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3 years ago

Ayyyyyyyy help me even if u can only help with 1 answer it wud be appreciated

Mathematics

1 answer:

Lisa [10]3 years ago

4 0

Answer:

7. 225, 315

Step-by-step explanation:

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I need the top one plzzzz thankkk uuuu

MrMuchimi

Cubic inches is 24,429

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3 years ago

Find the surface area of each figure. round your answer to the nearest tenth

qaws [65]

Answer: 378.57mi²

Step-by-step explanation:

Formula = a²+2a√{(a²/4)+h²}

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8 0

3 years ago

Anyone mind helping me ?

storchak [24]

Answer:

<GOJ

Step-by-step explanation:

O is the center of the circle

So central angle is <GOJ

3 0

3 years ago

Anyone know how to do problems 5-8?

Pachacha [2.7K]

Finding zeros or setting y ot f(n) equal to zero

and all you have to do is factor it, hoping you know how to do this

5. 0= n^2-2n-15
(n-5)(n+3)= 0
n-5= 0 n+3=0
n=5 and n=-3

6.t^2+6t=27
t^2+6t-27=0
(t + 9) (t-3)= 0
t=-9 and t=3

7. x^2-9x=-18
x^2-9x+18=0
(x-6)(x-3)= 0
x=6 and x=3

8. a^2 - 7a = 30

a^2 - 7a -30= 0
(a-10)(a+3)=0
a=10 and a=-3

hope that helps

8 0

3 years ago

Y=6-x In this case, what would be the slope and y-intercept? I'm having a hard time trying to get it to the y=mx+b format.

frutty [35]

Answer:

Slope = $\frac{-1}{1}$ or -1

y = 6

Step-by-step explanation:

The equation given (y = 6 - x) is the same as saying

y = -1x + 6

Since we have a negative x variable and a positive 6 and would also be graphed the same. The only difference is that the second equation I just mentioned resembles the y = mx + b expression more. In this case the slope would be

Slope = $\frac{-1}{1}$ or -1

While the y-intercept would be

y = 6 - x

y = 6 - 0

y = 6

4 0

3 years ago