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Arlecino [84]
3 years ago
6

HELP!!!! I need an answer soon, please!!! I will give Brainliest!!!!

Mathematics
1 answer:
sattari [20]3 years ago
7 0

Answer:

180

Step-by-step explanation:

In this drawing I made, I added some variables. a and d are complimentary, meanwhile b and c are complimentary. A straight line is an angle of 180 degrees. Therefore, a + b = 180.

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Someone please help me out with this, thank you!
zaharov [31]

Answer:

(2,-2)

Step-by-step explanation:

the x-intercept is 2

and y-intercept is-2

x-intercept is when you have a number comma 0 e.g 3,0. 2,0

y-intercept is when u have 0 comma a number e.g 0,2 0,-5



3 0
3 years ago
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.65, and they leave a 20% ti
MArishka [77]
The total tip is 15.72

The cost of dinner with the discount is 66.85 (rounded to the nearest cent) 

66.85 + 15.72 = 82.57
7 0
3 years ago
There are blue, red and green pencils in the box—20 pencils total. There are 6 times more green pencils than blue pencils. There
lana [24]

Answer:

You have to take 15 pens to get at least one red pencil.

Step-by-step explanation:

If there were one red and 6 green pens, there would be more red than green pens.

If there were 3 or more blue and thus 18 or more green pens, the number of pens would be over 20.

So there must be 2 blue, 12 green and thus 6 red pencils. So you have to take at least 15 pens to be sure that you got a red one.

5 0
3 years ago
A train traveled 210 mi in 3.5 h to its first stop. It then continued on traveling another 130 mi in 2.5 h.
11111nata11111 [884]

Answer:

56.7 ​ mi/h​


Step-by-step explanation:

The formula for average speed is:

Average Speed = \frac{TotalDistance}{TotalTime}


Thus we have:

Average Speed = \frac{210+130}{3.5+2.5}\\=\frac{340}{6}\\=56.66 mph


<em>Rounding to the nearest tenth, we have </em>

Average Speed = 56.7 mi/h

7 0
3 years ago
Read 2 more answers
A square with side lengths of 3 cm is reflected vertically over a horizontal line of reflection that is 2 cm below the bottom ed
oksian1 [2.3K]

Answer:

a) 4 cm

b) 5 cm

c) 10 cm

Step-by-step explanation:

The side lengths of the reflected square are equal to the original, and the distance from the axis(2) also remains the same.  From there, it is just addition.

Hope it helps <3

5 0
2 years ago
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