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Anastasy [175]
2 years ago
15

Can someone solve this please

Mathematics
1 answer:
grandymaker [24]2 years ago
5 0

Answer:15. 5/8 = 0.625

Step-by-step explanation:

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A theater has 60 seats in the first row, 68 seats in the second row, 76 seats in the third row, and so on in the same increasing
Vinvika [58]

Answer:212 seats

Step-by-step explanation:a1=60

                                              D=8

4 0
3 years ago
Quadratic formula to find the zeros <br> b^2-4b+4=0
Lunna [17]

Answer:

Step-by-step explanation:

Remark

I don't think you need the quadratic formula for this equation. It just factors into (b - 2)(b - 2), but I'll do it because you requested it.

Formula

\text{x = }\dfrac{ -b \pm \sqrt{b^{2} - 4ac } }{2a}

Givens

a = 1

b = - 4

c = 4

Solution

x = - - 4 +/- sqrt((-4^2) - 4*1*4)

       ====================

                   2*1

x = 4 +/- sqrt (16 - 16)

          ==========

              2

x = 4/2

x = 2

There are 2 roots but both of them are the same. Some teachers say there is only 1 root. I'm in that group.

5 0
3 years ago
What is the product of (–0.5)(–1.2)(–5.22)?
Gnoma [55]
-3.132 is the answer, you just had to multiply all of them one at a time (:
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jeyben [28]

Answer:

its 7.5 do you need help

6 0
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Hank estimated the width of the door to his classroom in feet. What is a reasonable estimate?
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