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muminat
2 years ago
10

Find the measure of the missing angles

Mathematics
2 answers:
maxonik [38]2 years ago
5 0

f= 77°
d=75°
e=28°
they are vertical angles
Alinara [238K]2 years ago
4 0
All the angles are vertical
F= 77
D= 75
E=28
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Help me please will be appreciated thx
alexandr1967 [171]

Answer:

-6 +8d -2c

Step-by-step explanation:

\frac{-2}{5} (15 -20d +5c) = \frac{-2}{5} \times 15 - \frac{-2}{5}\times20d +\frac{-2}{5}\times5c = -6 + 8d -2c

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3 years ago
The amount of time needed to complete a certain road trip, t, varies inversely with the speed of a
JulsSmile [24]

Answer:

x = 60

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3 years ago
7. Evaluate this expression if x=-2*<br> 3x2 - 4x
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8 0
3 years ago
Help me out please and thank you
faust18 [17]
<h3>Answer: 1</h3>

========================================================

Explanation:

We're given the height in relation to base BC, so we need to find the length of this base. This is the same as finding the distance from B to C.

Turn to the distance formula

d = \text{Distance from B to C}\\\\d = \sqrt{(x_1-x_2)^2+(y_1-y^2)^2}\\\\d = \sqrt{(-2-(-3))^2+(-1-(-2))^2}\\\\d = \sqrt{(-2+3)^2+(-1+2)^2}\\\\d = \sqrt{(1)^2+(1)^2}\\\\d = \sqrt{1+1}\\\\d = \sqrt{2}\\\\

Coincidentally, the base and height are the same. This won't always be the case.

Now we can find the area of the triangle

A = \text{Area of triangle}\\\\A = \frac{1}{2}*\text{Base}*\text{Height}\\\\A = \frac{1}{2}*\sqrt{2}*\sqrt{2}\\\\A = \frac{1}{2}*\sqrt{2*2}\\\\A = \frac{1}{2}*\sqrt{4}\\\\A = \frac{1}{2}*2\\\\A = 1\\\\

The area of the triangle is 1 square unit.

See diagram below.

5 0
3 years ago
What Numbers Go Into 515 ? 
Pavel [41]
5 will go into 515, 103 times.
3 0
3 years ago
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