The graph below shows the solution to which system of inequalities?

Mathematics

1 answer:

Brut [27]2 years ago

7 0

Answer: C
Explanation: Let's find each equation without any inequalities first. We have a dotted line at y = 1, so we can already remove A and B. Now, a dotted line represents exclusivity and hence; it should not include the = sign.

Thus, by elimination, the answer must be C.

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Valeria surveyed 700 of the students in her school about their favorite color. Students could choose between blue and purple. 58

ivolga24 [154]

Answer:

294 people

Step-by-step explanation:

Subtract:100%-58%=42%

42%=.42 (Move the decimal to the left to times to be able to find the decimal of a percent.)

Multiply: 700*.42=294

294 people

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Brainliest?!?!

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1 year ago

A telephone survey uses a random digit dialing machine to call subjects. the random digit dialing machine is expected to reach a

yanalaym [24]

P( $r$ successes in $n$ trials) = ⁿ $C_{r}$ × $[P(Success)^{r}]$ × $[P(failure)]^{n-r}$

We have
$n=8$
$r=2$
$P(Success)=0.15$
$P(Failure)=0.85$

Substitute these values into the formula, we have
P( 2 success in 8 trials) = ⁸C₂ × (0.15)² × (0.85)⁶
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2 years ago

Use the table below to answer this question:

ruslelena [56]

Given:

The table of values.

To find:

The average rate of change for the given function from x = −1 to x = 2.

Solution:

From the given table it is clear that y=-3 at x=-1 and y=3 at x=2.

Formula for average rate of change is

$m=\dfrac{y_2-y_1}{x_2-x_1}$