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Murljashka [212]
4 years ago
8

Subtract and show full process (7a²−3a)−(5a²−5a). ????​

Mathematics
1 answer:
Bess [88]4 years ago
5 0

Answer:

(7a²-3a)-5a²+5a

7a²-3a-5a²+5a

7a²-5a²-3a+5a

2a²+2a

The answer is 2a²+2a

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Two-thirds a number plus 4 is 7
julsineya [31]
The answer is 2/3n+4=7
4 0
4 years ago
2 questions correct anwser gets brainlyess​
Vlada [557]

Answer:

  • Question 1: x=55
  • Question 2: m∠A=45°

Step-by-step explanation:

<u>Question #1</u>

- Since it is an isosceles triangle, this means that the base angles have the same value.

- The angle sum is 180°

Solve

2x+35+35=180

2x+70=180

2x=110

x=55

<u>Question #2</u>

- Since it is given there is a right angle, this means the angle is 90°

- The angle sum is 180°

Solve

5x+5x+90=180

10x+90=180

10x=90

x=9

It asked to find m∠A, which is 5x. So 5x=5(9)=45°

Hope this helps!! :)

Please let me know if you have any questions

3 0
3 years ago
Help plz ????????????????????????????????????????
Ugo [173]
What do you need help with?
3 0
3 years ago
Can someone help me pls
denis-greek [22]

Answer: -17/15 or simplified as a mixed number -1 2/15

Step-by-step explanation: First convert both -4/5 and 1/3 to fifteenths. Multiply -4/5 by 3/3 to get -12/15. Multiply 1/3 by 5/5 to get 5/15. Then subtract 5/15 from -12/15. -12-5=-17 (numerator).

4 0
3 years ago
Someone please help me with the answer. ASAP
larisa86 [58]

option a is the answer you are which class same question is there for me

7 0
3 years ago
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