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3 years ago

A pair of shoes that normally sells for $85.00 goes on sale for 35% off.

Mathematics

1 answer:

bagirrra123 [75]3 years ago

4 0

Answer:

C: Melanie is correct.

Step-by-step explanation:

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2x+3 less than or equal to 5

rjkz [21]

$2x+3 \leq 5 \\ \\ (2x+3)-3 \leq (5)-3 \\ \\ 2x \leq 2 \\ \\ \frac{2x}{2} \leq \frac{2}{2} \\ \\ x \leq 1 \\ \\x=( -\infty} ,1]$

6 0

3 years ago

Read 2 more answers

Which of the following is equivalent to x^-1/2 1) -1/2x 2) -√x 3) 1/√x 4) -1/2x

irina [24]

Answer:

Option (3) is correct.

Step-by-step explanation:

We need to find the expression that is equivalent to $x^{-1/2}$ .

The property is : $x^{-a}=\dfrac{1}{x^a}$

Here, a = 1/2

So,

$x^{-1/2}=\dfrac{1}{x^{1/2}}$

We know that, $x^{1/2}=\sqrt{x}$

$\dfrac{1}{x^{1/2}}=\dfrac{1}{\sqrt{x} }$

So, $x^{-1/2}$ is equivalent to $\dfrac{1}{\sqrt{x} }$

Hence, the correct option is (3).

3 0

3 years ago

What is the factored form of that question

olya-2409 [2.1K]

Answer:

idk but ask your teacher

Step-by-step explanation:

4 0

3 years ago

I need help with this question!!

amm1812

Sorry what question? I don’t see anything so I can’t help.

5 0

2 years ago

Find the height of a triangle with an area of 42 square inches and base of 7 inches. Use the formula for the area of a triangle

disa [49]

A= 1/2bh

fill in formula with known numbers

42= 1/2(7)h
multiply numerators on right side

42= (1*7)/2h

42= 7/2h
divide both sides by 7/2

42 ÷ 7/2= h
to divide fractions, multiply by reciprocal/inverse of 7/2

42 * 2/7= h
multiply numerators

(42 * 2)/7= h

84/7= h

12 inches= h

ANSWER: The height is 12 inches.

Hope this helps! :)

7 0

3 years ago

Read 2 more answers