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alisha [4.7K]
3 years ago
11

3x²+5x-10=0 find the values of a,b and c​

Mathematics
1 answer:
vazorg [7]3 years ago
6 0

Answer:

a = 3

b = 5

c = -10

Step-by-step explanation:

ax^2+bx+c

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The base of a solid in the first quadrant of the xy plane is a right triangle bounded by the coordinate axes and the line x + y
Ivahew [28]

The area of an equilateral triangle of side "s" is s^2*sqrt(3)/4. So the volume of the slices in your problem is 

(x - x^2)^2 * sqrt(3)/4. 

Integrating from x = 0 to x = 1, we have 

[(1/3)x^3 - (1/2)x^4 + (1/5)x^5]*sqrt(3)/4 

= (1/30)*sqrt(3)/4 = sqrt(3)/120 = about 0.0144. 

Since this seems quite small, it makes sense to ask what the base area might be...integral from 0 to 1 of (x - x^2) dx = (1/2) - (1/3) = 1/6. Yes, OK, the max height of the triangles occurs where x - x^2 = 1/4, and most of the triangles are quite a bit shorter...

8 0
3 years ago
Kacie has a balance of $10,000 on a loan with an annual interest rate of 8%. To pay off the $10,000 in four years, Kacie will ha
SOVA2 [1]

Kacie has a balance of $10,000 on a loan with an annual interest rate of 8%. To pay off the $10,000 in four years, Kacie will have to make a minimum payment is $244.13 per month. How much will kacie pay in interest over the four year period?

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8 0
3 years ago
How do I do this step by step?<br><br> 3(y-2) +5y = y+22
tatiyna

Answer:

3(Y-2) +5Y =Y+22

3Y-6 +5Y=Y+22

3Y -6 +5Y-Y-22=0

3Y+5Y-Y-6-22=0

7Y-28=0

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Step-by-step explanation:

7 0
3 years ago
What is 21 divided by 2 + 1 times 5 mines 2 to the fourth power?
Sever21 [200]

Answer:

IT is 41.5 heres the steps

Step-by-step explanation:

first step 21 divided by 2 = 10.5

Then you do 10.5 + 1 = 11.5  

then you do 11.5 times 5 =  57.5

Then 2 times 2 times 2 times 2= 16

then 16 - 57.5 = 41.5 is your answer

3 0
3 years ago
Read 2 more answers
Write the expression in complete factored form. 3(a-7)-x(a-7) = (insert answer here)
Brrunno [24]

Answer:

(a - 7)(3 - x)

Step-by-step explanation:

Given

3(a - 7) - x(a - 7) ← factor out (a - 7) from both terms

= (a - 7)(3 - x)

6 0
3 years ago
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