2 years ago

7. When someone purchases a new car and begins to drive it, the mileage (meaning the number of miles the car has

Mathematics

1 answer:

galben [10]2 years ago

4 0

Answer:

5 to the 2cube

Step-by-step explanation:

5x5 you take 5 and multiply 5 to get your answer

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X + y = -1<br> 4x - 2y = -16

djyliett [7]

Answer:

$x=-3 \\and\\ y=2$

Step-by-step explanation:

$x + y = -1$ Equation:1

$4x - 2y = -16$ Equation:2

Solving Equation:1

$x+y=-1$

Subtracting 'y' from both the sides:

$x+y-y=-1-y\\\\x=-1-y$

Putting 'x' in Equation :2

$4(-1-y)-2y=-16\\\\-4-4y-2y=-16\\\\-4-6y=-16$

Adding '4' both the sides

$-6y=-16+4\\\\-6y=-12\\\\y=-12/-6\\\\y=2$

Putting the value of 'y' in equation:1

$x+y=-1$

$x+(2)=-1\\\\x=-1-2\\\\x=-3\\$

The solution is:

$x=-3 \\and\\ y=2$

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2 years ago

Dividing mixed numbers

Mars2501 [29]

$\frac{9}{14}$

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The area of a square garden is 1/49 km ^2. How long is each side?

babunello [35]

1/49=x^2 where x is the side of the square

1/49=(1/7)^2, so the side length of the square is 1/7

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2 years ago

Which statement is true?

Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

A. 39 = 3 × 13; not prime

B. 33 = 3 × 11; not prime

C. 43 = 1 × 43; prime

D. 51 = 3 × 17; not prime

Answer: C.

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Write an expression<br> for: "the quotient of<br> a number and 7<br> increased by 10"

yarga [219]

Answer:

(n / 7) + 10 = x

Step-by-step explanation:

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