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hichkok12 [17]
3 years ago
5

Svp aidez moi )

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

Dans 3 ans  l’âge du père sera le triple de celui de sa fille

Step-by-step explanation:

X= années qui doivent passer

3(12+X ) = 42 +X

36+ 3X = 42 +X

2X = 6

X = 3

La fille   15 ans

Le  père 45 ans   (15x3=45)

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Write an expression to match the statement below Add 5 to 48 divided by 12
Sergeeva-Olga [200]

Answer:

49

Step-by-step explanation:

48+ 5 = 53 divided by = 49

8 0
3 years ago
7.
Illusion [34]

Answer:

PB = 1.8

Step-by-step explanation:

PQ = 8 cm, BC = 10 cm and AB = 9 cm

∆ABC is similar to ∆APQ.

Therefore:

\frac{AB}{AP} = \frac{BC}{PQ}

Plug in the values

\frac{9}{AP} = \frac{10}{8}

Cross multiply

AP × 10 = 8 × 9

AP × 10 = 72

Divide both sides by 10

AP = 7.2

PB = AB - AP

PB = 9 - 7.2

PB = 1.8

5 0
3 years ago
Help jdjhsjdndksjsjndjsdj
Anastasy [175]
8. The answer is B because there are 12 inches in a foot. So, 9 x 12 = 108 but you need to add 3. So 111 will be the answer.

9. The answer is A. 1,311/23 = 57, you could use basic division for this.
4 0
4 years ago
Mary has scored 78 , 60 , 82 , 94 , and 88 on her previous five tests . What score does she need on her next test so that her av
Komok [63]

Answer:

She needs to score 78 on her next test

Step-by-step explanation:

\frac{78+60+82+94+88+x}{6}=80

Collect like terms;

\frac{402+x}{6}=80

Multiply both sides by 6;

402 + x = 480

Subtract 402 from both sides;

x = 78

5 0
3 years ago
The sum of twice a number and 4 is -22. Find the number
Wewaii [24]

Answer:

-13

Step-by-step explanation:

let the unknown number be x

2x + 4=-22

2x=-22-4

2x=-26

divide both sides by 2

x=-13

8 0
3 years ago
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