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aev [14]
3 years ago
11

(x+4y+z)(x-7y) identify the property used in each of the steps

Mathematics
2 answers:
OlgaM077 [116]3 years ago
8 0

Answer:

so what are the propertys?

Step-by-step explanation:

horrorfan [7]3 years ago
7 0
Multiply the parentheses then collect like terms
(x+4y+z) (x-7y)

x^2-7xy+4xy-28y^2+xz-7yz

x^2-3xy-28y^2+xz-7yz
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a person who weigh 200 pound on earth would weght about 32 pound on the moon find the weght of person on earth who would weight
stepladder [879]
The answer is, 98 pounds. how I got my answer.

I found how many pounds was taken off of 200 pounds to 32 pounds, which is 168 pounds, so 200-168=32, so then I knew to multiply 15×2=30, which would make it 100 pounds. since 32=200 I thought I must take 2 off since the remainder is 2, so I subtracted 100-2=98, so once again, the answer is 98 pounds.

I hope this helps.
6 0
3 years ago
Can someone help me on three? please and thank you!!!!
inn [45]

Answer: any number that’s not already used

Step-by-step explanation: It could be any number as long as it hasn’t already been used in that data set. Mode is the most occurring value, and there’s no mode when all numbers are different. Hope this helped;)

3 0
3 years ago
Identify all pairs of congruent corresponding parts. Then write another congruence statement for the triangles.
astra-53 [7]

..

SOLUTION

\begin{gathered} \Delta FED\cong\Delta CBA \\ \angle F\cong\angle C \end{gathered}\begin{gathered} \Delta EFD\cong BCA \\ \angle E\cong\angle B \\ \bar{DE}\cong\bar{AB} \end{gathered}\begin{gathered} \bar{EF}=\bar{BC} \\ \angle D=\angle A \\ \bar{DF}=\bar{AC} \end{gathered}

4 0
1 year ago
Helpppp plsssssssss !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Nikitich [7]

Answer:

Yes, he is correct

Step-by-step explanation:

25% of 20 is 5 (0.25*20)

100% of 20 is 20

if you take 125% of 20, you'll end up with 25

3 0
3 years ago
Read 2 more answers
1. A boy needs to be at school by 8:15 am. If it takes him 15
GenaCL600 [577]

Answer:

7:00 am

Step-by-step explanation:

7:00 am

5 0
2 years ago
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