2 years ago

Please help will mark brainlyist if right

Mathematics

1 answer:

Drupady [299]2 years ago

6 0

Use your brain. This should work.

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A store sold 50 copies of a magazine for $150. Each copy of the magazine costs the same. Which equation and set of ordered pairs

snow_tiger [21]

It is 3 copies per magazine

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3 years ago

If 2x -3(x+4)=-5, Then x=

kherson [118]

The answer is -7

2x-3(x+4)=-5

Multiply by -3

2x-3x-12=-5

Collect like terms

-x-12=-5

Move constant to the right to change its sign

-x=-5+12

Add

-x=7

Change the signs

x=-7

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2 years ago

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My teacher needs an estimate, may someone help me?

castortr0y [4]

Answer; 8.75
Explanation;
Hope this helps

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2 years ago

What dose an expression n+3 represent

babunello [35]

The expression (n+3) represents the measure of an exterior angle of a regular octadecagonal.

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3 years ago

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Find the distance between the points L(7,-1) and M(-2, 4).

zysi [14]

Answer:

The answer is

$\sqrt{106} \: \: \: or \: \: \: 10.3 \: \: \: \: units$

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

L(7,-1) and M(-2, 4)

The distance between them is

$|LM| = \sqrt{ ({7 + 2})^{2} + ( { - 1 - 4})^{2} } \\ = \sqrt{ {9}^{2} + ({ - 5})^{2} } \\ = \sqrt{81 + 25} \\ = \sqrt{106} \: \: \: \: \: \: \: \\ = 10.29563014...$

We have the final answer as

$\sqrt{106} \: \: \: or \: \: \: 10.3 \: \: \: \: units$

Hope this helps you

4 0

2 years ago