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larisa86 [58]
3 years ago
14

Help no links please

Mathematics
1 answer:
Ludmilka [50]3 years ago
3 0

Answer:

180

Step-by-step explanation:

The difference between 68 and 23 is 45. The company charging 23$ has to be 45$ more for the amount of hours. When you multiply 180 by .4 you get 72, and when you multiply 180 by .65 you get 117. The difference is 45.

Sorry that I didn't show my work, I don't really know how to do this other than plugging in random numbers and 180 fits so...

Hope this helps!

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Please help me i need this grade !
Illusion [34]

Answer:

C

Step-by-step explanation:

by using a^{2} + b^{2} = c^2 6=a 8=b you would get 100

then \sqrt{100} = 10.

4 0
3 years ago
A recipe for trail mix calls for 3/4 cup dried fruits, 1/2 cup mixed nuts, and 1/3 cup granola. How many cups of trail mix does
lana66690 [7]
Hello! I would love to help!

Alright, we need to add all the fractions the problem gives us in order to find the answer. However, first, we need to find a common denominator.


So, what number can 2, 4, and 3 all go into?

The lowest number is 12. So, let's call 12 our common denominator.

Now, let's turn all the fractions to 12 as the denominator.

3/4= 9/12

1/2= 6/12

1/3 =4/12


Okay! Let's add the new fractions!

9/12+6/12+4/12=19/12


Let's turn it into a mixed number!

1 7/12

That's the answer!


Hope this helps! Comment if you have any questions!
3 0
3 years ago
The data show the list and selling prices for several expensive homes. Find the regression​ equation, letting the first variable
asambeis [7]

Answer:

The best predicted selling price of a home having a list price of ​$22 million is $20.52 million.

Step-by-step explanation:

The missing data is:

List price (<em>x</em>) (millions of $)  

(1) 1.6 (2) 4.2 (3) 2.1 (4) 1.6 (5) 2.3 (6) 4  

Selling price (<em>y</em>) (millions of $)

(1) 2 (2) 4.6 (3) 1.8 (4) 1.9 (5) 2.4 (6) 3.6

Use Excel to perform the regression analysis.

The significance level is, <em>α</em> = 0.05.

The regression output is attached below.

The regression equation is:

\hat y=0.28+0.92x

The value of <em>t</em>-statistic is:

<em>t</em> = 0.676.

The <em>p</em>-value is:

<em>p</em>-value = 0.536

Compute the predicted selling price of a home having a list price of ​$22 million as follows:

\hat y=0.28+0.92x

  =0.28+0.92\times 22\\\\=0.28+20.24\\\\=20.52\ \text{million}

Thus, the best predicted selling price of a home having a list price of ​$22 million is $20.52 million.

8 0
3 years ago
Please help me with unit rate question rRIgHt NOW
Damm [24]
To find a Unit rate you divide both numbers by the denominator which would cause the numerator to be 1 and your answer you got by dividing
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-Rylee
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4 years ago
The ratio of the number of cups of yellow paint to the number of cups of blue paint that Greg mixed to make a shade of green pai
Greeley [361]

why did you delete my answer it was right like if I'm going to waste my time on trying to help you and you delete it that's not ok cause I worked hard on it and it was 100% right so you can stop deleting my answers when I'm wasting my time on you

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