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NikAS [45]
2 years ago
12

Find the sum of the following polynomials (3x^3+ 8x^2– 3) + (7x^3- 4x + 4)

Mathematics
2 answers:
Ede4ka [16]2 years ago
4 0

Answer:

10x^3+8x^2-4x+1 is answer

r-ruslan [8.4K]2 years ago
4 0
I also agree with them^^ mark them the brainliest
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If a pair of shoes has an original price of 80 and they are on sale for 48, what is the percent of discount?
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60% is the correct answer.
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Find the slope of the line that passes through (4,2) and (4,5)
Hunter-Best [27]

Answer: Undefined

Step-by-step explanation:

(slope = m)

m=\frac{y_2-y_1}{x_2-x_1}=\frac{5-2}{4-4}=\frac{3}{0}

(3 divided by 0 is undefined, so the slope is undefined)

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3 years ago
Please help me <br>find f(x+h)​
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Answer:

f(x) = -2x+5

f(x+h) = -2x -2h +5

g(x) = -4x-2

g(x+h) = -4x -4h -2

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Q(x) = -3x^2 +4

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3 0
3 years ago
6 cm<br> 4 cm<br> 7 cm<br> It’s a rectangular pyramid.
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Work out the surface area of this solid prism.
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Answer:

2520cm²

Step-by-step explanation:

Surface area = sum of the area of all the bases.

Area of bottom base = 28 * 30 = 840

Area of right base = 25 * 30 = 750

Area of left base = 17 * 30 = 510

Area of two triangles = ( 15 * 28 ) / 2 = 210 * 2 = 420

Then add all the areas together to find surface area

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Relevant Formulas:

Area of a rectangle = length * width. This formula was used to find the area of the bottom base, the right base and the left base

Area of a triangle = ( height * base length ) / 2 . This formula was used to find the area of the sides which are triangles.

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3 years ago
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