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Alex_Xolod [135]
3 years ago
9

Given A || B

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
6 0

Answer:

x = 24

Angle 1 = 101°

Angle 2 = 79°

Angle 3 = 101°

Angle 4 = 101°

Angle 5 = 79°

Angle 6 = 79°

Angle 7 = 89°

Angle 8 = 89°

angle 2 and 3 are supplementary

that means the sum of these angles are both equal 180°

Step-by-step explanation:

4x + 5 + 3x + 7 = 180

4x + 3x = 180 - 5 - 7

7x = 168

x = 168/7

x = 24

4*24 + 5 = 101

3*24 + 7 = 79

5*24 - 29 = 91

3*24 + 19 = 91

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Convert y=9 from rectangular to polar form
Crazy boy [7]

Answer:

r = 9/sin Ф or r = 9 csc Ф

Step-by-step explanation:

The polar form is represented as:

x = r cos Ф and

y = r sin Ф

We are given:

y = 9

Putting value in y = r sin Ф

9 = r sin Ф

=> r = 9/sin Ф

1/sin Ф = csc Ф

or, r = 9 csc Ф

5 0
2 years ago
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netineya [11]

Answer:

% Change = (87.5 - 125) / 125 * 100%

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4 0
3 years ago
I need help with this problem problem plz
patriot [66]
D)300% because it is an increase so you'd do 240/80=3•100=300
5 0
3 years ago
Quadrilateral ABCD is inscribed in the circle. Which sentence is true?
astra-53 [7]

Answer:

A) A and B are supplementary

Step-by-step explanation:

we know that

For any inscribed  quadrilateral in the circle , opposite angles will be supplementary

so

In this problem

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m\angle B+m\angle D=180^o

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<u><em>The sentences that are true </em></u>

A) A and B are supplementary

3 0
3 years ago
Chelsea has four hours of free time on Saturday. She would like to spend no more than 2/3 of an hour on each activity. How many
Galina-37 [17]
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4 0
3 years ago
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