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Alex
3 years ago
5

Find the sum of 5x + 20 and the opposite of 20. Write an equivalent expression in standard form. Do not include any spaces in yo

ur answer.
Mathematics
1 answer:
ohaa [14]3 years ago
8 0

Answer:

5x

Step-by-step explanation:

add -20 to 20 =0

then your have 5x=0

the equation 5x+20-20=5x

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Do the product 40x500 and 40x600 have the same number of zeros
VARVARA [1.3K]

No they do not have the same number of zeroes

Although the 2 products do seem like they might have the same number of zeroes, 40 x 500 and 40 x 600

both have 3 zeroes before multiplying

if we take the first 2 digits of the 2 numbers being multiplied to get an idea of the answer

 if we take 40 x 500 - 4 x 5 = 20

then theres an extra zero added

but if we take 40 x 600 - 4 x 6 = 24

no extra zeroes added to this


so if we finally look at the answers

40 x 500 = 20 000

40 x 600 = 24 000

20000 has 4 zeroes and 24000 has 3 zeroes


so the answer is no they dont have the same number of zeroes

8 0
3 years ago
Read 2 more answers
Which steps would you use to solve this equation? Check all that apply.
Dovator [93]

Answer: The answers are

  1. Subtract 7 from both sides of the equation.
  2. Subtract 7 from 7.
  3. Substitute 5 for p to check the solution.

Step-by-step explanation:

p + 7 = 12

=   p + 7 - 7 = 12 - 7

=   p = 5

Then for the substituting part

5 + 7 = 12

Hope this helps!

3 0
3 years ago
Volume of prisms mathswatch answers
Svetradugi [14.3K]

Answer:

Volume of recangular prisms is l*w*h, triangular prism is (l*w*h)/3

Step-by-step explanation:

8 0
3 years ago
Factor the quadratic expression. x2 + 16x + 48
Bingel [31]
I will do my best to explain this “ x method “ I use
Basically, two factors of the first and last number must multiply together to sum up to equal the middle number
1 X 12
1 4
(x+12) (x+4)
Hope this helps!
3 0
3 years ago
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Solve this: 2-2÷2×2+2​
sergey [27]

Answer:

-2 I think

Step-by-step explanation:

6 0
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