CAN SOMEONE PLEASE ANSWER THIS ASAP FOR BRAINLIEST!

Mathematics

1 answer:

netineya [11]3 years ago

3 0

Answer:
14x^2(1+2x^3)

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Make n the subject of the formula

kogti [31]

Answer:

$\mathsf{ \frac{m + 21}{5} = n }$

Step-by-step explanation:

To make "n" the subject of the formula, rearrange the formula so it begins with " n = "

To isolate the variable "n", you need to inverse the other terms on that side of the equation where "n" really is.

=> m = 5n - 21

there's a "-21" next to "5n", inverse of subtraction is addition, so add 21 on both sides of the equation.

=> m + 21 = 5n - 21 + 21

=> m+ 21 = 5n

There's also a 5 attached to n, that means the multiplication of n with 5, the inverse of multiplication is division, so dividing both sides of the equation by 5

$\mathsf{ \frac{m + 21}{5} = n }$

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3 years ago

a baseball and a bat cost $1.10 and if this bat costs .10 cents more than the ball. how much did the ball cost?

kari74 [83]

Define x:
Let the cost of the ball be x.
Ball = x
Bat = x + 0.1

The total cost is $1.10:
x + x + 0.1 = 1.1
2x + 0.1 = 1.1
2x = 1
x = 0.5

Find the cost of the bat and the ball:
ball = x = $0.50
bat = x + 0.1 = 0.5 + 0.1 = $0.60

Answer: The ball cost $0.50

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Gelneren [198K]

The number 144 is rational because it can be expressed by 144/1

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True, because:

4*7=28

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