3 years ago

What is the value of x? Enter your answer in the box. x =

Mathematics

1 answer:

Dominik [7]3 years ago

8 0

What is the equation
since x can be anything

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the average rate of change of the function f(x) on the interval -3≤x≤3 is -2.5. If (-3)=14 then which of the following is the va

oksian1 [2.3K]

The average rate of change of f(x) on -3 ≤ x ≤ 3 is given to be

(f (3) - f (-3)) / (3 - (-3)) = -2.5

If f (-3) = 14, then

(f (3) - 14) / (3 + 3) = -2.5

(f (3) - 14) / 6 = -2.5

f (3) - 14 = -15

f (3) = -1

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3 years ago

Which phrase is a description of 7n+11?

ivann1987 [24]

Answer:

n=18

Step-by-step explanation:

7n+11?

n=7+11

7+11=18

n=18

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2 years ago

PLEASE HELP ME SOLVE THIS ILL GIVE BRAINLIST ❗️

neonofarm [45]

Answer:

x=money

Step-by-step explanation:

3<=x<=4 (<= means greater than or equal to)

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2 years ago

Elimination method: ax+by=r, -bx+cy=s

Alex17521 [72]

$\left[\begin{array}{ccc}ax+by=r\\\\-bx+cy=s\end{array}\right]$

Isolate x for $ax+by=r$

$x= \frac{r-by}{a} ; a \neq 0$

Subsititute $x= \frac{r-by}{a}$

$-b \frac{r-by}{a} +cy=s$

Isolate r for : $-b \frac{r-by}{a}+cy=s$

$r=- \frac{as-acy-b^2y}{b} ; a \neq 0;b \neq 0$

For x : $\frac{r-by}{a}$

Subsititute r = $- \frac{as-acy-b^2y}{b}$

$x= -\frac{as-acy-b^2y}{b}/a$

$x = \frac{cy-s}{b}$

The solutions to the system of equations are:

$r= -\frac{as-acy-b^2y}{b}$ and $x = \frac{cy-s}{b}$

hope this helps!

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2 years ago

Jesse and mark are jogging along the route shown at a rate of 12 miles per hour. they start by jogging south along capitol stree

kotykmax [81]

Answer:

12457

Step-by-step explanation:

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2 years ago

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