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3 years ago

to isolate the variable you must use BLANK to estimate constants and coefficients. need it asap thanks !

Mathematics

1 answer:

Mice21 [21]3 years ago

5 0

Answer: where’s the equation?

Step-by-step explanation:

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Use the net to determine the total surface area

disa [49]

Answer:

I THINK! 420 cm^2

Step-by-step explanation:

ok i don't really feel like explaining why rn cuz i'm doing something, but if you want to know way just tell me and i'll explain. Also I took this lesson last week I'm in 7th grade k12 and my teacher today explained it pretty well. So since I am not a pro I don't know if this will be right but tell me if it is thank you:)

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3 years ago

Addison earns a fixed hourly rate working as a sales clerk. If she works on a holiday, she earns a different hourly rate than sh

Ahat [919]

254 should be the answer ?

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3 years ago

What is 5 times 1? I learned this a long time ago but I forgot.

mr_godi [17]

ANSWER:

STEP-BY-STEP EXPLANATION:

The operation is a multiplication, which is expressed as follows:

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1 year ago

If 3 computer disks and 5 notebooks cost $7.50 and 4 computer disks and 2 notebooks cost $6.50, how much does 1 computer disk co

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$2.50 f ft hh oh ghghvgbhhjj

8 0

3 years ago

Which number should each side of the equation 4/5x=8 be multiplied by to produce he equivalent equation of x=10?

gulaghasi [49]

<< Add $.\frac{-4}{5}$ to the left and right of the equation, multiple and make ''opposite multiplation'' to find x.

A) $\frac{4}{5x}. \frac{-4}{5} = 8. \frac{-4}{5} 
$
$\frac{16}{25x} = \frac{-32}{5}$
25x.(-32)= (-16).5
-800x= -80

**to leave x alone and positive, you must divide to -800.
$x= \frac{-80}{-800}$
$x= \frac{1}{10}$
= INCORRECT

B) $\frac{4}{5x} . \frac{1}{5} = 8. \frac{1}{5} 
$
$\frac{4}{25x} = \frac{8}{5}$
$25x.8= 4.5$
$200x=20
$
$x= \frac{20}{200} = \frac{1}{10}$

C) $\frac{4}{5x} . \frac{5}{4}= \frac{8.5}{4}$
$\frac{1}{x} = \frac{40}{4}$
$\frac{1}{x} =10$
10x=1
$x= \frac{1}{10}$

D) $\frac{4.5}{5x} = 8.5$
$\frac{4}{x} = 40$
40x= 4
x= $\frac{4}{40}$ = 1/10

I think there is a problem with the options :D

5 0

4 years ago