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3 years ago

8

Estimate the following sum using front-end estimation. 48.1 + 29.7 + 11.8

1 answer:

Daniel [21]3 years ago

6 0

Rounding up when the decimal is above 5, Rounding down when the decimal is 5 and below

the answer you are looking for would be 48 + 30 + 12 = Approximately 80 estimate

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jose has a board that is 15 ft long he wants to cut it into 3/4 ft long how many pieces will he have ?

IrinaK [193]

Answer: 20

Step-by-step explanation: the equation would be 15 / 3/4, or 15/1 / 3/4 (the / meaning divide). You would divide it by multiplying the reciprocal of 3/4 (4/3) and 15(/1) , which you would get 20.

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3 years ago

Oh no! Your bank failed. You had all your life savings in that bank - $55,000. You should:

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4 years ago

Please help!!! Brainliest for whoever is right! What is the sum of the rational expressions below?

fenix001 [56]

Answer:

<h2> $\frac{5 {x}^{2} + 5x + 3 }{3 {x}^{2} + 3x}$ </h2>

Step-by-step explanation:

$\frac{2x + 3}{3x} + \frac{x}{ x + 1}$

Write all the numerators above the least common denominator

$\frac{(x + 1)(2x + 3) + 3 {x}^{2} }{3x(x + 1)}$

Multiply the parentheses

$\frac{2 {x}^{2} + 3x + 2x + 3 + 3 {x}^{2} }{3x(x + 1)}$

Distribute 3x through the parentheses

$\frac{2 {x}^{2} + 3x + 2x + 3 + 3 {x}^{2} }{3 {x}^{2} + 3x}$

Collect like terms $=\frac{5 {x}^{2} + 5x + 3 }{3 {x}^{2} + 3 x}$

Hope this helps...

Good luck on your assignment...

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3 years ago

If p(x)= x^2-1 and q(x)=5(x-1), which expression is equivalent to (p-q)(x)?

ludmilkaskok [199]

Answer:

x² - 5x + 4

Step-by-step explanation:

note that (p - q)(x) = p(x) - q(x), thus

p(x) - q(x)

= x² - 1 - 5(x - 1) ← distribute parenthesis by - 5

= x² - 1 - 5x + 5 ← collect like terms

= x² - 5x + 4

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3 years ago

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Shawn has a bag containing seven balls: one green, one orange, one blue, one yellow, one purple, one white, and one red. All bal

Mrrafil [7]

Answer:

C. 1/7

Because 1 ball is purple out of 7 other ones

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3 years ago

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