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REY [17]
3 years ago
15

Solve by factoring m^2+8m+7=0

Mathematics
2 answers:
Alborosie3 years ago
8 0
Complete the square.................
Alenkinab [10]3 years ago
3 0
We can use completing the square.We add 16 and subtract 7 to both sides. Now we get m^2+8m+16=9. The left sides becomes (m+4)^2=9. Taking the square root of both sides and subtracting 4 we get -1 and -7.
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Why do we use standard form?
posledela

Answer:

standard form is use to make subtract and addition easy

Step-by-step explanation:

hope it helps

6 0
3 years ago
Read 2 more answers
Please help me I don't know how to do this.
yaroslaw [1]

Answer:

3x-1

step by step

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3x-1

6 0
3 years ago
Find the product (x-y) (8x+y)
Schach [20]
89+6 
x - y 
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3 - 9 I think that's the answer I'm not too sure because you didn't provide me your answer but hope this helps .

8 0
3 years ago
1.What are the values of the 6s in 36,621?
enot [183]
1) The value of 6s in 36,621 are 6,000 and 600.

first 6 is in the thousands place value while the second 6 is in the hundreds place value.
6 x 1000 = 6,000 and 6 x 100 = 600

2) The first 4 is ten times greater than the second 4 is shown in 354,426

the first 4 is in the thousands place value while the second 4 is in the hundreds place value
4 x 1000 = 4000 and 4 x 100 = 400

based on the question the first 4, which is 4000, is ten times greater than the second 4, which is 400.
we can check if this statement is true either by dividing 4000 by ten or multiplying 400 by ten.

4000/10 = 400 ; 400 x 10 = 4000. therefor, out of the 4 numbers given, the correct one is 354,426

3) The relationship of the two 5s in 552 is shown in 500 ÷ 50 = 10

based on its place value, the first five is in the hundreds place and the second five is in the tens place.

500 ÷ 50 = 10. This equation states that 500 is ten times greater than 50.

4) In 2,077 the first 7 is greater than the second 7 by 10 times.

using place value, first 7 is in the tens place while second 7 is in the ones place.

first 7 is 70; second 7 is 7. we divide 70 by 7 to know how many number of times 70 is greater than 7.

70 ÷ 7 = 10 times.


8 0
3 years ago
The Cat is a high-speed catamaran auto ferry that operates between City A and City B. The Cat can make the in about 3.5 hours at
Rama09 [41]

Answer:

196

Step-by-step explanation:

56*3.5=196

plz mark as brainliest

7 0
3 years ago
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