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Murrr4er [49]
2 years ago
15

PLEASE HELP NO LINKS PLEASE

Mathematics
1 answer:
statuscvo [17]2 years ago
5 0

Answer:

x < -2

Step-by-step explanation:

its less than x, open circle

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What is this?!?!? Need an answer in 24hrs please.
iris [78.8K]

Answer:

X

Step-by-step explanation:

To be a function, the line has to pass the vertical line test. This means that when a vertical line is passed through every x value, it will only cross the graphed line once.

To help: draw vertical lines through each graph.

In graph W: the line would pass through the top and bottom of the circle - not a function

In graph X: the line passes once through every area - a function

In graph Y: the line passes through the top curve as well as the bottom curve - not a function

In graph Z: the line passes through the curves multiple times - not a function

6 0
3 years ago
Help me with this question pleasee
Liono4ka [1.6K]

Answer:

√23 = a

Step-by-step explanation:

/ab/²= /ac/²+/bc/² (Pythagoras theorem)

12² = a² +11²

144 = a² + 121

144 - 121 = a²

23 = a²

√23 = a

7 0
3 years ago
Solve the system by the substitution. 8x-3y=-22 y=5x+19
LiRa [457]
Substitute y in 8x - 3y = -22.

8x - 3(5x + 19) = -22
Simplify.
8x - 15x - 57 = -22
Simplify.
-7x - 57 = -22
Add 57 to both sides.
-7x = 35
Divide both sides by -7.
x = -5

Substitute x in y = 5x + 19.

y = 5(-5) + 19
y = -25 + 19
y = -6

The solution is (-5, -6).
5 0
3 years ago
Read 2 more answers
Oliver downloaded 15 apps for her phone that altogether, used 2,806 MB of space. If each app used the same amount of space, abou
shepuryov [24]

Step-by-step explanation:

I guess the answer is 187MB

4 0
3 years ago
In a standard normal distribution, what z value corresponds to 17% of the data between the mean and the z value?
hjlf
You're looking for a value z such that

\mathbb P(0

Because the distribution is symmetric, the value of z in either case will be the same.

Now, because the distribution is continuous, you have that

0.17=\mathbb P(0

The mean for the standard normal distribution is 0, and because the distribution is symmetric about its mean, it follows that \mathbb P(Z.

0.17=\mathbb P(Z

You can consult a z score table to find the corresponding score for this probability. It turns out to be z\approx0.4399.
4 0
3 years ago
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