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Paraphin [41]
4 years ago
9

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

Mathematics
1 answer:
Kay [80]4 years ago
6 0

Answer:

Step-by-step explanation:

(3w^4-8w^2z^2+4z^4)-(5w^4+7w^2z^2-8z^4)

=3w^4-8w^2z^2+4z^4-5w^4-7w^2z^2+8z^4

=(3-5)w^4+(-8-7)w^2z^2+(4+8)z^4

so she made mistake in step 2.

You might be interested in
the distance between two towns is 300 km two cars start simultaneously from this towns and move towards each other the speed of
elena55 [62]

Answer: I think its 131.19, but not too sure.

Step-by-step explanation:

To find the speed, you would do distance/time, so I added 300 and 7. I got 307, then I divided 307 (distance) from 2.34 (time). I got 131.19

Do you want the speed of both cars? then the answer would be:

(300)- first car= 128.20

(307)- second car= 131.19 (if you need to round this answer, it would be 131.2)

8 0
3 years ago
What is the solution to the equation 3x + 2(x − 9) = 8x + x − 14? (1 point)
solong [7]

Answer:

B. -1

Step-by-step explanation:

STEP 1: Simplify 3x+2(x−9).

5x-18=8x+x-14

STEP 2: Add 8x and x.

5x-18=9x=-14

STEP 3: Move all terms containing x to the left side of the equation.

-4x-18=-14

STEP 3: Move all terms not containing x to the right side of the equation.

-4x=4

STEP 4: Divide each term by −4 and simplify.

x=-1

6 0
3 years ago
Factor The sum of terms as a product of The gcf and a sum. (10y+15[/
horsena [70]
I think I know what you might be asking for but could you lease clarify because the question is a bit hard to read.
4 0
4 years ago
The music teacher asked his class to vote for their favorite instrument and created a pie chart to display the results.
nirvana33 [79]

Answer:

bdef

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Ryan works at the car wash making $5.30 per hour plus tips. Last week Ryan worked 32 hours and earned $403. How much in tips did
zysi [14]
Let
x----------> tips

we know that
<span>Last week Ryan worked 32 hours and earned $403
so
32*5.30------> $169.6------> </span><span>carwash</span>
[total earned last week]=[carwash]+tips
tips=total earned-carwash
tips=403-169.6-----> tips=$233.4

the answer is
the option d
$233.4

5 0
3 years ago
Read 2 more answers
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