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KIM [24]
3 years ago
15

Help fast

Mathematics
2 answers:
Nataly_w [17]3 years ago
5 0

Answer:

I got D.

Step-by-step explanation:

timurjin [86]3 years ago
4 0

Answer:

D

Step-by-step explanation:

I said so

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Given vectors u = (-3, 2) and v = (2, 1), what is the measure of the angle between the vectors?
BaLLatris [955]

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C) 119.7°

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got it right on edge :)

3 0
3 years ago
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Javier invests $2,500 into an account 3.5% simple interest . What will be the total amount in the account after 5 years if no ot
katovenus [111]

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4 0
3 years ago
14 out of the 25 students passed the quiz. What percent of students passed the quiz ?
Mnenie [13.5K]

Answer:

56

Step-by-step explanation:

A fraction consists of two numbers and a fraction bar:

14/25

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The number below the bar is the denominator: 25

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Hoped it helped

7 0
2 years ago
Given points A (0,0), B (4,0), C (0,2), D (0,0), E (2,0), and F (0,1), which of the following proves that
damaskus [11]

Similar triangles may or may not have equal side lengths

Triangles ABC and DEF are similar by SSS theorem

<h3>How to determine the similarity statement</h3>

The coordinates of the two triangles are:

A (0,0), B (4,0), C (0,2), D (0,0), E (2,0), and F (0,1)

Calculate the lengths of both triangles using the following distance formula

d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}

For triangle ABC, we have:

AB = \sqrt{(0 -4)^2 + (0 -0)^2} = 4

BC = \sqrt{(4 -0)^2 + (0 -2)^2} = 2\sqrt 5

CA = \sqrt{(0 -0)^2 + (0 -2)^2} = 2

For triangle DEF, we have:

DE = \sqrt{(0 -2)^2 + (0 -0)^2} = 2

EF = \sqrt{(2 -0)^2 + (0 -1)^2} = \sqrt 5

FD = \sqrt{(0 -0)^2 + (1 -0)^2} = 1

Divide corresponding sides of the triangles to calculate the scale factor k

k = \frac{AB}{DE} = \frac{BC}{EF} = \frac{CA}{FD}

This gives

k = \frac{4}{2} = \frac{2\sqrt 5}{\sqrt 5} = \frac{2}{1}

Evaluate the quotients

k = 2 = 2 = 2

Since the quotients are equal, then the triangles are similar

Hence, triangles ABC and DEF are similar by SSS theorem

Read more about similar triangles at:

brainly.com/question/14285697

3 0
2 years ago
I need to figure this out for a quiz in APEX. I can get the rest if I understand how to do this one.
KIM [24]
The answer is b
(-1,3,5)

Hope this helps!
8 0
3 years ago
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