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Amiraneli [1.4K]
3 years ago
6

-x + 8x= -21 find what x is

Mathematics
1 answer:
Reptile [31]3 years ago
6 0

Answer:

-3

Step-by-step explanation:

-x+8x=-21

7x=-21

7x/7=-21/7

x=-3

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Beth won 86 pieces of gum playing hoops at her school's game night. Later, she gave three to each of her friends. She only has 2
Reil [10]

Answer: beth has 28 friends

Step-by-step explanation: take 86 and subtract 2 wich gives you 84. then, take 84 and divide it by 3. 84 divided by three is 28. so, beth has 28 friends.

your answer is 28

7 0
3 years ago
Actor the expression 16x+8x+1 16x 28x +11-​
Gwar [14]
<h3>Explanation:</h3>

\large \purple {\sf { {16x}^{2}  + 8x + 1}}

\large \pink {\sf { =  {(4x)}^{2}  + 2(4x)(1) +  {(1)}^{2}}}

\large \orange {\sf { = {(4x + 1)}^{2} }}

<h2>Answer:</h2>

\large \green {\sf {{16x}^{2}  + 8x + 1 =  {(4x + 1)}^{2}}}

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3 years ago
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Afina-wow [57]

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Step-by-step explanation:

8 0
3 years ago
Z3=-64 help please I will give brainliest
snow_lady [41]

Answer:

-4

Step-by-step explanation:

<h2><u>An exponent is multiplying a number by itself as many times as the exponent says so.</u></h2><h2><u /></h2><h2><u>So we need to find a number that times itself 3 times.</u></h2>

-4 fits this.

-4 x -4 x -4

==> -64

z = -4

6 0
3 years ago
Read 2 more answers
If you are at (0,0) on a coordinate grid, what direction do you go to plot point (-2,6)​
lidiya [134]

Answer:

go left 2 and up 6

Step-by-step explanation:

(x,y)

(x,y) --> (-2,6)

0 = x      0 = y

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0 + 6 = 6 = y

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When making the X negative, you want to go left on the grid. When making Y positive, you want to go up on the grid.

6 0
3 years ago
Read 2 more answers
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