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likoan [24]
3 years ago
12

(5y^4 + 2y^5)(-3y^6 + 7y^8)

Mathematics
1 answer:
madam [21]3 years ago
4 0

Answer:

14y^2+35y^12-6y^11-15y^10

Step-by-step explanation:

Simply by distributing 5y^4 to the first two terms and then distribute 2y^5 to the same two terms and then add the like terms.

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Elvis and $74 .50 a month.. how much does he earn to the nearest one penny.
sdas [7]

Answer:

Part A

12 months a year means

%74.5 x 12 = $894

Part B

4 weeks in a month means

$74.5 ÷ 4 = $18.625

But rounded to the nearest penny. . .

$18.62

because in the thousandths place was a 5 and you round up when there is a 5 or above

Part C

We will go with 31 days in a month, but I will also do 30 for you

$74.5 ÷ 30 = $2.48333

But rounded to the nearest penny. . .

$2.48

because you round down when there is anything less than a 4

$74.5 ÷ 31 = $2.40322580645

But rounded to the nearest penny. . .

$2.40

because you round down when there is anything less than a 4

3 0
3 years ago
Which of the following equations represents a horizontal line through (5,-3)?
Snowcat [4.5K]
X=5 vertical all the best
3 0
3 years ago
Read 2 more answers
Cone A has a surface area of 384 ft2 and Cone B has a surface area of 96 ft?. What is the ratio of their volume?
ELEN [110]

Answer:

8 : 1

Step-by-step explanation:

Given ratio of sides = a : b, then

ratio of area = a² : b²

ratio of volumes = a³ : b³

Given

ratio of areas = 384 : 96 = 4 : 1 ← in simplest form, then

ratio of sides = \sqrt{4} : \sqrt{1} = 2 : 1

Hence

ratio of volumes = 2³ : 1³ = 8 : 1

6 0
3 years ago
Figure abcd is a parallelogram what are the measures of b and c
Over [174]

what is the question

5 0
3 years ago
Find volume of the foam
Roman55 [17]

Answer:

35 cubic feet

Step-by-step explanation:

127 137

If you divide the foam into 2 rectangular prisms, you will get a rectangular prism with dimensions of 1 * 2 * 7, and another prism with dimensions of 1 * 3 * 7. You find the separate volumes of each, and get 14 ft^3, and 21 ft^3. You add these together to get 35 ft^3

8 0
2 years ago
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