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3 years ago

What equals thirty eight?

Mathematics

2 answers:

natali 33 [55]3 years ago

8 0

30+8 equals 38 and 2*19 equals 38

gayaneshka [121]3 years ago

5 0

Here you go

1*38
2*19
19*2

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1.A cube has side lengths of 15 inches, what is the surface area and volume of the cube? 2. A cube has side lengths of 8 inches,

omeli [17]

Answer:

Cube 1: 3375 cubed inches, 1350 inches squared.

Cube 2: 512 cubed inches, 384 inches squared.

Step-by-step explanation:

Formula for Volume of a Cube: $V=s^3\\$ (s - side length)

Formula for Surface Area of a Cube: $SA=6s^2$ (s- side length)

The side length's 15 inches.

Find the volume:

$V=15^3\\\rightarrow 15*15*15=3375\\\boxed {V=3375}$

The volume of cube one is 3375in³.

Find the surface area:

$SA=6(15)^2\\\rightarrow 15^2 = 225\\SA = 6 * 225\\\boxed {SA=1350}$

The surface area of cube 1 is 1350in².

The side length's 8 inches.

Find the volume:

$V=8^3\\\rightarrow 8*8*8= 512\\\boxed {V=512}$

The volume of cube two is 512in³.

Find the surface area:

$SA=6(8)^2\\\rightarrow 8^2=64\\SA=6*64\\\boxed {SA=384}$

The surface area of cube 2 is 384in².

Brainilest Appreciated.

3 0

3 years ago

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dedylja [7]

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3 years ago

Negative three times negative two plus eight

Dmitriy789 [7]

Answer:

14

Step-by-step explanation:

Expression: Negative × Negative + Positive

Product: Positive 

Answer: (-3 × -2) + 8 .

6 + 8 = 14

14

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2 years ago

Anybody know the answer?

german

The answer 1 because because 1-cosx^2 =sinx^2 and cotx^2+1=cscx^2 =1/sinx^2 and sinx^2/sinx^2=1
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Arithmetic, geometric, or neither 5, 1, 1, 5...

nordsb [41]

Answer:

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Step-by-step explanation:

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