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2 years ago

11

I struggled with these as u can see, but pls answer all 3 questions and show how you set all the problems up (ill be giving brai

nliest)

2 answers:

olga55 [171]2 years ago

8 0

Answer:

1+1-2 its 2

Step-by-step explanation:

anygoal [31]2 years ago

7 0

4 because you need to know it’s 345

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motikmotik

Answer:

9x - 8

Step-by-step explanation:

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3 years ago

A pack of pencils, p, costs $1.99. A school buys $129.35 worth of pencils.

rosijanka [135]

Answer:

p=65. the value of p is the amount of pencils packs.

Step-by-step explanation:

1.99p=129.35

129.35/1.99=65

6 0

2 years ago

I need this done:'( please

NISA [10]

Hey! When you ask a question there is a math equation option. Use that to scan the problem and it will give you your answer.

3 0

2 years ago

Please help with this

a_sh-v [17]

I thinks is A or B if not I’m sorry

5 0

3 years ago

Read 2 more answers

Select the equivalent expression. <br><br> A, B or C?

Alina [70]

Answer:

A

Step-by-step explanation:

The relevant rules of exponents are ...

(a^b)^c = a^(bc)

a^-b = 1/a^b

__

$\left(\dfrac{2^{-10}}{4^2}\right)^7=\dfrac{2^{(-10)(7)}}{4^{(2)(7)}}=\dfrac{2^{-70}}{4^{14}}\\\\=\boxed{\dfrac{1}{2^{70}\cdot 4^{14}}}$

6 0

3 years ago