3 years ago

Ezra enjoys gardening.

Mathematics

1 answer:

GalinKa [24]3 years ago

6 0

Answer:

Step-by-step explanation:

That is the quetion that sal khan explaind in the vid BOI

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tucker invested $3500 at 2% interest compounded annually. how much interest will he earn in 3 years? a. $70.00 b. $210.00 c. $21

Ierofanga [76]

The answer is 214,23 dollars. (1,02^3 * 3500)-3500 = 214,23

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3 years ago

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A line goes through the points (7,8) and (3, 10). What is the slope of the line?

nekit [7.7K]

Answer:

$slope = m = -\dfrac{1}{2}$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope = m = \dfrac{10 - 8}{3 - 7}$

$slope = m = \dfrac{2}{-4}$

$slope = m = -\dfrac{1}{2}$

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4 years ago

Identify the vertex of the quadratic function in standard form y=2x^2 -16x+31

lapo4ka [179]

Answer:

(4,1)

Step-by-step explanation:

The vertex of the quadratic can be found using -b/2a. The vertex is the point (-b/2a, f(-b/2a)).

To find the x coordinate of the quadratic, define its a,b, and c. The quadratic has a = 2, b=-16, and c=31. Then -b/2a is -(-16)/2(2) = 16/4 = 4.

To find the y-coordinate, input the x=4 and solve for y.

$y=2(4)^2-16(4)+31\\y=2(16)-64+31\\y=32-64+31\\y=1$

The vertex is (4,1).

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3 years ago

B. If the radius of a circle is r сm, what<br>is the measure of its circumference?

musickatia [10]

Answer:

$2 \times \pi \: \times r$

is the circumference of the circle

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3 years ago

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***please help***

AleksAgata [21]

Answer:

The answer is -- all integers from 10 to 50, inclusive

Hope I Helped.

(I am sure of the answer, I have completed the test.)

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4 years ago

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