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Kay [80]
3 years ago
11

Does anyone know how to do this? will give brainiest

Mathematics
1 answer:
lyudmila [28]3 years ago
5 0

Answer:

x = 22, and im rlly sry, i dont know how to solve for y...im sry...

Step-by-step explanation:

180 - 55 = 125 degrees

so

6x - 7 = 125

<u>      +7     +7</u>

6x = 132

divide by 6

<u>x = 22</u>

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94

(85+89+92+x)/4 = 90

(266+x)/4 = 90
(Multiply by 4 on each side to get rid of it)

266+x=360
(subtract 266 from each side)

x = 94


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4 years ago
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8 0
4 years ago
Please help!! With step by step
Sever21 [200]

Answer:

R=\$145.12

Step-by-step explanation:

<u>Compound Interest</u>

This is a well-know problem were we want to calculate the regular payment R needed to pay a principal P in n periods with a known rate of interest i.

The present value PV or the principal can be calculated with

P=F_a\cdot R

Solving for R

\displaystyle R=\frac{P}{F_a}

Where Fa is computed by

\displaystyle F_a=\frac{1-(1+i)^{-n}}{i}

We'll use the provided values but we need to convert them first to monthly payments

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\displaystyle F_a=\frac{1-(1+0.00583)^{-36}}{0.00583}

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\boxed{R=\$145.12}

4 0
3 years ago
A pair of shoes that normally costs $75 is on sale for $55. What is the percent decrease in the price, to the
tia_tia [17]

Answer:

BI=27%

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x(the precentage of 55 from 75)

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