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GREYUIT [131]
3 years ago
13

Y = -3x2 + 10 Is it a function

Mathematics
2 answers:
Step2247 [10]3 years ago
4 0
Yes because none of the x values repeat itself
omeli [17]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

if the equation is -3 times 2 + 10 you get -6+10=4

y=4 is a horizontal line. It passes the vertical line test so this is a function

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Larry and Donna bought a sofa at the sale price of $1,344. The original price of the sofa was $1,920. Find the discount rate
velikii [3]

Answer:

30% discount

Step-by-step explanation:

To find the percent discount write a proportion.

\frac{1344}{1920}=\frac{x}{100}

Cross multiply numerator with denominator of each fraction to solve for x.

1344(100) = 1920(x)

134400 = 1920x

70 = x

This means you pay 70% of the price. The discount was 30%.

8 0
3 years ago
A boat is 10 miles away from a lighthouse that sits on top of a coral reef with a 4 mile radius. At what angle does the captain
lora16 [44]

Answer:

n

Step-by-step explanation:

233

4 0
2 years ago
One half of a number less than six is greater than or equal to ten
Colt1911 [192]

Answer:

5 is half of ten hope it helps

3 0
3 years ago
Total liabilities of $5000000. Net worth balance4000000. Calculate the debt to worth ratio?
blagie [28]

Answer:

5/4 or   1   1/5

Step-by-step explanation:

remove the zeros and you get 5/4 or   1  1/5

7 0
3 years ago
Whats the answer to these? (These are called Proper fractions.)
Darya [45]

Answer to the first question: 7/10ths of a mile

Explaination: When adding fractions, you need to have a common denominator. Since dividing 3/10 by 2 to get a denominator of 5 makes 3 a decimal, it's easier to multiply 2/5 by 2 to get a denominator of 10. You do the same to the top that you do to the bottom: \frac{2*2}{5*2} = \frac{4}{10}. From there, just add 4/10 and 3/10 to get the answer: 7/10ths of a mile.

Answer to the second question: Daniel read three (3/10) more books

Explaination: Since you can't evenly multiply 5 or 2 to get the opposite number, it's easier to multiply to the lowest common multiple. The easiest way to find that is to multiply both denominators (5*2=10). You'll have to multiply the numerator by the same amount you multipled the denominator by. For Daniel, that would mean: \frac{4*2}{5*2} = \frac{8}{10}. For Edgar, that would mean: \frac{1*5}{2*5} = \frac{5}{10}. So, Daniel read 3 more books than Edgar.

Answer to the third question: 2/4 mile (or 1/2 a mile)

Explaination: 2/8 can be simplified, by dividing the top and bottom by 2, resulting in 1/4. Since both fractions have the same denominator (/4), you can add them to get 2/4ths. This can be simplified further to half (1/2) a mile.

5 0
3 years ago
Read 2 more answers
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