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2 years ago

(07.02 MC)

Mathematics

2 answers:

lyudmila [28]2 years ago

6 0

Answer:

The correct answer choice is Step1; 15x -20; Step 2: 15=21

Step-by-step explanation:

you have to distribute then subtract

zvonat [6]2 years ago

4 0

Answer
Step 1 the first one is the answer

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Which of the following is the solution to the inequality below ? -6/5(4-x)<_-4(X+1/2)

LuckyWell [14K]

Answer:

The answer is the option D

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Step-by-step explanation:

we have

$-\frac{6}{5}(4-x)\leq -4(x+\frac{1}{2})$

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2 years ago

A square has a side length of 5 and 1/4 inches what is the area of a square

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2 years ago

Aleena expands 2xx+3-5(x-2) as 2x2+3-5x-10. Has she expanded it correctly? Please identify the mistakes and write the correct wa

Nimfa-mama [501]

The given expression is :

2xx+3-5(x-2)

We know that, $x{\cdot}x=x^2$

$=2x^2+3-5(x-2)\\\\=2x^2+3+(-5)(x)+(-5)(-2)\\\\=2x^2+3-5x+10$

Aleena expands 2xx+3-5(x-2) as 2x²+3-5x-10. She is mistaken because the sign before 10 should be +10 instead of -10. Hence, the correct expanded form is 2x²+3-5x+10. Hence, this is the required solution.

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2 years ago