4×(2.1+3.9)-7)+6×(6.2-4.2)=

1 answer:

Helen [10]2 years ago

8 0

I am pretty sure it is 29 because i did the math and that is what it comes out to

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zubka84 [21]

3x-4 is the answer, you have to see that if its 3 times her nieces age it would be 3x and if its four less than that it is 3x-4

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2 years ago

Marta_Voda [28]

Step-by-step explanation:

when 11 is decreased by a number, the result is 413

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1 year ago

Wewaii [24]

Simplify 3 to 12 Divide 3 1 to 4 So the answer is 1 car accident in 4 month ~JZ Hope it helps you out there

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2 years ago

Dahasolnce [82]

Total marks in JEE = 400

Your marks = 70

Let your percent be x.

Then,

(x/100) × 400 = 70

=> x/100 = (70/400)

=> x/100 = 0.175

=> x = 0.175 × 100

=> x = 17.5

So, you got 17.5% marks.

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2 years ago

Ksenya-84 [330]

The answer is the 3rd option

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2 years ago