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Darya [45]
3 years ago
15

Help me plz 8th grade math

Mathematics
1 answer:
lina2011 [118]3 years ago
6 0
Hmm... How may I help you?
You might be interested in
Factor the polynomial. 7x2 + 68xy - 20y2 A) (7x - 2y)(x + 10y) B) (7x - 10y)(x - 2y) C) (7x + 10y)(x + 2y) D) (7x + 2y)(x - 10y)
Otrada [13]
For this case we have the following polynomial:
 7x2 + 68xy - 20y2
 Factoring we have:
 (7x-2y) (x + 10y)
 We verify the factorization:
 7x2 + 70xy - 2xy - 20y2
 Rewriting we have:
 7x2 + 68xy - 20y2
 Therefore, the factorization is correct.
 Answer:
 
A) (7x - 2y) (x + 10y)
5 0
3 years ago
You measure a piece of rope and find its length to be 13 m. Find the percent error of this measurement. Round to the nearest hun
solniwko [45]
The answer is C. 3.85
3 0
3 years ago
Read 2 more answers
Pls help me I promise I’ll mark u brainleiest if I type in the fastest answer
Sever21 [200]

Answer:

1. $-50

2. $25

Step-by-step explanation:

1. If she had $150 in her bank account and bought a bike for $200, then that means she spent all of her money PLUS $50 extra then what she had.  That means $200-$150=$50.  Her $150 is spent and that $50 becomes negative because she paid $200 when she only had $150.

2.  If she deposits $75 in her account then it will be $75+(-50).  That translates to $75-$50 which is $25.  

+ and - = -

+ and + = +

- and - = +

4 0
3 years ago
Read 2 more answers
There is something wrong with the reason. I don’t know what it is. Could someone help me. The picture of the figure is on the ne
stira [4]

9514 1404 393

Answer:

  CPCTC

Step-by-step explanation:

The applicable reason for statement 4 is "Corresponding Parts of Congruent Triangles are Congruent (CPCTC)".

The reason shown in your problem statement is applicable only within one triangle. The segments of interest are in two different triangles.

8 0
3 years ago
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Write the fraction 7/33 as a decimal.
timama [110]
 7/33 as a decimal is <span>0.21212121212</span>
7 0
2 years ago
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