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2 years ago

If John ran a 40 yard dash, how far did he run in decimeters?

Mathematics

1 answer:

fgiga [73]2 years ago

3 0

Answer:

365.76 decimeters

Step-by-step explanation:

Please give me brainliest

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Simplify the expression. -14 x 8 x 1/4 + (-22)

pochemuha

-14 x 8 x 1/4 + (-22)

Apply BODMAS

Open the brackets:
-14 x 8 x 1/4 + (-22) = -14 x 8 x 1/4 -22

Division
-14 x 8 x (1/4) - 22 = -14 x 8 x 0.25 - 22

Multiplication
(-14 x 8 x 0.25 )- 22 = -28 - 22

Subtraction
-28-22 = -50

Correct answer: A <-50>

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3 years ago

What’s Equivalent to 1/2 that has the denominator of 4

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Answer:

2/4. I.e multiplying both denominator and numerator by 2

Step-by-step explanation:

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3 years ago

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Write the equation in slope intercept form ( y=mx+b )

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Answer:

y=-4x-3

Step-by-step explanation:

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3 years ago

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Solve for x 4x = -29 gove your answer as an improper fraction in its simplest form

mihalych1998 [28]

Exact form= -29/4
Decimal form = -7.25
Mixed number form = -7(1/4)

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2 years ago

Which statements about the cylinder are true? Select two

Rus_ich [418]

Answer:

The radius of the cylinder is (1/2)x units

The area of the cylinder’s base is (1/4)πx2 square units

The height of the cylinder is 4x units

Step-by-step explanation:

The complete question is

A cylinder with a base diameter of x units has a volume of πx3 cubic units.

Which statements about the cylinder are true? Check all that apply.

(1) The radius of the cylinder is (1/2)x units.

(2) The radius of the cylinder is 2x units.

(3) The area of the cylinder’s base is (1/4)πx2 square units.

(4) The area of the cylinder’s base is (1/2)πx2 square units.

(5) The height of the cylinder is 2x units.

(6) The height of the cylinder is 4x units

we know that

The volume of the cylinder is equal to

$V=\pi r^{2}h$

we have

$r=\frac{x}{2}\ units$ ----> the radius is half the diameter

$V=\pi x^{3}\ units^3$

substitute the given values in the formula of volume

$\pi x^3=\pi (\frac{x}{2})^{2}h$

solve for h

simplify

$x=(\frac{1}{4})h$

$h=4x\ units$

Verify each statement

(1) The radius of the cylinder is (1/2)x units

The statement is true

see the explanation

(2) The radius of the cylinder is 2x units.

The statement is false

Because, the radius of the cylinder is x/2 units

(3) The area of the cylinder’s base is (1/4)πx2 square units

The statement is true

Because, the area of the cylinder's base is equal to

$A=\pi r^{2}$

$r=\frac{x}{2}\ units$

substitute

$A=\pi (\frac{x}{2})^{2}$

$A=\frac{\pi x^2}{4}\ units^2$

(4) The area of the cylinder’s base is (1/2)πx2 square units.

The statement is false

Because, the area of the cylinder's base is equal to

$A=\frac{\pi x^2}{4}\ units^2$

see the part (3)

(5) The height of the cylinder is 2x units.

The statement is false

Because, the height of the cylinder is 4x units (see the explanation)

(6) The height of the cylinder is 4x units

The statement is true

see the explanation

7 0

3 years ago

If John ran a 40 yard dash, how far did he run in decimeters?​

If John ran a 40 yard dash, how far did he run in decimeters?