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jekas [21]
4 years ago
6

ASAP DUE SOON

Mathematics
1 answer:
MrRissso [65]4 years ago
7 0

Answer:

See explanation

Step-by-step explanation:

First image with two graphs:

1. This is a function (Yes)

The domain is x\in [-5,5)

The range is y\in (-2,2]

2 (that graph from the third image). This is not a function (No)

The domain of this relation is x\in (-3,5]

The range is y\in (-2,2)

Second image (parabola):

This is a function (Yes)

The domain is x\in (-\infty, \infty)

The range is y\in (-\infty,0]

Fourth image (cubic parabola):

This is a function (Yes)

The domain is x\in (-4,3)

The range is y\in (-2,4)

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How many ways can you make a dollar with 3 quarters 6 dimes and 8 nickels?​
melamori03 [73]

Answer:

3

Step-by-step explanation:

3 quarters + 2 dimes + 1 nickel = 1 dollar

6 dimes + 8 nickels = 1 dollar

7 nickels + 2 quarters + 1 dime = 1 dollar

I think that is all, I hope this helps!

8 0
3 years ago
Read 2 more answers
Help<br> -9x + 3.0 &gt; 6.6<br> Group of answer choices<br><br> x 0.4<br><br> x 2.4
Y_Kistochka [10]

Answer:

x  0.4

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

3 0
3 years ago
the cost of an ice cream sundae is 4.75$ plus 30 cents per topping. megan spends $6.26 on her sundae how many toppings did he ge
alexgriva [62]

Answer:

5

Step-by-step explanation:

$4.75 + 0.3x = $6.26

0.3x = 1.51

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4 0
3 years ago
Find the equation of the line that is parallel toy=32x−5
Alona [7]

Answer:

d/dx ( 32x - 5)

Step-by-step explanation:

i think this is right please tell me if its not

8 0
3 years ago
When are conclusions said to be​ statistically significant?
mars1129 [50]

Answer:

If the p-value is less than a given significance level, you reject the null hypothesis and accept the alternative hypothesis.

Step-by-step explanation:

Suppose you have a business in which you'd like to make a change to increase your business. After making the change, you can use a significance test it. To conduct a significance test, you make a null hypothesis which states essentially that no effect happened. You also make an alternative hypothesis that states the change had an effect. You then test the two to see which one stands. In a significance test, using the p-value from your sample you compare it to the null and alternative hypotheses. You make a conclusion when:

  • If the p-value is less than a given significance level, you reject the null hypothesis and accept the alternative hypothesis since the evidence is in favor of it.

If the p-value is greater than the significance level, then you fail to reject the null hypothesis and cannot conclude. There isn't evidence in favor of the alternative hypothesis.

8 0
3 years ago
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