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7nadin3 [17]
2 years ago
8

Can someone please help?? what’s the measure of the vertex angle

Mathematics
1 answer:
maw [93]2 years ago
7 0

Answer:

120 deg

Step-by-step explanation:

There is an angle symbol in the equilateral triangle and another symbol in half of the vertex angle. Those two angles are congruent.

The measure of the vertex angle is 2 * 60 deg = 120 deg

Answer: 120 deg

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qaws [65]

Answer:

angle 3 = 80°

Step-by-step explanation:

here , angle 3 = angle 7 ( corresponding angles )

so ,

=》 x + 50 = 2x + 20

=》2x - x = 50 - 20

=》 x = 30°

so angle 3 = x + 50 = 30 + 50 = 80°

i hope it helped.

6 0
3 years ago
How many liters of water must Sharon add to 2 liters of a sugar and water solution that is 36% sugar to create a solution that i
Dahasolnce [82]

The amount of sugar x in the starting solution contributes to a 36% concentration, so we have

\dfrac x2=0.36\implies x=0.64

units of sugar in the solution.

Into this solution, Sharon wants to pour y liters of water to obtain a smaller concentration of sugar in the overall solution:

\dfrac{0.64}{2+y}=0.12\implies\dfrac{16}3=2+y\implies y=\dfrac{10}3\approx3.33

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3 years ago
Find the product. 3(m n)
Mkey [24]
<span>product. 3(m n) = 3mn</span>
5 0
3 years ago
Which numbers are the extremes of the proportion 3/4=6/8
ki77a [65]

Answer:it’s 3 and 8

Step-by-step explanation:

8 0
3 years ago
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Solve the equations if possible <br><br> * -5×=×+6(1-×)<br><br> *(2×-5)²=(2×-1)(2×+1)-10(2×-1)
Allushta [10]
-5x = x + 6(1-x)

-5x = x + 6(1) + 6(-x)
-5x = x + 6 -6x
-5x = x - 6x + 6
-5x = -5x + 6
-5x + 5x = 6
0 = 6  Not equal. No solution.

(2x-5)² = (2x-1)(2x+1) -10(2x-1)
(2x-5)(2x-5) = (2x-1)(2x+1) - 20x + 10
2x(2x-5)-5(2x-5) = 2x(2x+1)-1(2x+1) - 20x + 10
4x² - 10x -10x + 25 = 4x² + 2x - 2x -1 - 20x + 10
4x² - 20x + 25 = 4x² - 20x - 1 + 10
4x² - 20x + 25 = 4x² - 20x - 9

Not equal. No solution.

8 0
3 years ago
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