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Furkat [3]
2 years ago
7

7.2×5.28 (Please answer this ill give brain btw)

Mathematics
1 answer:
denis-greek [22]2 years ago
5 0

Answer:

38.0

Step-by-step explanation:

because 7.2 x 5.28 is 38.016 or 38.0

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HELP ASAP PLEASE!!!!! <br> what is the factorization of the polynomial below -x^2-2x+48
Veronika [31]

I HOPE IT WILL HELP YOU. I DID HOW I KNOW .

8 0
3 years ago
Help help please please
trapecia [35]

9514 1404 393

Answer:

  b = √32

Step-by-step explanation:

The Pythagorean theorem tells you the relation between the side lengths is ...

  2² + b² = 6²

  b² = 36 -4 = 32

  b = √32

_____

<em>Additional comment</em>

This radical can be simplified by removing a square from under the radical.

  b = \sqrt{32}=\sqrt{16\cdot2}=\sqrt{16}\cdot\sqrt{2}=4\sqrt{2}

5 0
2 years ago
Solve x^2 - 13x + 40 = 0​
hodyreva [135]

Answer:

(x-8)(x-5)

Step-by-step explanation:

The only way to solve this equation is to factor it. You would have to use the sum and product rule.

4 0
3 years ago
Which of these equations is for a line perpendicular to y-3=5(x-2)?
olasank [31]

Answer:

C

Step-by-step explanation:

y-3=5(x-2)  (rearrange this to be in slope- intercept from) (add 3 to both sides)

y = 5(x-2) + 3   (distribute parentheses)

y = x(5) - 2(5) + 3

y = 5x -10 + 3

y = 5x - 7

recall that for a line with gradient m, the gradient of the perpendicular line will be - (1/m)

hence in our case, our gradient of the original line is 5, hence the gradient of the perpendicular line is -1/5

From the choices, the only one that is consistent with this is C

i.e choice C:

5y + x = 25

5y = -x + 25

y = -(1/5) x + 5   ===> gradient of -1/5

6 0
3 years ago
You borrowed $1,500 at 6% compounded annually. your payments are $90 at the end of each year. how many years will you make payme
olga nikolaevna [1]
Given the formula for future value annuity:
FV of annuity=P[(1+r)^n-1]/r
where:
P=principle
r=rate
n=time
the time taken to repay the loan will be:
1500=90[(1+0.06)^n-1]/0.06
90=90[(1+0.06)^n-1]
1=(1+0.06)^n-1
1+1=(1+0.06)^n
2=1.06^n
introduce natural log
ln2=nln1.06
n=ln2/ln1.06
n=11.8957=12 years
the answer is 12 years.
5 0
3 years ago
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