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3 years ago

Please help. I only have 20 minutes to answer

Mathematics

2 answers:

Readme [11.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

C = 8

a = 4

8/4 = 2

Effectus [21]3 years ago

4 0

Answer:

Step-by-step explanation:

Hey There!

If c = 8 and a=4 then you would have

$\frac{8}{4}$ which is equivalent to 2

so your answer is 2

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Find percent of change. $210 to $35

Tom [10]

Answer:

83%

Step-by-step explanation:

you take 210 - 35 over 210 which is 170 over 210 divide and you get rounded about .83 that as a percent is 83%

7 0

4 years ago

Can u pls help me with this

BabaBlast [244]

Answer:

Problem 1:

x=12, x=3, x=6

Problem 2:

18*3=54

54/18=3

Problem 3:

Part A: 36/4.5=? 4.5*x=36

Part B: 8

Step-by-step explanation:

7 0

3 years ago

2x10^-4 - 1x10^-5 show work. I got an answer of 1.9x10^-4,

oksian1 [2.3K]

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------$

$\bf 2\times 10^{-4}-1\times 10^{-5}\implies 2\cdot \cfrac{1}{10^4}-1\cdot \cfrac{1}{10^5}\impliedby 
\begin{array}{llll}
\textit{using the LCD}\\
of~10^5
\end{array}
\\\\\\
\cfrac{2}{10^4}-\cfrac{1}{10^5}\implies \cfrac{(10\cdot 2)~-~(1\cdot 1)}{10^5}\implies \cfrac{20-1}{10^5}\implies \cfrac{19}{10^5}
\\\\\\
19\cdot \cfrac{1}{10^5}\implies 19\times 10^{-5}$

8 0

3 years ago

Read 2 more answers

Sonia had $37 in her checking account. She then spent $52 on school supplies. What is the current balance of her checking accoun

stiv31 [10]

Answer:

-15

Step-by-step explanation:

37-52

4 0

3 years ago

Read 2 more answers