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allsm [11]
4 years ago
6

I need help on #31 please

Mathematics
1 answer:
o-na [289]4 years ago
3 0
If I knew the answer I would tell u but sadly I don't sorry
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Find the zeros of the following equation by completing the square.<br> x^2+8x-2=0
umka21 [38]

Answer:

x = -4 + 3√2 and x = -4 - 3√2

Step-by-step explanation:

Complete the square of x^2+8x-2=0:

Between 8x and -2, write in 4^2 - 4^2, so that we now have:

x^2 + 8x + 16 - 16 - 2 = 0, or by writing x^2 + 8x + 16 as the square of a binomial, (x + 4)^2 = 18

Taking the square root of both sides, we get:

x + 4 = √18 = ±√9√2, or ±3√2

Then x = -4 + 3√2 and x = -4 - 3√2

7 0
3 years ago
Find the product of 9 and 583. <br><br> A. 64 <br> B. 592 <br> C. 5,247 <br> D. 5,347
Dmitry_Shevchenko [17]

Answer:

C. 5,247

Step-by-step explanation:

  1. Product = multiplication
  2. The product of 9 and 583: 9 × 583 = 5,247

I hope this helps!

7 0
3 years ago
Read 2 more answers
What is the expanded form for the following number? 3,721
mrs_skeptik [129]

Answer:

3000 + 700 + 20 + 1

Step-by-step explanation:

3721 = 3000 + 700 + 20 + 1

5 0
3 years ago
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Marie has renters insurance that she must pay twice a year. If each payment is $96, how much money should she set aside each mon
enyata [817]
$96(2 payments) = $192

$192/(12 months) = $16 per month (she should set aside)
8 0
4 years ago
Read 2 more answers
Help please
zimovet [89]

0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0+0 hope that helps

8 0
4 years ago
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