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Alexxx [7]
3 years ago
14

Find the sum of a polynomials -4xsquare 9x-3 and 7xsquare-5x 4

Mathematics
1 answer:
Anna11 [10]3 years ago
6 0
Hope this helps
<span>9x^3 + 6x^3 = 15x^3
</span><span>15x^3</span>
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Guys does that mean multiply or like fractions?
Zepler [3.9K]

Answer:

multiply

Step-by-step explanation:

It says for you to multiply.

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2 years ago
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What is the value of n in the equation 32 × 33 = 3n?
adoni [48]

Answer:

5

Step-by-step explanation:

u can add 2 and 3 when their base number (3) are the same

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3 years ago
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Tom had $56. He bought a soda for $2 and 2 cookies for $3. Which expression correctly shows the total money Tom has left? A. $56
deff fn [24]

C ($56) - ($2) - ($3)

4 0
3 years ago
Shari buys a house for $240,000. She makes a down payment of 20% and finances the rest with a 15 year mortgage. She agrees to ma
Vedmedyk [2.9K]

Answer:

$1166.08 is the monthly payment for the mortgage per month.

Step-by-step explanation:

The meaning of this stated formula on the statement is the present annuity formula because we will have future monthly payments on the mortgage of the house in which they pay off the present value of the house which is $240000 x 80% = $ 192000 as this amount will excludes the down payment of 20% that is made.

We are given Pv the present value which excludes the down payment  $192000.

We have the interest rate i which is 1.2%/12 as it is compounded monthly.

n is the number of payments made over a period which is 12 x 15 years= 180 payments as it is compounded monthly.

no we substitute the above mentioned information to the present value annuity formula stated to calculate R the monthly payment:

Pv = R[(1-(1+i)^-n)/i]

$192000 = R[(1-(1+(1.2%/12))^-180)/ (1.2%/12)] divide both sides by the coefficient of R

$192000/[(1-(1+(1.2%/12))^-180)/(1.2%/12)] = R

$1166.08 =R which this is the amount that will be paid for the mortgage every month for 15 years.

5 0
2 years ago
Find the total surface area of the following pyramids: A regular square pyramid has a height of 4 and a base with area 36.
Artemon [7]

Answer:

2623.6144m²

Step-by-step explanation:

Total Surface Area of a Square Pyramid

a * (a + √(a² + 4h²))

where,

a = area of base

h = height

Using the formula above

a * (a + √(a² + 4h²))

data given :

a = 36

h = 4

a * (a + √(a² + 4h²))

T.S.A. = a * (a + √(a² + 4h²))

Inputting values

T.S.A. = 36 * (36 + √(36² + 4 * 4²))

T.S.A. = 36 * (36 + √(36² + 4 * 16))

T.S.A. = 36 * (36 + √(36² + 64))

T.S.A. = 36 * (36 + √(1296 + 64))

T.S.A. = 36 * (36 + √(1360))

T.S.A. = 36 * (36 + 36.87817782917154)

T.S.A. = 36 * (72.87817782917154)

T.S.A. = 36 * 72.8782

T.S.A. = 2623.614401850175

Therefore Total Surface Area (T.S.A.) is 2623.6144m²

6 0
3 years ago
Read 2 more answers
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