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3 years ago

The product of 3 and a number increased by 8 is -48 what is the number?

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

4 0

You just have to reverse the operations
1. -48-8= -56
2. -56/3= -18.66

ANSWER = -18.66

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Answer:

A. 125

Step-by-step explanation:

the sum of the remote angles is equal to the exterior angle

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3 years ago

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Answer:

(a) Orthogonal, (b) Neither, (c) Parallel, d( Orthogonal

Step-by-step explanation:

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3 years ago

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damaskus [11]

Similar triangles may or may not have equal side lengths

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<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:

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

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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

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