2 years ago

Pls pls pls pls help

Mathematics

1 answer:

Nady [450]2 years ago

7 0

I think the answer is 2

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Select the correct answer, and simplify the expression -3÷(-2/5). A. -7 1/2

aliina [53]

Answer:

Step-by-step explanation:

Given

- 3 ÷ - $\frac{2}{5}$

Leave the first number, change division to multiplication and turn the fraction upside down, that is

= - 3 × - $\frac{5}{2}$

= $\frac{3(5)}{2}$

= $\frac{15}{2}$

= 7 $\frac{1}{2}$ → D

3 0

3 years ago

I need to know what the answer is!?

ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

Use PEMDAS

First simplify the exponent (9)

Next multiply 5 and 3 (15)

Now add 15 and 15 (30)

Add 9 and 6 (15)

Lastly simply 30 by 15 (2)

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3 years ago

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Nadusha1986 [10]

Answer:

Multiply four by four since each dollar is composed of four quarters.

Step-by-step explanation:

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3 years ago

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Write the equation of the line that passes through the point (-4, -9) and has a slope of 1/2

Cerrena [4.2K]

Y = 1/2x + b
Plug in the point :)
-9 = 1/2(-4) + b
-9 = -2 + b
b = -7
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2 years ago

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How many solutions do you think the equation -10x+3=5x-27 has? Explain. Then, find the solution(s).

deff fn [24]

This will only have one solution because it does not deal with a quadratic. Then to isolate x you need to get the similar terms on different sides by subtracting or adding, Then divide both sides by the number next to x (coefficient).

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