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3 years ago

Find the distance between the two points in simplest radical form (−6, 1) and (−8,−4)

Mathematics

1 answer:

Elena L [17]3 years ago

7 0

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A student raises her grade from a 75 to a 90 what is the percent of increas in the students grade average

iren [92.7K]

Answer:

Step-by-step explanation:

I got a 100 on this test so try and do well

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2 years ago

Select the correct answer

Kaylis [27]

Answer:

B. 1.-1,-2

Step-by-step explanation:

$g(x) = x ^{3} + 2 {x}^{2} - x - 2$

Substitute g(x)=0

$0 = {x}^{3} + 2 {x}^{2} - x - 2$

Move the expression to the left

$0 - {x}^{3} - 2 {x}^{2} + x + 2 = 0$

Factor out -x^2 from the expression

$- {x}^{2} \times (x + 2) + x + 2 = 0$

Factor out (x+2) from the expression

$(x + 2) \times ({x}^{2} + 1) = 0$

When the product of the factor equals 0, at least one factor is 0

$x + 2 = 0$

$- {x}^{2}+ 1 > = 0$

Solve for x

$x = - 2 \\ x = - 1\\ x = 1$

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3 years ago

Trig help please, 2 questions, 10 pts

Scrat [10]

1. 2700 degrees. 450 rotations in on minute is 450(360) degrees per minute. If you divide this by 60 you get 2700.
2. 180 degrees. 4.3 rotations per minute is 4.3 times 360 degrees per minute. Multiply that times 5, and divide the answer by 360 and you get 21.5, which means he is 180 degrees from his starting point.

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3 years ago

The wall below is 90% covered with graffiti. The entire wall is 228 ft2. How much square footage does the graffiti cover?

Rama09 [41]

205.2 square feet

Convert 90% to a decimal. You get .9 Multiply 228 by .9 to find what 90% of 228 is. You should get 205.2.

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3 years ago

Francesca has 9 striped shirts, Francesca has 9 striped shirts, which is 15% of the total number of shirts in Francesca's drawer

Burka [1]

B - 60 Shirts

15 percent is 3/20 of a whole, meaning that 1/20 of a whole would be 3. Then, multiply the 1/20 by its denominator.

3*20= 60

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2 years ago

Read 2 more answers