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bearhunter [10]
3 years ago
14

For every 1 girl in Mr Hegarty's class there are 4 boys. What is the ratio of boys to girls in the class? Give your answer in it

s simplest form.
Mathematics
2 answers:
Elza [17]3 years ago
6 0
Answer to this is 1:4
MakcuM [25]3 years ago
3 0

Answer:

4:!

Step-by-step explanation:

4:1 because their are 4 boys for every 1 girl

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Mingfa says, "My sister and I have $130 altogether. If my mother gives me another
quester [9]

Given:

Total amount of Mingfa and her sister = $130

If Mingfa amount increased by $10, then the new amount is equal to three times of as much money as her sister.

To find:

How much money does Mingfa actually have?​

Solution:

Let, Mingfa have $x and her sister has $y initially. Then,

x+y=130                ...(i)

If Mingfa amount increased by $10, then the new amount is equal to three times of as much money as her sister.

x+10=3y              ...(ii)

Substitute the value of x from (ii) in (i).

(3y-10)+y=130

4y=130+10

4y=140

Divide both sides by 4.

y=35

Putting y=35 in (i), we get

x+35=130

x=130-35

x=95

Therefore, Mingfa have $95.

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2 years ago
Tell whether the triangles are similar.Explain.
Burka [1]

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Step-by-step explanation:

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Does - 3/4 + 3/5 have a positive, negative or zero sum?
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3 years ago
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A prince picked a basketful of golden apples in the enchanted orchard. On his way home, he was stopped by a troll who guarded. T
Lelu [443]

Answer:

Let x = total number of apples picked by the prince

x=44

Step-by-step explanation:

1st troll payment

x-(0.5x+2)

x-0.5x-2

0.5x-2 (that is the amount of apples left after 1st troll payment)

2nd troll payment

(0.5x-2)-(0.5(0.5x-2)+2)

Simplifying,

(0.5x-2)-(0.25x-1+2)

(0.5x-2)-(0.25x+1)

0.5x-2-0.25x-1

0.25x-3 (apples remaining after 2nd troll payment)

3rd troll payment

(0.25x-3)-(0.5(0.25x-3)+2)=2

(0.25x-3)-(0.125x-1.5+2)=2

(0.25x-3)-(0.125x+0.5)=2

0.25x-3- 0.125x-0.5=2

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0.125x=5.5

x=5.5/0.125 (divide both sides by 0.125)

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3 0
3 years ago
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