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Drupady [299]
3 years ago
7

Angle ABC and angle CBD are a linear pair. If the measure of angle ABD = the measure of angle CBD = 3x - 6, find x

Mathematics
1 answer:
zavuch27 [327]3 years ago
7 0
Answer is given above

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Find cos theta if sin theta=3/4 and theta lies in quadrant 2
GaryK [48]
By the Pythagorean theorem, the missing side is -sqrt7. The definition of sin is side opposite over hypotenuse, so go into Q2 and make an angle and label the side opposite the angle with a 3 and the hypotenuse a 4. The other leg is -sqrt7 cuz x is negative in Q2. The cosine of an angle is the side adjacent over the hypotenuse, so the cos then is -sqrt7/4
7 0
2 years ago
Active
Ber [7]

Answer:

The expressions for the payment made to Mary are,

(Monday) 90 = 15m + b

(Tuesday) 62 = 8m + b

where m and b are the fee per student and the base fee, respectively. Solving for m and b, the values are 4 and 30.

The equation that represents Mary's earning is

y = 4x + 30

For 20 students,

y = 4(20) + 30 = 110

For Lisa's earnings,

y = 8x + 15

Substituting 20,

y =8(20) + 15 = 175

Thus, Lisa would earn more than Mary by $65.

(Btw this is not my work, I got it from someone else on brainly and wanted to help lol)

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3 years ago
How do you solve 1/4 (8y + 4) -17= 1/2 (4y -8)
Keith_Richards [23]
Well use photo math that will give u the answer and how to work it out
3 0
3 years ago
Suppose that a 2 by 10 rectangular grid of seats is filled with people. On the
weeeeeb [17]

688,747,536 ways in which the people can take the seats.

<h3></h3><h3>How many ways are there for everyone to do this so that at the end of the move, each seat is taken by exactly one person?</h3>

There is a 2 by 10 rectangular greed of seats with people. so there are 2 rows of 10 seats.

When the whistle blows, each person needs to change to an orthogonally adjacent seat.

(This means that the person can go to the seat in front, or the seats in the sides).

This means that, unless for the 4 ends that will have only two options, all the other people (the remaining 16) have 3 options to choose where to sit.

Now, if we take the options that each seat has, and we take the product, we will get:

P = (2)^4*(3)^16 = 688,747,536 ways in which the people can take the seats.

If you want to learn more about combinations:

brainly.com/question/11732255

#SPJ!

5 0
2 years ago
Find the price of a $200 pair of shoes with a 6% Sale tax
Gre4nikov [31]
You multiply the price by 1.06 to get the total cost with tax. That amount is $212
5 0
2 years ago
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