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Anettt [7]
3 years ago
7

ABCD is a rectangle. Find the measure of angle CBD.

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0

Answer:

60 degrees

Step-by-step explanation:

BWA is an isosceles triangle, meaning that BW and WA are equal in length.

Thus, we have that ABW and WAB are congruent to each other.

ABC is a complementary angle,  so ABW and CBD add up to 90 degrees.

ABW is 30 degrees, so we have 30 degrees+ CBD=90 degrees.

Subtracting thirty degrees from both sides we get CBD=60 degrees.

Hope this helps!

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10, 15, 22.5, 33.75.... what’s next?<br> .
Sergio039 [100]

Answer:

50.625

Step-by-step explanation:

1) 10/2=5

10+5= 15

2) 15/2 = 7.5

15+7.5 = 22.5

3) 22.5/2 = 11.25

22.5+11.25= 33.75

4) Answer:  33.75/2 = 16.875

33.75+16.875 = 50.625

3 0
3 years ago
A guy-wire is attached from the ground to the top of a pole for support. If the angle of elevation to the pole is 67° and the wi
m_a_m_a [10]
You can solve this problem and calculate the height of the pole, by following the steps below:
 
 Tan(α)=Opposite leg/Adjacent leg
 
 α is the angle of elevation (α=<span>67°).
</span> The opposite leg is <span>the height of the pole. Let's call it "x".
</span> Adjacent leg=137 feet
 
 When you substitute these values into the formula Tan(α)=Opposite leg/Adjacent leg, you have:
 
 Tan(α)=Opposite leg/Adjacent leg
 Tan(67°)=x/137
 
 You must clear the "x"
 
 x=137xTan(67°)
 x=322.75
 
 W<span>hat is the height of the pole?</span> 
 
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5 0
3 years ago
Which function has the same range as f(x)=-2√x-3+8?
inysia [295]

Answer:

Jul 9, 2017 - First lets find the range of -2 sqrt(x - 3) + 8x cannot be &lt; 3 or f(x) would not be real when x = 3 f(x) = 8 and for all other values of x f(x)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Which is smallest 0.8 or 0.81?
schepotkina [342]
0.8 is smaller than 0.81 by the 0.01
6 0
3 years ago
Read 2 more answers
How many batches of cookies can Robert make?
Finger [1]

Answer:

5 batches

Step-by-step explanation:

For this you need to divide the 2 fractions, and what ever you get will be the answer.

4\frac{1}{2}÷\frac{3}{4}

First make the mixed fraction into a improper fraction.

\frac{9}{2}×\frac{4}{3}=\frac{36}{6} =\frac{5}{1} =5

<u>Final answer</u>

5 batches

7 0
4 years ago
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