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Pepsi [2]
3 years ago
7

V^2+3v-5=0 Round to nearest hundredth

Mathematics
1 answer:
natulia [17]3 years ago
6 0
V² + 3v - 5 = 0
v = -(3) ± √((3)² - 4(1)(-5))
                    2(1)
v = -3 ± √(9 + 20)
                2
v = -3 ± √(29)
            2
v = -3 ± 5.38
            2
v = -1.5 ± 2.69
v = -1.5 + 2.69    or    v = -1.5 - 2.69
v = 1.19    or    v = -3.19
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How do i do it? Thank you for helping
castortr0y [4]

Answer:

a) 42. b) 64. c) 39.

Step-by-step explanation:

a. 6 x 7 = 42

b. 8 x 8 = 64

c. 3 x 13 = 39

8 0
3 years ago
PLS HELP ME ASAP!!! THANKS!!
MariettaO [177]
I believe it’s a and c
5 0
3 years ago
The |6f|= -2 I don't understand what to do
aleksandr82 [10.1K]
First you are going to solve for f. 

6f = -2 

you must get f alone so you divide both sides of the equation by 6 which becomes ....


f = -3


now you add the absolute value sign to -3. absolute value is how far away your answer is from 0. -3 is 3 away from zero so f = 3


8 0
3 years ago
The difference between the roots of the quadratic equation x^2−12x+q=0 is 2. Find q.
shtirl [24]

Answer:

  • The required value of q is 35.

Step-by-step explanation:

Let α and β are the zeros of quadratic equation, x^2−12x+q=0.

  • It is given that difference between the roots of the quadratic equation x^2−12x+q=0 is 2.

Equation : α - β = 2

Equation : α + β = 12

Equation : αβ = q

We have to create an algebraic expression.

(a+b)² = (a-b)² + 4ab

(12)² = (2)² + 4q

144 = 4 + 4q

144 - 4 =4q

140=4q

q = 140/4

q = 35

Therefore, the required value of q is 35.

<u>Some information about zeroes of quadratic equation. </u>

  • Sum of zeroes = -b/a
  • Product of Zeroes = c/a
5 0
3 years ago
You need to create a fenced off region of land for cattle to graze. The grazing area must be a total of 500 square feet, surroun
gtnhenbr [62]
Part 1 : A=1/2 ap  P= 2A/a = 1000/10 = 100 ft.
​Part 2 : (100 ft.)($7.95/ft) = $795
​I'm not sure for part 3.
4 0
3 years ago
Read 2 more answers
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