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LiRa [457]
3 years ago
14

An appliance store decreases the price of a 19-in television set 24% to a sale price of $468.16. What was the original price?

Mathematics
1 answer:
ANTONII [103]3 years ago
4 0

The original price of the television was $616.00

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Look at the system of equations below<br> Sy= -2x +3<br> 1 4x – 3y = 11
kompoz [17]

Answer:

(2,-1)

y= -1

x= 2

Step-by-step explanation:

y= -2x+3

4x-3y=11

substitute the value of y into an equation

4x-3(-2x+3)=11

distribute by multiplying numbers in parenthesis by -3

4x+6x-9=11

add 4x to 6x

10x-9=11

add 9 from both sides

10x=20

divide both sides by 10

x=2

substitute the value of x into an equation

y= -2•2+3

multiply -2 to 2

y= -4+3

add -4 to 3 but 4 is negative, so subtract

y= -1

-----------

(2,-1)

-----------

3 0
3 years ago
Academic tenure is when a teaching or research position is given to a professor indefinitely. By removing concerns about job sec
Anarel [89]

Answer:

The correct null hypothesis in words is:

D. The long-run proportion of private colleges in the US, that have tenure-track faculty is 0.5.

H_0: \pi = 0.5

Step-by-step explanation:

He wants to test the claim that the proportion of private schools that have avenues for professors to apply for tenure is significantly higher than 0.5, as happen with the public schools.

Then, the alternative hypothesis is:

H_a: \pi >0.5  

The null hypothesis represents the opposite claim, where the proportion is not significantly higher than 0.5. Then, the null hypothesis is expressed as:

H_0: \pi = 0.5

The correct null hypothesis in words is:

D. The long-run proportion of private colleges in the US, that have tenure-track faculty is 0.5.

4 0
3 years ago
Mix 0.5 cups of yellow and 2 cups of blue need help
ExtremeBDS [4]

Answer:

You just add them together. Sense your mixing yellow and blue there's more blue then there is yellow but anyway you would add the blue 2.0 since it's just two cups and add 0.5 sense it just this amount of yellow together and you get 2.5 because combined together this is the total amount.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the radius with an area of 2.25cm squared?​
vlada-n [284]

Answer:

9 centimeters He said squared And radius...

(づ ̄ ³ ̄)づHave a nice day

8 0
3 years ago
Please help!!! It’s surface area
Zina [86]

Answer:

3466.64   (≈ 3467) cm²

Step-by-step explanation:

A = 2B + 2 sides and floor

A = 2 * (14 * 24) / 2 + 2 * (45 * √14² + 24²) + 45 * 14

A = 336 + 2500.64 + 630 = 3466.64   (≈ 3467)

6 0
3 years ago
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