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Marianna [84]
3 years ago
8

Select the two values of x that are roots of this equation 2x2+7x+6=0

Mathematics
1 answer:
son4ous [18]3 years ago
6 0

Answer:

I solved the question in three methods factorization, completing the square and quadratic equation . the continuation of completing the square is on the next page titled page 3

hope it helps

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Evelyn can run 3 miles in 40 minutes. Which equation can be solved to find m, the number of miles Evelyn can run in 60 minutes?
inna [77]

Answer:

m= 4.5 miles

Step-by-step explanation:

Let the number of miles Evelyn can run be m and can be modeled by the equation below

m= kx

Where x Is the Minutes

When m= 3

x= 40

3= k40

k= 3/40

If x= 60

m=3/40(60)

m = (60*3)/40

m= 180/40

m= 4.5 miles

7 0
2 years ago
What is the circumference of a circle with a diameter of 7 inches? (use for pi)
Marrrta [24]

Answer:

21.9

Step-by-step explanation:

circumference = pi x diameter

3.14 x 7 = 21.9

3 0
3 years ago
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Mr. X has 12 students in his math class. Last Friday they took a test covering everything that they have learned in math class s
Ierofanga [76]
1/4 of the students have a B, so there are 12 people in the class so what you would do is divide 12 by 4 and get an answer of 3 so 3 people got a B
6 0
3 years ago
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Which of the following equations represents a line that passes through the points​
Xelga [282]

Answer:

C) I only

Step-by-step explanation:

( -1, -2) and (0,4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4+2)/(0+1)

m=6/1

m=6

Slope-intercept:

y - y1 = m(x - x1)

y + 2 = 6(x + 1)

y + 2 = 6x + 6

y = 6x + 4

y - 16 = 6(x - 2)

y - 16 = 6x - 12

y = 6x + 4

6 0
2 years ago
Find the area of the figure<br><br>​
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Answer:

area = 92 yd²

Step-by-step explanation:

13x8 = 104

3x8x0.5 = 12

104 - 12 = 92 yd²

7 0
3 years ago
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