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raketka [301]
3 years ago
11

Check for understanding. need help with all 3. PLS HELP

Mathematics
1 answer:
Dominik [7]3 years ago
8 0

1. X=5

2. X=-5

3. Y=10

Step-by-step explanation:

those are the answers

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in circle O the radius is 4ft and the measure of minor arc ab is 120 degrees find the length of minor arc ab to the nearest inte
KIM [24]

Answer:

8\:\text{ft}

Step-by-step explanation:

The length of the arc is proportional to the degree measure it in encompasses. Since there are 360 degrees in a circle and the arc is 120 degrees, the arc's length will be \frac{120}{360}=\frac{1}{3} of the circle's length (circumference).

The circumference of a circle is given by 2\pi r, where r is the radius of the circle. Therefore, the circumference of the circle is 2\pi(4)=8\pi. As we found earlier, the length of the arc is \frac{1}{3} of this circumference. Therefore, the arc's length is 8\pi\cdot \frac{1}{3}=\frac{8\pi}{3}.

To the nearest integer, this is \approx \boxed{8\:\text{ft}}.

4 0
3 years ago
Which sequence of transformations will produce similar but not congruent figures?
RoseWind [281]
A dilation would produce<span> a </span>similar figure. Therefore, the sequence of transformations that will produce a similar but not congruent figures would be the first and the third option. Figure TUVWX is dilated by a scale factor of 6 and then rotated 90° counterclockwise around the origin; and f<span>igure TUVWX is reflected across the x-axis and dilated by a scale factor of 7. Hope this answers your question.</span>
3 0
3 years ago
What is the solution to the equation 9 cubed x ≈ 7?
yulyashka [42]

<u>Answer</u>

7/729


<u>Explanation</u>

The question requires to you to find the value of x.

9³x = 7

729 x = 7

x = 7/729

4 0
3 years ago
Someone pls help im new tysm if you do!
vovikov84 [41]

Answer:

-24 is your answer<3.....

8 0
2 years ago
Read 2 more answers
3x + 2.5 = 6.1 What is x ?
Natalija [7]

Answer:x=1.2

Step-by-step explanation:

3x+2.5=6.1

3x=6.1-2.5

3x=3.6

x=1.2

6 0
3 years ago
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