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Sergeu [11.5K]
3 years ago
9

Help me pls find m<b. also to the best of your ability, pls explain it in your answer.

Mathematics
1 answer:
rewona [7]3 years ago
3 0

The measure of angle B is equal to 60 degrees.

In order to find this, we can first note that the angle C (in the right side triangle) is equal to 80 degrees. We can tell this because it creates a straight line with the other angle C and therefore the two combined give us 180 degrees.

Then we can add angle A, B and C together in the right side triangle to get 180 degrees since they are all the measures of angles in a triangle.

A + B + C = 180

2x + 3x + 80 = 180

5x + 80 = 180

5x = 100

x = 20

Now that we have the x value, we can plug into the equation for B.

B = 3x

B = 3(20)

B = 60

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s2008m [1.1K]

Step-by-step explanation:

it clearly consists of 2 rectangles and 1 triangle (as you tried correctly to point out by drawing the separating lines).

we only need to calculate all 3 areas and add them up for the total.

the area of a rectangle is

length × width

so, in our 2 cases we have

6 × 2 = 12 km²

5 × (3 + 2 + 3) = 5×8 = 40 km²

the area of a triangle is

baseline × height / 2

in case of a right-angled triangle the 2 sides enclosing the 90° angle can be used as baseline and height.

so, in our case

6 × (5 + 2 + (3 + 2 + 3 - 2)) / 2 = 6×(7 + 6)/2 = 3×13 = 39 km²

in total, the whole area is

12 + 40 + 39 = 91 km²

4 0
2 years ago
natalie was out at a restaurant for dinner when the bill came. her dinner came to $29. after tipping in a tip, before tax, she p
Free_Kalibri [48]

Answer:

%18 tip

Step-by-step explanation:

The dinner cost was $29 before tip

after tip it was $32.22

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After solving this equation, the x is %18

3 0
3 years ago
What is the anwere to this problem in the simple form
Deffense [45]
It is in simple form. There is absolutely nothing more that can be done, unless it is a joke. And math jokes are very hard to come by.

I don't think that y(y - 1)/(a + 2b) is any simpler.

Come to think of it, is that x^2 or y^2 on the top left. 
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5 0
3 years ago
14.624 divided by 2=<br><br> (Show the work/Step-by-step, please)
Viktor [21]

Answer: 7.312

Step-by-step explanation: Hope this helped but you have to first divide 4/2 which makes 2, then 2/2 which is 1, 6/2 which makes 3, then 14/2 which makes 7

4/2= 2

2/2=1

6/2=3

14/2=7

7.312

7 0
3 years ago
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Vitek1552 [10]

Answer:

Cost of the manicure= $27

Step-by-step explanation:

Giving the following information:

Darcy gave her nail technician a ​$5.40 tip. The tip was 20% of the cost of the manicure

<u>To calculate the cost of the manicure, we need to use the following formula:</u>

Cost of the manicure= tip / tip percentage

Cost of the manicure= $27

3 0
3 years ago
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