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Sati [7]
3 years ago
11

I dont understand how to explain this. ​

Mathematics
1 answer:
podryga [215]3 years ago
6 0

Answer:

Angle F is 50° because their side lengths are different but the angle measurements did not change. All triangles add up to 180 degrees and a right angle is 90 and it gives you the other angle measurement. So you would do 40 plus 90 which would get you 130. To find the last angle you would do 180 minus 130 which is 50. Angle F is 50 degrees.  

Step-by-step explanation:

this is what i would say

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Item 1
AleksandrR [38]

It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.

8 0
2 years ago
SHOW WORK PLS.<br> y = x ^ 2 - x - 11<br> y = - x - 7<br> solve by substitution!
slava [35]
X^2-x-11=-x-7
X^2-11=-7
X^2=4
X=2 (4 was reduced to 2 after the equation was square rooted)
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3 0
2 years ago
What is the 30°-60°-right triangle theorem?
kondaur [170]
<span>the 30°-60°-right triangle theorem states that the 
</span>In a right triangle, the hypotenuse is twice as long as a leg if and only if the measure of the
<span>angle opposite that leg is 30°
so the option C is correct from above all
</span>see the figure
hope it helps

4 0
2 years ago
Question:<br><br>|x-2|, if x &gt; 5<br> simplify without the absolute value sign
nikitadnepr [17]

Answer:

x - 2, if x > 5

Step-by-step explanation:

The vertical lines either side of the expression mean absolute value.

The absolute value of a number is its <u>positive numerical value</u>.

if x > 5 then as 5 > 2, the values inside the vertical lines will always be positive.  Therefore, we can disregard the absolute value.

Therefore:  

x - 2,  if x > 5

To find the range (output values) of the expression, substitute x = 5 into the expression:

⇒ 5 - 2 = 3

Therefore, |x - 2| > 3,  if x > 5

5 0
2 years ago
The diameter of the circle above is 94 cm. what is the circumference of the circle? (use = 3.14.)
Anon25 [30]
To find the circumference, you multiply the diameter by pi (3.14).

94 * 3.14 = 295.16

Hope this helps!
5 0
3 years ago
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