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Alja [10]
4 years ago
14

I dont understand this

Mathematics
1 answer:
AURORKA [14]4 years ago
6 0

Answer:

you have to add them all together to get the right answer.

Step-by-step explanation:

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I’m confused on how to set 2 and 3 up. Can you please help me?
givi [52]
2) if it refers to the gray shaded boxes out of all the boxes, then count them 5 rows × 5 columns = 5×5 = 25
The total is 10 rows × 10 columns = 10×10 = 100
Fraction: 25/100 ->> divide both by 25 = 1/4
Decimal: 0.25
Ratio: 25 grey boxes: (100-25) white boxes
= 25:75 ->> divide both by 25 = 1:3
Percent: means "out of 100" so we know it's 25 out of 100 = 25%

3) 27 is 75% of what??
let's make x = what we don't know
\frac{part}{whole}  =  \frac{percent}{100}  \\ \frac{27}{x}  =  \frac{75}{100}
Now cross-multiply: multiply top left with bottom right and make equal to the bottom left times the top right
27×100 = 75x
75x = 2700
75x/75 = 2700/75
x = 36
5 0
4 years ago
Helppp!!!! please!!!
lianna [129]

Answer:

HEY MATE YOUR ANSWER IS

1A

2C

3B

<h2>HOPE IT HELPS YOU </h2>
7 0
3 years ago
Read 2 more answers
Quick algebra 1 question for 50 points!
saul85 [17]

Answer:

b.  -x + y = 0

Step-by-step explanation:

<u />

<u>Direct variation</u>:

Direct variation means "y varies directly as x”:

y \propto x \implies y=kx

where k is the (non-zero) constant of variation.

To determine which of the given equations represents a direct variation, isolate y for each and compare with the <u>direct variation equation</u>.

<u>Equation a</u>

y=\dfrac{4}{3}x-2

This is not a direct variation equation as there is an addition of -2.

<u>Equation b</u>

-x+y=0

\implies y=x

This is a direct variation equation where the constant of variation is 1.

<u>Equation c</u>

xy=8

\implies y=\dfrac{8}{x}

This is not a direct variation equation as y is <u>inversely proportional</u> to x.

<u>Equation d</u>

y=14

This equation does not include the variable x, and so is therefore not a direct variation equation.

3 0
2 years ago
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What are strategies i can use to find the percent of one quantity to another quantity?
Sergeeva-Olga [200]
You put the number on top of 100 then multiply the other fraction
6 0
4 years ago
Just help with the question ignore everything below
timurjin [86]

Answer:$1.50 or a dollar and 50 cents

Step-by-step explanation:pls mark me brainliest

5 0
3 years ago
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