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Sever21 [200]
3 years ago
8

(-8x⁴y³)(2x⁵y²)+7x⁹y⁵

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0

Answer:

ss

Step-by-step explanation:

STatiana [176]3 years ago
8 0

Answer:

-9x^{9} y^{5}

Step-by-step explanation:

(-8x⁴y³)(2x⁵y²)+7x⁹y⁵  (grouping like terms)

= (-8)(2) (x⁴x⁵) (y³y²) +7x^{9} y^{5}

= -16 x^{4+5} y^{3+2 } + 7x^{9} y^{5}

= -16 x^{9} y^{5} + 7x^{9} y^{5}

= (-16 + 7)x^{9} y^{5}

= -9x^{9} y^{5}

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The local newspaper has letters to the editor from 20 people. If this number represents 8​% of all of the​ newspaper's readers,
zlopas [31]

let the all readers be x

8%=20×100%÷x

8%x=2000%

x=2000%÷8%

x=250

3 0
3 years ago
12.15x19 Need this asap thanks yall have a blessed day :)
valentinak56 [21]

Answer:

The answer would be 230.85

5 0
3 years ago
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Alice Correa bought three yards of cloth to make a dress. The cloth was on sale for $1.93 per yard. How much did Alice pay for t
vitfil [10]
<span>The correct answer for this question is that Alice Correa will have spent $6.07 on the cloth overall. This can be worked out through first considering what 5% of the original price will be, so $5.79 / 100 = 0.0579 x 5 = $0.28, so $5.79 + $0.28 = $6.07</span>
4 0
3 years ago
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a 2014 mustang originally costs $25000.00 and depreciates at a rate of 8% per year. What is the cost of the car after 7 years?
frutty [35]
$11,000 will bet the cost in 7 years

Given:

Original cost: $25,000

Depreciation rate: 8%

Term: 7 years

Formula for Depreciation:

A = C ( 1 - ( r ) (t) )

A = Future Value

C = Original Cost

r = rate

t = term

Solution:

Substitute the given values to the formula for depreciation.

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A = $25,000(0.44 )

A = $11,000


8 0
2 years ago
Solve for b<br> −3b+2.5=4<br> Two step equations with fractions and decimals
DIA [1.3K]
−3b+2.5=4

Subtract 2.5 from both sides.

−3b+2.5−2.5=4−2.5

−3b=1.5

Divide both sides by -3.

−3b/−3 = 1.5/−3

b=−0.5

3 0
3 years ago
Read 2 more answers
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