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notsponge [240]
2 years ago
9

Water and orange squash is mixed in the ratio 7 : 4 Find how much water is needed to dilute 120 cl of orange squash.

Mathematics
1 answer:
Lerok [7]2 years ago
6 0

Answer:

210

Step-by-step explanation:

Divide 120 by 4 and get 30 and multiply 7 by 30 and you get 210

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Answer:

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2 years ago
How do you make x+2y=6 a linear equation
madreJ [45]
Subtract X
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5 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST
Nutka1998 [239]

Answer:

a² + b² = 68

a3 + b3 = 520

Step-by-step explanation:

Given :

a + b = 10 (1)

ab = 16 (2)

A. Find a² + b²

(a + b)² = a² + 2ab + b² (3)

Substitutite the values of (1) and (2) into (3)

(10)² = a² + 2(16) + b²

100 = a² + 32 + b²

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100 - 32 = a² + b²

a² + b² = 68

B. a^3 + b^3

(a + b)^3 = a^3 + b^3 + 3ab(a + b)

(10)^3 = a^3 + b^3 + 3*16(10)

1000 = a^3 + b^3 + 480

a^3 + b^3 = 1000 - 480

a3 + b3 = 520

5 0
2 years ago
CHECK ANSWERS -
Tju [1.3M]
Both are correct.

Good job!
6 0
3 years ago
If Nancy needs 3/1/4 cups of oatmeal,how many 1/4 cups of oatmeal will she use
PIT_PIT [208]
The answer is 12 1/4. how I got my answer.

Their are 4 quarters to a whole, so that means all I have to do is multiply 4×3=12, then add 1/4+12= 12 1/4.

I hope this helps!
8 0
3 years ago
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