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eimsori [14]
4 years ago
13

11x^2-10x-1 x^2-13x +40 4x^3+2x^2- 6x

Mathematics
1 answer:
Leni [432]4 years ago
3 0
I assume you want to solve theses equations:

a. x=1,-0.09
b. x=8, 5
c. x=1, 0
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PLEASE HELP I DONT UNDERSTAND ILL GIVE MORE IF ITS RIGHT
erastova [34]

Answer:

17ft

Step-by-step explanation:

What you're going to do is solve this backwards so to find volume the eqation is v=(pir^2)h, so what you're going to do is:

833pi=(pi7^2)h                 you cross out pi and square 7                           833=49*h                         then you divide 49 from both sides and get 17

8 0
3 years ago
Find the equation of a line in slope-intercept form that passes through the points (-2, 20) and (3, -10).
solniwko [45]
Simple...

you have: (-2,20) and (3,-10,)

Using \frac{ y_{1}- y_{2}  }{ x_{1}-  x_{2} } to find slope--->>>

\frac{20--10}{-2-3} = \frac{30}{-5}

=-6

m=-6

Using y=mx+b to find the equation of the line-->>>(Use any of the coordinates)

(-2,20)

20=-6(-2)+b

20=12+b

20=12+b
-12  -12

8=b

y=-6x+8

Thus, your answer.




4 0
4 years ago
Write 7.4 as a mixed number and as an improper fraction. Do not try to simplify your answers.
Brut [27]
<span>Write 7.4 as a mixed number and as an improper fraction. Do not try to simplify your answers. 
</span>
The answer is 37/5                                             
5 0
4 years ago
Read 2 more answers
2a. A bicycle is $85. The tax is 6%. How much is the tax?<br> 7
iVinArrow [24]
Answer = $5.10
85 x 0.06 = $5.10
8 0
3 years ago
In the figure QU=ST<br> What is the length of QR?
marysya [2.9K]

Answer:

the answer is 80

Step-by-step explanation:

QR=ST: 7x+3=5x+25

2x=22

x=11

7(11)+3=80      5(11)+25=80

3 0
2 years ago
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