3 years ago

What is the value of 7 cubed (A) 14 (B) 21 (C) 49 (D) 343

Mathematics

2 answers:

LenaWriter [7]3 years ago

7 0

The answer is d) 343

Orlov [11]3 years ago

6 0

Answer:

Step-by-step explanation:

7*7=49

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Fantom [35]

Step-by-step explanation:

6x2 - x + 3 - (-5x2 + 10x - 1)

6x2 - x + 3 + 5x2 - 10x + 1

Solving like terms

11x2 - 11x + 4

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3 years ago

How many lines of symmetry does this figure have<br> A 1<br> B, 2<br> C. 3<br> D, 4

defon

Answer:

A.1

Step-by-step explanation:

Trapezoids only have one vertical line of symmetry

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3 years ago

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What's the answer? Can someone help me?

Readme [11.4K]

Answer:

Area = 12

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3 years ago

How do you write 1 over 100 as a power of 10 with a negative exponent?

vaieri [72.5K]

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3 years ago

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A box is x to inches high,(2x+3)inches wide, and (2x+5) of inches long. In terms of x, what is the volume (v) of the box?

Advocard [28]

Answer:

The volume of the box is $V=(4x^3+16x^2+15x)\ in^3$

Step-by-step explanation:

we know that

The volume of the box is equal to

$V=LWH$

where

L is the length of the box in inches

W is the width of the box in inches

H is the height of the box in inches

we have

$L=(2x+5)\ in\\W=(2x+3)\ in\\H=x\ in$

substitute in the formula

$V=(2x+5)(2x+3)x$

$V=(4x^2+6x+10x+15)(x)$

$V=(4x^2+16x+15)(x)$

$V=(4x^3+16x^2+15x)\ in^3$

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3 years ago