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alexdok [17]
3 years ago
8

Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.

Mathematics
1 answer:
bogdanovich [222]3 years ago
6 0
The answer to your question is 2-7x i think
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PLEASE HELP!!! I am struggling
cestrela7 [59]

The ball will be at height 19 feet first at 0.7 sec and then at 1.42 sec.

<u>Explanation:</u>

We need to find the time at which the ball will be at height 19 feet.

Equation:

h = 3 + 34t - 16t²

19 = 3 + 34t - 16t²

16 = -16t² + 34t

-16t² + 34t - 16 = 0

On solving the equation, we get

t1 = 0.7 s and t2 = 1.42s

Therefore, the ball will be at height 19 feet first at 0.7 sec and then at 1.42 sec.

4 0
3 years ago
Show me how to Graph y = 3x + 2
melisa1 [442]
This what it should look like. did you need the steps or no ?

4 0
3 years ago
How many times does 7 go into 37 without going over
Bad White [126]
5 sevens go into 37 withought going over
6 0
3 years ago
Someone help me please! :D
alexandr402 [8]
The angles of a quadrilateral add to 360, so we can solve for x by adding the 4 angle measures together and setting it equal to 360:

90 + 140 + (x - 10) + (x - 20) = 360

Combine like terms:

230 + 2x - 30 = 360

200 + 2x = 360

200 - (200) + 2x = 360 - (200)

2x = 160

Divide both sides by 2:

2x/(2) = 160/(2)

x = 80
3 0
3 years ago
Work out the area of a rectangle with base, <br>b<br>= 22mm and perimeter, <br>P<br>= 64mm.​
Vsevolod [243]

Answer:220mm

Step-by-step explanation:

22x2=44

64-44=20

length =10mm

10mmx22mm=220mm

4 0
3 years ago
Read 2 more answers
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