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Mice21 [21]
3 years ago
8

Please Help, I'm stuck on this question .

Mathematics
1 answer:
snow_lady [41]3 years ago
4 0

Answer:

24y^15 - 24y^10 + 7

Step-by-step explanation:

f(2y^5)

= 3(2y^5)^3 - 6(2y^5)^2 +7

= 3(8y^15) - 6(4y^10) + 7

= 24y^15 - 24y^10 + 7

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Find the surface area of the shape below.
Korvikt [17]

Answer:

A=384 cm^{2}

Step-by-step explanation:

A =2(wl+hl+hw)

A=2(8*8+8*8+8*8)

A=2(64+64+64)

A=2(192)

A=384

8 0
3 years ago
1.) What is the product of (-6)^2?
Dmitriy789 [7]

im not sure about the first one but im 100% about 2 and 3

2-A

3-D

5 0
3 years ago
Read 2 more answers
the perimeter of triangle ABC is 54. the triangle has side lengths AB =3×,BC=4×,and AC=5× find the length of each side
Naddik [55]
Firstly setup an equation to find the perimeter:

3x + 4x + 5x = 54, this is because perimeter is equal to sum of all side lengths

Then combine like terms:
12x = 54

Now use the division property of equality by dividing both sides by 12:
x = 4.5

So then, you will substitute the value of x for each value of the side lengths: 
3(4.5) = 13.5 for AB, 4(4.5) = 18 for BC, and 5(4.5) = 22.5 for AC. 

Hope this helps and let me know if you have any more questions!
6 0
3 years ago
Quadrilateral mntu below is a parallelogram. if m∠u = 5x and m∠t = 2x – 9, what is the measure of ∠t?
frez [133]
1. A property a parallelogram must have is that adjacent angles must be supplementary, they add up to 180º. We are given the values of the adjacent angles U and T. Their sum must add up to 180º. Solve for x. 
<span>U + T = 180 </span>
<span>5x + 2x - 9 = 180 </span>
<span>7x - 9 = 180 </span>
<span>7x = 189 </span>
<span>x = 27 </span>
<span>Substitute this value of x for itself in angle T. </span>
<span>T = 2(27) - 9 </span>
<span>T = 54 - 9 </span>
<span>T = 45, (D) is the answer </span>
7 0
3 years ago
Frank has earned 387 in interest over the past 36 months in his account if the bank has an interest rate of 1% how much was the
expeople1 [14]

Answer:

the answer is 12,900

Step-by-step explanation:

P0 = $300                    the principal

r = 0.03                      3% rate

I = $300(0.03) = 12,900

8 0
3 years ago
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