2 years ago

Question 4 of 9 (7 + 1) + 8 = 7+ (1 + 8) A. True B. False

Mathematics

2 answers:

stiv31 [10]2 years ago

8 0

Answer:

trueeeeeeeeeeeeeeeeeeeeee

IgorC [24]2 years ago

6 0

Answer:

A true

Step-by-step explanation:

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A cylindrical rain barrel has a radius of 2 feet and holds a total of 30 cubic feet of water. How tall is the rain barrel? Use 3

enot [183]

Answer:

2.39 feet

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

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

where

r is the radius of the base of the cylinder

h is the height of the cylinder

we have

$V=30\ ft^3$

$r=2\ ft$

$\pi =3.14$

substitute

$30=(3.14)(2^{2})h$

Solve for h

$30=(3.14)(4)h$

$h=30/12.56$

$h=2.39\ ft$

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2 years ago

100.6 + 296.5 using<br> mental math

ruslelena [56]

Answer:397.1....i think

Step-by-step explanation:

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2 years ago

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Which best describes a transformation that preserves the size, shape, and angles of an object? A. congruent transformation B. no

Harrizon [31]

Answer:

Your answer would be D: isometry

Step-by-step explanation:

6 0

2 years ago

Simplify this expression -6w + (-8) + 1+ (-7w)

Rzqust [24]

Answer:

$\boxed{-6w+(-8)+1+(-7w)=-13w-7}$

Step-by-step explanation:

The given expression is $-6w+(-8)+1+(-7w)$ .

This expression is the same as;

$-6w+-8+1+-7w$ .

$-6w-8+1-7w$ .

We regroup the terms to obtain;

$-6w-7w-8+1$

We simplify to get

$-13w-7$

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2 years ago

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In a shipment of new cookies for a store, 4/12 of the cookies were sugar and 1/5 were oatmeal. The remainder of the cookies were

Lisa [10]

Answer:

13/15

Step-by-step explanation:

The fraction of the cookies that are chocolate chip can be determined by solving this equation

1 - ( $\frac{4}{12}$ - $\frac{1}{5}$ )

1 - $\frac{20 - 12}{60}$

1 - $\frac{8}{60}$

$\frac{60}{60}$ - $\frac{8}{60}$ = $\frac{52}{60}$ = 13/15

4 0

2 years ago