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4 years ago

13

How many miles is 1000 feet?

1 answer:

shtirl [24]4 years ago

4 0

1000 miles would be 5,280,000 feet.

If one mile is 5,280 feet, multiplying this by 1000 will give you the distance of 1000 miles. You can also do it quickly by adding the zeroes (in the case of 1000 there are 3) to 52800 to indicate multiplication by three places.

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Determine whether the lines given are parallel, perpendicular, or neither

aleksandr82 [10.1K]

Answer:

The answer is that these equations are perpendicular

Step-by-step explanation:

They have the different slopes and y-intercepts

y = -2/7x + 4

y = 7/2x - 2

pls mark me as brainliest

8 0

3 years ago

An open top box is formed by cutting squares out of a 5 inch by 7 inch piece of paper and then folding up the sides. The volume

Radda [10]

Answer:

$V(x) = 4x^3 - 24x^2+35x$

Step-by-step explanation:

Given

$V(x) = (7 - 2x)(5 - 2x)(x)$

Required

Expand the expression

$V(x) = (7 - 2x)(5 - 2x)x$

Expand bracket

$V(x) = (7 - 2x)(5 * x - 2x * x)$

$V(x) = (7 - 2x)(5x - 2x^2)$

Further expand bracket

$V(x) = 7(5x - 2x^2) - 2x(5x - 2x^2)$

$V(x) = 35x - 14x^2 - 10x^2 + 4x^3$

$V(x) = 35x - 24x^2 + 4x^3$

$V(x) = 4x^3 - 24x^2+35x$

7 0

3 years ago

If the altitude of an isosceles right triangle has a length of x units, what is the length of one leg of the large right triangl

SVETLANKA909090 [29]

the picture in the attached figure

we know that

if ABC is an isosceles triangle

then

AB=BC

angle A=angle C=45 degrees

and

triangle ABD and triangle BDC also are isosceles triangles

AD=BD=x

DC=BD=x

the hypotenuse AC is equal to

$AC=AD+DC\\ AC=x+x\\ AC=2x$

To find the length AB applying the Pythagorean Theorem

$AC^{2} =AB^{2} +BC^{2}$

remember that AB=BC

$AC^{2} =2AB^{2}$

$AC^{2} =2AB^{2}\\\\ AB=\frac{AC}{\sqrt{2}}\\\\ AB=\frac{2x}{\sqrt{2}}\\\\ AB=x\sqrt{2}$

therefore

the answer is

the length of one leg of the large right triangle in terms of x is equal to $x\sqrt{2}$

3 0

4 years ago

Read 2 more answers

Rename numbers 50 ten thousands

N76 [4]

50,000 would be 50 ten thousands

5 0

3 years ago

The first lap of an auto race is 2,500 meters. This is 10% of the total race distance. What is the total race distance?

emmasim [6.3K]

Answer:

25,000

Step-by-step explanation:

.10(x) = 2,500

X = 2,500/(.10)

X=25,000

4 0

3 years ago