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BaLLatris [955]
2 years ago
8

Find angle X. I am not sure if it should add up to 360 degrees or 180 degrees

Mathematics
1 answer:
ExtremeBDS [4]2 years ago
5 0

Answer:

195

Step-by-step explanation:

Since this figure is a quadrilateral you would be subtracting the inner angles from 360

360-87-40-38=195

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Draw the triangle that is the image of the given triangle after dilation with center ​(0​,0​) and a scale factor of 1/4 (one fou
solong [7]

Hey there!

Your answer is C.

If you take the lengths of the legs of the triangle, which are 12 and 4, we can multiply them by the scale factor to see what the legs of our new triangle is.

12 x 1/4 = 3

4 x 1/4 = 1

So, the legs of our new triangle have lengths of 1 and 3.

We can see that option C has the correct triangle in red.

If we're looking at the ratio of rise to run of each triangle, it is 1/3 for both the large triangle and the small triangle.

The rise for the larger triangle is 4, and the run is 12. That is 4/12, which can be simplified to 1/3.

The rise for the smaller triangle is 1, and the run is 3. That is 1/3, which is all the way simplified already.

These triangles are similar because the first one was dilated to get the second one, which explains why the ratios are the same.

Hope this helps!  

6 0
3 years ago
Which ratio expresses the scale used to create this drawing?<br> 1 square=10 yards
BlackZzzverrR [31]

Answer:

option B

Step-by-step explanation:

option B

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4 0
3 years ago
Complete the table:​
Oksi-84 [34.3K]

Answer:

Fraction                            Percentage                                  Decimal

    ¹/₅                                        20%                                           0.2

    ¹/₄                                        25%                                         0.25

    ¹/₂                                        50%                                           0.5

    ²/₃                                      66.6%                                        0.6

Fraction;

25/100 = 1/4

66.6/100 = 2/3

Percentage

1/5 * 100 = 20%

1/2 * 100 = 50%

Decimal

1/5 = 0.2

25/100 = 0.25

1/2 = 0.5

3 0
3 years ago
If you write a product using each prime factor of two polynomials the greatest number of times it occurs in the polynomial, you
ch4aika [34]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Fill in the blank so that 81x2+_<br> x+81 is a perfect square trinomial.<br> 81x²+_____<br><br> x+81
densk [106]

the blank is 162

since 81 and 81 are both perfect squares the middle term (blank) will be the product of their roots times 2

√81=9

√81 =9

9 x 9 x 2

= 162

6 0
3 years ago
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