3 years ago

17−{2+2[−1(7−10)]2} please help its due today!

Mathematics

1 answer:

elena-14-01-66 [18.8K]3 years ago

8 0

Answer:

mnn

Step-by-step explanation:

nnnnnnnnnnnn

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If 2/x=-4/x+6, what is x/2

nevsk [136]

Answer:

x = 1

Step-by-step explanation:

2/x = -4/x +6

2/x+4/x = 6

6/x =6

x =1

8 0

3 years ago

Alexis put $2000 in a savings account. After 4 years, she had $2543 in the account. What rate of interest did she earn? Use the

natta225 [31]

Alrighty

P=2000
A=2543
t=4

$A=Pe^{rt}$
$2543=2000e^{4r}$
solve

$2543=2000e^{4r}$

divide both sides by 2000

$\frac{2543}{2000}=e^{4r}$

take ln of both sides

$ln(\frac{2543}{2000})=ln(e^{4r})$

$ln(\frac{2543}{2000})=(4r)ln(e)$

$ln(\frac{2543}{2000})=(4r)(1)$

$ln(\frac{2543}{2000})=4r$

divide both sides by 4

$\frac{ln(\frac{2543}{2000})}{4}=r$

use your calculator

0.060049=r
convert to percent
that is about 6%

the interest rate is 6%

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4 years ago

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How many girls are in a group that has 16 boys? Complete the ratio table to solve the problem.

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Since there are zero girls there are a number of options say 1:0 is an option,2:0 is an option here are the rest. 8:0 4:0 16:0. Hope this helped.

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