MATHEMATICS HIGH SCHOOL

Hurrrrrrrryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Answers

Answer 1

Answer:

Answer:

77 180-26=154 sence its iscosolice dived that by 2 154/2=77

Step-by-step explanation:

if brainiest is earned its greatly apprieciated

Answer 2

Answer:

Answer:

i think its x= 18 degrees but i dont know so i apologize if its wrong

Step-by-step explanation:

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PLEASE HELP ASAP I HAVE A TEST IN 2 MINUTES!!!!!!The graph below models the value of a $20,000 car t years after it was purchased.

Which statement best describes why the value of the car is a function of the number of years since it was purchased?

A. Each car value, y, is associated with exactly one time, t.
B. Each time, t, is associated with exactly one car value, y.
C. The rate at which the car decreases in value is not constant.
D. There is no time, t, at which the value of the car is 0.

Answers

B. Each time, t, is associated with exactly one car value, y.

Answer:

Step-by-step explanation:

I got it right on the test

Please help simplify with steps

Answers

Remember that you can always multiply or divide BOTH the numerator and denominator
of the fraction by anything you want to. You just have to do exactly the same to both of
them.

The way to simplify a fraction is to divide both the numerator and denominator by their
greatest common factor.

Do you see all of those 'x's on the top and bottom ? The top and bottom can
both be divided by x-cubed.

Numerator:
Divide (-4³) by x³, and you have (-4) left.

Denominator:
Divide (x³ - 2x⁴) by x³, and you have (1 - 2x) left.

So, the simplified fraction is [ -4 / (1 - 2x) ].

That's a perfectly good answer, but you could make it look a little prettier
if you multiply the top and bottom both by -1 . Then it would be

4 / (2x - 1) .

Either one is fine.

The endpoints of are A(2, 2) and B(3, 8). is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image . What are the slope (m) and length of ? Use the distance formula to help you decide: .

Answers

m=6,a'b'=3.5 square root 37

Answer:

The slope is m=6 and length of line is $d' =3.5√(37)$

Step-by-step explanation:

Given : The endpoints of line AB are A(2, 2) and B(3, 8). Line AB is dilated by a scale factor of 3.5 with the origin as the center of dilation to give image line A'B' .

To find : What are the slope (m) and length of line AB?

Solution :

The slope of a line does not change.

Slope formula is,

$m=(y_2-y_1)/(x_2-x_1)$

The slope of AB A(2, 2) and B(3, 8) is :

$m=(8-2)/(3-2)\n\nm=(6)/(1)\n\nm=6$

Distance formula, $d = √((x_2-x_1)^2 + (y_2-y_1)^2)$

The length of AB by distance formula,

$d = √((3 - 2)^2+(8-2)^2)\nd = √((1)^2+(6)^2)\nd=√(1+36)\nd=√(37)$

Line AB is dilated by a scale factor of 3.5.

The length of A'B' is :

$d' =3.5*√(37)\nd' =3.5√(37)$

Therefore, The slope is m=6 and length of line is $d' =3.5√(37)$

Diego parakeet is 13 centimeters,4 millimeters tall how tall is his parakeet in millimeters

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134 mm tall because 13 cm, move the decimal out one and add that to 4 mm.

A random sample of 100 undergraduate students at a university found that 78 of them had used the university library’s website to find resources for a class. What is the margin of error for the true proportion of all undergraduates who had used the library’s website to find resources for a class?

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From the given values, it seems as if the missing key to value here is not the margin of error, but instead, the standard error. The formula for standard error is as follows:

SE = sqrt ( x(n-x)/n^3 )

Substituting the given values:

SE = sqrt ( 78(100-78)/100^3)) = 0.04

the answer is A on plato

abby is putting tiles on a floor she needs 48 tiles and 8 rows each row has 6 blue tiles the rest are purple how many purple tiles will she need

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48 tiles divided up into 8 rows equals 6 tiles in each row. If each row has 6 blue tiles, then all of the tiles are blue :( She does not need any purple tiles. Are you sure that you wrote your question correctly?

She will not need any purple tiles because all of her tiles, 8*6, 48, will be blue.