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4 years ago

10

0.142857143 as a fraction simplified

1 answer:

marishachu [46]4 years ago

6 0

0.142857143 as a fraction equal

142857143/1000000000

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Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping? x2(4x + 1) – 2(4x + 1) x2(4x – 1) + 2(4x – 1) 4x2

Airida [17]

Looking at <span>4x3 + x2 – 8x – 2, I see immediately that x^2 can be factored out of the first 2 terms => 4x^2(x+1)
and -2 out of the last 2 terms => -2(4x+1).

Notice how the factor (4x+1) shows up twice.

We can factor this (4x+1) out, obtaining (x^2 - 2) (4x+1). These are the desired factors, found "by grouping."

</span>

4 0

3 years ago

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for every three apples sold at the market four bananas are sold if there are 345 apples sold at market in one day how many banan

Amiraneli [1.4K]

You have to divide 345 by 3 and get 115. Then multiply 115 by 4 and get 460. The ratio is 3:4.

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3 years ago

The function y=−16x2+36 represents the height y (in feet) of an apple x seconds after falling from a tree. Find and interpret th

Lapatulllka [165]

Answer:

A. x-intercept=x=1.5 , y-intercept=y=36

B.the apple will hit the ground after x=1.5 seconds.

Step-by-step explanation:

A. X-intercept and Y-intercept:

X-intercept:

the point where the line passes through X-axis i.e. point where y=0

Y-intercept:

the point where the line passes through Y-axis i.e. point where x=0

Given Equation:

$y=-16x^2+36$

Finding X-intercept:

to find x-intercept, put y=0 in the given equation as

$0=-16x^2+36\\$

adding $-16x^2$ to both sides of the equation, we get

$16x^2=36$

dividing both sides by 16, we get

$x^2=\frac{36}{16}\\x^2=2.25$

taking√ on both sides of the equation, we get

$x=\sqrt{2.25}\\ x=1.5$

Finding Y-intercept:

to find y-intercept, put x=0 in the given equation

$y=-16(0)^2+36\\y=36$

thus x-intercept $=x=1.5$

and y-intercept $=y=36$

B.when will the apple hit the ground after x seconds?

In the given equation if x represent the time in seconds then y represents the height of the tree from which the apple is fallen down

so if the apple hits the ground, at this stage the height is zero so y=0, thus we get x as

$0=-16x^2+36\\$

dividing both sides by 16, we get

$x^2=\frac{36}{16}\\x^2=2.25$

taking√ on both sides of the equation, we get

$x=\sqrt{2.25}\\ x=1.5$

the apple will hit the ground after x=1.5 seconds.

8 0

3 years ago

Which expression is equivalent to 6^3?

son4ous [18]

B

Any number with ^ means the power of [said number]. You would times the number by how much is said ( times it by it’s self)

5 0

3 years ago

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Please answer this correctly

DochEvi [55]

<h3>Answer: B) Brookfield</h3>

For each location, divide the number of hamsters over the number of gerbils.

Brookfield would have a ratio of 28/10 = 2.8

Belmont would have the ratio of 27/13 = 2.077 approximately

We see that Brookfield has the higher ratio.

7 0

4 years ago

Read 2 more answers