3 years ago

Is -n always sometime or never a positive number ?explain

Mathematics

1 answer:

zloy xaker [14]3 years ago

7 0

-n is <em>sometimes</em> a positive number.

-n is a positive number whenever 'n' is a negative number.

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Combine the like terms to create an equivalent expression 5k+(-2k)-(-1)

Ad libitum [116K]

Answer:

3k+1

Step-by-step explanation:

5k+-2k= 3k

3k--1 = 3k+1

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3 0

3 years ago

Find the volume of each of the following cubes. a. s = 7 kilometers b. s = 11 yards

nadya68 [22]

Answer:

Part 1) $V=343\ km^{3}$

Part 2) $V=1,331\ yd^{3}$

Step-by-step explanation:

we know that

The volume of a cube is equal to

$V=s^{3}$

where

s is the length of the cube

Part 1)

we have

$s=7\ km$

substitute in the formula

$V=7^{3}$

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Part 2)

we have

$s=11\ yd$

substitute in the formula

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$V=1,331\ yd^{3}$

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3 years ago

Read 2 more answers

A b c or d? help me

kotegsom [21]

Answer:

B.) $\frac{1}{2} +8$

Step-by-step explanation:

$\frac{1}{2}-(-8)$

A negative and a negative equals a positive. Remove parentheses and simplify

$\frac{1}{2}+8$

Done.

7 0

2 years ago

Read 2 more answers

A line's y-intercept is -10, and its slope is 1. What is its equation in slope-intercept form?

ratelena [41]

Answer:

$y=1x-10$

Step-by-step explanation:

$y=mx+b$

m(slope) = 1

b(y-intercept) = -10

$y=1x-10$

✨Hope this helps✨

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