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lana [24]
2 years ago
11

PLZ HELP I WILL GIVE BRIANLY!

Mathematics
1 answer:
kumpel [21]2 years ago
8 0

Answer:36

Step-by-step explanation:

\frac{4}{7} =\frac{48\\}{84}

for every 7 students there are 4 girls, so for every 84 there must be 48

7*12=84

4*12=48

so, in all 84 students there are 48 girls

so amount of boys=84-48=36

there are 36 boys

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Clare subscribes to an online music streaming service
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Answer:

She should go with service 2 because it is, cheaper. Service 1 cost $107.52, but service 2 cost only $105.

Step-by-step explanation:

Cost now+increase$=new cost

(Part=percent*whole)

Increase=percent increase*cost now

i=12%*$96

i=0.12*96=$11.52

$96+11.52=107.52

Service two⬇️

8.72*12=$105

5 0
2 years ago
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4 pairs of pants for 22.60. what is the unit rate?​
Alona [7]

Answer:

$5.65

Step-by-step explanation:

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8 0
2 years ago
25) Margie needs to borrow $9,000 from a local bank. The
azamat

Answer:

B) $3060.00

Step-by-step explanation:

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I think that it will take Margie 4 years to pay back the bank. And the interest rate that the bank charges is 8.5% per month.

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7 0
3 years ago
Please help me with this ​
e-lub [12.9K]

Answer:

7. 5 \frac{5}{8} pizza

8. B

9. 11 \frac{1}{5} inches

10. -12

11. \frac{3}{20}

12. 4

Step-by-step explanation:

7. 3 \frac{1}{2} \\ + 2 \frac{1}{8}

make them mixed fractions: \frac{7}{2} + \frac{17}{8}

get a common denominator by multiplying \frac{7}{2} by 4: \frac{28}{8} + \frac{17}{8}

add the numerators: \frac{45}{8}

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divide 8 by 5: 1 \frac{3}{5}

multiply 7 by 1 \frac{3}{5}: 11 \frac{1}{5}

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subtract 5 from each side: -2x = 24

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12. the y-intercept is where the line crosses the y-axis (the vertical one). the line crosses the y-axis at 4.

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3 years ago
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