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cricket20 [7]
3 years ago
11

I will upvote and give brainliest answer

Mathematics
1 answer:
sesenic [268]3 years ago
4 0

Answer:

50

Step-by-step explanation:

Line ED is a straight line.  This means that it is 180.  The other two angles combined are 130.  Subtract 180 from 130 and you will get 50.

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Jenny's math grades are 95, 82, 75, 100, 67, 89, 75, 80, 91, and 70. Make a stem and leaf plot for these grades.
11111nata11111 [884]

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7 0
3 years ago
Read 2 more answers
PLEASE someone help its due tonight im almost done
marusya05 [52]
<h3>Answers:</h3>
  • 48 seconds
  • 3624 feet

========================================================

Explanation:

x = number of seconds that elapse

y = altitude (aka height) of the plane

The equation for plane A is

y = 20.25x+2652

because it starts off at 2652 ft in the air, and then adds on 20.25 feet per second which is what the 20.25x describes

The equation for plane B is

y = 75.5x

The y intercept is zero because plane B starts on the ground, aka height 0.

------------------

The system of equations is

\begin{cases}y = 20.25x+2652\\y = 75.5x\end{cases}

If we want to know when they'll reach the same height (y), then we can set the two right hand sides equal to each other and solve for x.

75.5x = 20.25x+2652

75.5x-20.25x = 2652

55.25x = 2652

x = (2652)/(55.25)

x = 48

The two planes reach the same altitude at exactly <u>48 seconds</u>

That altitude is <u>3624 feet</u> because

  • y = 20.25*x + 2652 = 20.25*48+2652 = 3624
  • y = 75.5*x = 75.5*48 = 3624

Notice I plugged x = 48 into each equation and I got the same y value of y = 3624. This helps confirm the answers.

7 0
2 years ago
HELP plsss if I don’t answer this I can’t go to lunch
zhannawk [14.2K]
7/g This is the correct answer to your problem
3 0
3 years ago
What is the measure of angle B in the triangle?<br>will give brainliest
spayn [35]
The angles of a triangle always add up to 180°.

120 + x + 16 + x = 180

Add up the values.

136 + 2x = 180

Subtract 136 from both sides.

2x = 44

Divide both sides by 2.

x = 22
3 0
3 years ago
John haf 99 more stickers than Sally. Sally then gave John 36 more stickers. How many more stickers would John have than Sally i
densk [106]
Hi,

John haves 99 stickers. If Sally gave him 36 more that means john haves 99 + 36 = 135 more stickers than Sally.

Hope this helps.
r3t40
5 0
3 years ago
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