAP!!!!! PLEASE

Answers

Answer: imma say A

Step-by-step explanation: sorry if wrong

PLS HELP ILL GIVE BRAINLIEST AND EVERYTHING ELSEE

Which model is equivalent to 4(2x +4)?

Answers

Answer:

option 4 should be the correct answer

Daniel works for 3 hours one day he gets paid $6 an hour.​

Answers

he’d get $18 dollars for working 3 hours

Can anyone give me the awnser?​

Answers

Answer:

Step-by-step explanation:

You want to reverse the algebra and solve for y. First you want to subtract the 'a' to both sides.

x - a = -2by^2

Divide by -1 on both sides

-x + a = 2by^2

Divide by 2b on both sides

(-x + a)/2b = y^2

Take the square root of both sides

[tex]\sqrt{(-x+a)/2b}=y[/tex]

How is the solution of 2y=8 related to the solutions of 2y < 8

Answers

Answer:y=4 and the bottom is boundary point

Step-by-step explanation:

Answer:

y=4 and the bottom is boundary point

Step-by-step explanation:

The black triangles are similar. Find the value of x.
27
X
16
18

Answers

Answer:

x=24

Step-by-step explanation:

tell me if you want the steps

Answer:

x=24

Step-by-step explanation:

Which of the following statements are true about inverse matrices?

All square matrices have inverses.

If A and B are inverse matrices, then A and B must be square matrices.

The determinant of a singular matrix is equal to zero.

If A and B are inverse matrices, then A + B = I.

If A and B are inverse matrices, then det(A)xde(B)=0

Any zero matrix does not have an inverse.

If B = A–1, then A = B–1.​

Answers

B = A–1, then A = B–1.​ This statement is true. The inverse of a matrix is unique, so if B is the inverse of A, then A must be the inverse of B.

what is matrix ?

An arrangement of integers in both columns and rows is known as a matrix. learns about matrices' components and dimensions and first presents them. A matrix is a rectangular grid with integers arranged in rows and columns.

The statements that are true about inverse matrices are:

Not all square matrices have inverses. A square matrix only has an inverse if its determinant is not equal to zero. If the determinant of a square matrix is zero, it is called a singular matrix and does not have an inverse.

If A and B are inverse matrices, then A and B must be square matrices. This is because only square matrices can have inverses.

The determinant of a singular matrix is equal to zero. This is because the determinant of a matrix is related to the linear independence of its columns or rows. A singular matrix has linearly dependent columns or rows, which means its determinant is zero.

If A and B are inverse matrices, then A + B = I. This is not necessarily true. In general, the sum of two inverse matrices is not necessarily the identity matrix.

If A and B are inverse matrices, then det(A) x det(B) = 1. This statement is almost true, but the correct statement is det(A) x det(B) = det(AB) = 1.

Any zero matrix does not have an inverse. This is because the determinant of a zero matrix is zero, and therefore it is singular and does not have an inverse.

If B = A–1, then A = B–1.​ This statement is true. The inverse of a matrix is unique, so if B is the inverse of A, then A must be the inverse of B.

To know more about matrix visit:

https://brainly.com/question/29995229

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Answer: B,C,E,F,G

Step-by-step explanation:

Find the perimeter and area of this shape

Answers

[tex] \boxed{ \sf{Area \: = 57 \: {cm}^{2} }}[/tex]

[tex] \boxed{ \sf{Perimeter = 34 \: cm}}[/tex]

See workings in the attached picture !

Hope I helped ! ツ

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Find the length of side BC.
Give your answer to 3 significant figures.

Answers

Answer:

BC ≈ 19.4 cm

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos71° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{6.3}{BC}[/tex] ( multiply both sides by BC )

BC × cos71° = 6.3 ( divide both sides by cos71° )

BC = [tex]\frac{6.3}{cos71}[/tex] ≈ 19.4 cm ( to 3 significant figures )

Find 18.5% of 500- I couldn’t seem to figure this one out for some reason I dunno

Answers

Answer:

92.5

Step-by-step explanation:

18.5

[tex] \frac{18.5}{100} \times 500 \\ \\ [/tex]

100 times 5 is 500

so 100 is cancelled and 500 becomes 5

therefore 18.5 times 5 is equal to 92.5

Answer:

92 1/2   or   92.5

Step-by-step explanation:

how to solve?

Put it into a percent proportion :D!

Percent proportion is is/of=%/100 or a/w=p/100

The a stands for "part"

and the w stands for "whole"

p stands for "percent"

Is/of=%/100 will help you figure it out if it's in a mathmatical sentence.

Since they did NOT give you what the "is" is, you put the variable "a"

a/   =

Next,

Since it said "of"

You put of underneath the unknown number "is" (a)

a/500=

Now put in the percent

a/500=18.5/100

Now cross multiply!

Then you should get 92.5!

HOPE THIS HELPS :DDD

I had 13 dollars. My mom gave me 10 dollars. My dad gave me 30 dollars. My Aunt, My Uncle, and Grandma gave me 100 dollars. I had another 7 dollars. How much did I have?

Answers

13+10+30+100+7=160 dollars

Answer:

370

13+10+30+100+100+100+7=370

A housing developer wants to create 45 house lots for every 10 acres of land. All the house lots will be the
same size and shape. Which of these is closest to the amount of land required to create 105 house lots?



A. 11 acres

B. 25 acres

C. 42 acres

D. 63 acres

Answers

Answer:

25 acres

Step-by-step explanation:

25 acres  hope this helps

Answer: B.25 acres because:

105/45=2.3
2.3 x 10= 23
23 is the closest to 25

What is the perimeter of a square with a length of 19 meters?

Answers

The answer is b 38cm

Answer:

76 m

Step-by-step explanation:

If each side has a length of 19 m, then the perimeter is 19m*4 = 76 m

If u had 693 cats and 593 died

Answers

Answer:

you would have 100 cats left

Help me please thanks

Answers

Answer: P = 79 feet

Step-by-step explanation:

V = (l)(w)(h)

171,114 = (57)(38)(p)

171,114 = 2,166p —> multiply

79 = p —> divide both sides by 2,166


A full glass of water can hold 1/6 of a bottle.
How many glasses of water can be filled with 3 1/2. bottles of water?

Answers

Answer:

21 glasses

Step-by-step explanation:

6 glasses in a bottle

3 x 6 = 18

3 glasses in half a bottle

18 + 3 = 21

Answer:

21 glasses

Step-by-step explanation:

let 'g' = glasses of water

create a proportion, glasses over bottles equals glasses over bottles

1 = g

1/6   7/2

cross-multiply:  1/6g = 7/2

cross-multiply:  2g = 42

g = 21

solve the inequality for x: -2x - 2 - 3
D) x > - 5

Answers

Answer:

Step-by-step explanation:

lets solve the inequality by adding like terms

-2x-5>0 ?

-2x>5

x>-5/2

A circle has a radius of 4in what is the area of the circle?​

Answers

Answer:

A≈50.27in²

Step-by-step explanation:

A=πr2=π·42≈50.26548in²

I hope it's help

Answer:

50.24

Step-by-step explanation: 1

C = 4 inches

4 in x 2 = 8

8 x 3.14 = 25.12

Step-by-step explanation: 2

C = 2 x 8 = 16

16 x 3.14 = 50.24

           ~Hope this helps!

      ~Hocus Pocus

Adult tickets for the school musical are sold for $3.50 and student tickets are sold for $2.50 on a given night 425 tickets were sold for $ 1237.50. Wrote a system of linear equations for the problem

Answers

Answer:

3.5x + 2.50y = 1237.50

425 = x + y

Step-by-step explanation:

number of adult tickets: x

number of student tickets: y

3.5x + 2.50y = 1237.50

( value of adult ticket [3.50]* number of adult tickets [x]) + (value of student ticket [2.50] * number of student tickets [y]) = total value (1237.50)

425 = x + y

(number of adult tickets [x]) + (number of student tickets [y]) = total (425)

Mrs. Pints wrote the volume formula as
“V=Bh”. What does ”B“ represents

Answers

Answer B stands For Base and h stands for Height


[tex]4 \frac{1}{9} + 1 \frac{1}{2} [/tex]
[tex]4 \frac{1}{2} \div \frac{3}{5} [/tex]
need help please​

Answers

Step-by-step explanation:

[tex] \tt{ 1. \: \: 4 \frac{1}{9} + 1 \frac{1}{2}}[/tex]

⇢ [tex] \tt{ \frac{37}{9} + \frac{3}{2} }[/tex]

⇢ [tex] \tt{ \frac{37 \times 2 + 3 \times 9}{18} }[/tex]

⇢ [tex] \tt{ \frac{74 + 27}{18} }[/tex]

⇢ [tex] \tt{ \frac{101}{18}} [/tex]

⇢ [tex] \boxed{ \tt{5 \frac{11}{18}} }[/tex]

---------------------------------------------------------

[tex] \tt{ \: 2. \: \: 4 \frac{1}{2} \div \frac{3}{5}}[/tex]

⇢ [tex] \tt{ \frac{9}{2} \times \frac{5}{3}} [/tex]

⇢ [tex] \tt{ \frac{9 \times 5}{2 \times 3}} [/tex]

⇢ [tex] \tt{ \frac{45}{6}} [/tex]

⇢ [tex] \boxed{ \tt{7 \frac{3}{6}} }[/tex]

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