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3 years ago

PLEASE HELP ASAP!!!!!

Mathematics

1 answer:

Aleks [24]3 years ago

4 0

Answer:

$8.00 for the unit rate

it would cost $144.00 to buy 18 copies

Step-by-step explanation:

for the first one, multiply 40x20= $8.00

then multiply $8.00 by 18 copies and get $144.00!

Please mark brainliest!!!

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What is the value of -2 (7-15) over 4

Citrus2011 [14]

The answer to the question is: 4

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3 years ago

What is the surface area of the rectangular prism? lenth 16 with 4 and hight 4

Llana [10]

Answer:

272

Step-by-step explanation:

The formula is 2(LxW) + 2(LxH) + 2(WxH)

2(16 x 4) = 128

2(4 x 4) = 16

16 + 128 + 128 = 272

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3 years ago

PLEASE HELP!!!!!! 7TH GRADE MATH SO IT SHOULD BE EASY FOR SOME OF YALL. write the expression below as a product of two factors

Cloud [144]

Answer and Step-by-step explanation:

6(2x + 3y - 10) is the answer.

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5 0

2 years ago

Read 2 more answers

What is the equation of the line that is perpendicular to y, =, 1 over 3 x, 4. And contains the point negative 2, negative 5,?.

Anit [1.1K]

The equation of the line is, $\rm y = 3x + 1$ .

Given that,

The equation of the line is,

$\rm y = \dfrac{1}{3} x+4\\$

And contains the point (-2, -5).

We have to determine,

What is the equation of the line that is perpendicular to the given line?

According to the question,

The equation of the line is,

$\rm = \dfrac{1}{3}x + 4\\$

On comparing with the standard equation of the line y = mx +c.

The slope of the line $m_1$ is 1/3.

When two lines are perpendicular the relation between these slopes is,

$\rm m_1\times m_1 = {-1}\\\\\dfrac{-1}{3} \times m_2 = -1\\\\-1 \times m_2 = -1 \times 3\\\\-m_2 = -3\\\\m_2 = 3$

And line contains the point (-2, -5).

Then,

$\rm y = mx +c \\\\-5 = 3 (-2) + c\\\\-5 = -6+c \\\\c = 6-5 \\\\c = 1$

Therefore,

The equation of the line that is perpendicular to the given line and contains the point (-2, -5) is,

$\rm y = mx +c \\\\y = 3x +1$

Hence, The required equation of the line is, $\rm y = 3x + 1$ .

For more details refer to the link given below.

brainly.com/question/14388443

7 0

2 years ago

Hi there,

Mrrafil [7]

We have 7 people which result ----> 7 * 2 = 14 legs

Also, the table has 4 legs

The number of the big cats is 7 *7 =49 (big cats)

For every big cat we have ---> 49 * 4= 196 legs

For every big cat we have 7 small cats which means --> 49 * 7= 343 (small kittens)

The number of legs for small kittens is 343 * 4 = 1372 legs

The number of legs is:

14+4+196+1372= 1586 legs are in total

5 0

3 years ago

Read 2 more answers