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qwelly [4]
3 years ago
15

marty saves $1 the first day of a month, $2 the second day, $4 the third day. he continues to double his savings each day. find

the amount that he will save by the 15th day. How do I solve this?
Mathematics
2 answers:
kvv77 [185]3 years ago
6 0
It seems you double the amount each day. keep doing that until you get to 15
Alex_Xolod [135]3 years ago
6 0
Simple... !,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384. He would have saved $16,384 by day 15. Just double each number as you go. Hope this helps!!


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Let x be a positive integer. If (-3)ºx (-3)* = (-3)14,<br> what is x?
Nezavi [6.7K]

Answer:

-3^{\circ \:}x\left(-3\right)=\left(-3\right)\cdot \:14 : x = \frac{840}{180^{\circ \:}}

Decimal Form:

x = -267.38030...

Step-by-step explanation:

-3^{\circ \:}x\left(-3\right)=\left(-3\right)\cdot \:14

Remove Parentheses: (-a) = -a

-3^{\circ \:}x\left(-3\right)=-3\cdot \:14

Multiply the numbers: 3 * 14  = 42

-3^{\circ \:}x\left(-3\right)=-42

Divide both sides by: -3^{\circ \:}\left(-3\right)

\frac{-3^{\circ \:}x\left(-3\right)}{-3^{\circ \:}\left(-3\right)}=\frac{-42}{-3^{\circ \:}\left(-3\right)}

Simplify:

x=-\frac{840}{180^{\circ \:}}

Hope I helped. If so, may I get brainliest and a thanks?

Thank you, have a good day! =)

3 0
3 years ago
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5 0
4 years ago
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