4 years ago

Solve for x. 2x^2=2x-3

1 answer:

6 0

There are no real solutions

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Mashcka [7]

Solution: Let x be the height of a student in Marta's class.

The mean height of 18 students in Marta's class is 60 inches

We know that:

$Mean = \frac{\sum x_{i}}{n}$

$60 = \frac{\sum x_{i}}{18}$

$60 \times 18 = \sum x_{i}$

$\sum x_{i} = 1080$

Therefore, the total measure of all 18 student's heights is 1080 inches

6 0

3 years ago

coldgirl [10]

<span>F(x)=3x+5/c

</span>F(a+2)=3(a+2)+5/c
or
F(a+2)=3a + 6 + 5/c

3 0

3 years ago

Ksenya-84 [330]

4/8 or 1/2

hope this helped

5 0

3 years ago

QveST [7]

I believe it’s 5x7=35

8 0

3 years ago

ozzi

Answer:

8 and 1/4

Step-by-step explanation:

10 3/4 - 2 1/2

3/4 - 1/2 = 1/4

10 - 2 = 8

3 0

3 years ago