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3 years ago

Tiyana is saving for a vacation. She wants to have at least $75 for

Mathematics

1 answer:

ankoles [38]3 years ago

7 0

Answer:

no she will be at 70.8

Step-by-step explanation: if you do 85*10 that gives you 850 the dived by /12 for your 12 days .

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16x-8-14x=10 show work

kirill115 [55]

Answer:

x=9

Step-by-step explanation:

Original equation: 16x-8-14x=10

Combine like terms: 2x-8=10

Add 8 to both sides: 2x=18

Divide by 2 on both sides: x=9

Let me know if this helps!

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3 years ago

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Help me and explain this ?marking brainliest

Alexandra [31]

The answer is 39 over 50

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If x^3+ax^2-18x+b = (x+5)(x-4)(x+2) what is a and b

blondinia [14]

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$(x + 5)(x - 4)(x + 2) =$

$(x + 5) ({x}^{2} - 2x - 8) =$

${x}^{3} - 2 {x}^{2} - 8x + 5 {x}^{2} - 10x - 40 = \\$

${x}^{3} + 3 {x}^{2} - 18x - 40$

_________________________________

Compare :

${x}^{3} + 3 {x}^{2} - 18x - 40$

${x}^{3} + a {x}^{2} - 18x + b$

Thus :

$a = 3$

and

$b = - 40$

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3 years ago

Does anybody know the answer??

alexandr1967 [171]

Answer:

i think the answer is c

Step-by-step explanation:

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2 years ago

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What is the first step in simplyfing a rational expression

brilliants [131]

Answer:

The first step is you have to eliminate all factors that are common of the numerator and the denominator.

Step-by-step explanation:

If you need more help ,here's a link https://www.mathplanet.com/education/algebra-1/rational-expressions/simplify-rational-expression

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3 years ago