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3 years ago

Select the reason why these triangles are

Mathematics

1 answer:

Fittoniya [83]3 years ago

7 0

Answer:

B. SAS

Step-by-step explanation:

Ratio of sides equal:

4/2= 6/3

So the 2 sides are congruent and also share same angle between.

B. SAS is the similarity reason

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Solve for x. 3(3x - 1) + 2(3 - x) = 0 = 0

BARSIC [14]

If you would like to solve the equation 3 * (3 * x - 1) + 2 * (3 - x) = 0, you can calculate this using the following steps:

3 * (3 * x - 1) + 2 * (3 - x) = 0
3 * 3 * x - 3 * 1 + 2 * 3 - 2 * x = 0
9 * x - 3 + 6 - 2 * x = 0
7 * x + 3 = 0
7 * x = - 3 /7
x = - 3/7

The correct result would be - 3/7.

4 0

3 years ago

What fraction is greater than 4/5

sp2606 [1]

A greater fraction than 4/5 is 9/10

4 0

3 years ago

The length of a rectangle is three inches more than the width. the area of the rectangle is 180 inches. find the width of the re

ch4aika [34]

We have a rectangle with length L that is 3 inches more than the width W. Then we can write this as:

$L=W+3$

The area of the rectangle is 180 square inches.

We have to find the width W.

As the area is equal to the product of the length and the width, we can write this equation and solve for W as:

$\begin{gathered} A=180 \\ L\cdot W=180 \\ (W+3)\cdot W=180 \\ W^2+3W=180 \\ W^2+3W-180=0 \end{gathered}$

We have a quadratic equation. The roots of this equation will be the mathematical solutions.

We can find the roots using the quadratic formula:

$\begin{gathered} W=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a} \\ W=\frac{-3\pm\sqrt[]{3^2-4\cdot1\cdot(-180)}}{2\cdot1} \\ W=\frac{-3\pm\sqrt[]{9+720}}{2} \\ W=\frac{-3\pm\sqrt[]{729}}{2} \\ W=\frac{-3\pm27}{2} \\ W_1=\frac{-3-27}{2}=-\frac{30}{2}=-15 \\ W_2=\frac{-3+27}{2}=\frac{24}{2}=12 \end{gathered}$

The solutions are W = -15 and W = 12.

The first one is not valid, as W has to be greater than 0.

Then, the solution to our problem is W = 12 in.

Answer: the width is W = 12 inches.

6 0

1 year ago

According to the diagram below, which similarity statements are true? Check all that apply.

Pie

Answer:

A and C

Step-by-step explanation:

ABD forms a right angle

which is congruent to BCD

ABC forms right angle

which is congruent yo ADB

5 0

2 years ago

Draw a diagram to show the hidden question.then solve. One gallon of paint will cover 80 files.Tariq wants to paint the files on

Naddika [18.5K]

I think the answer is 160, I'm not completely sure. Anyway, have a good day!

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3 years ago