3 years ago

I need help on solving these problems.

Mathematics

1 answer:

ira [324]3 years ago

5 0

Answer:

the fist one is A and the second one is D

Step-by-step explanation:

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ABC Game store sells new games, n, for $19 and used games ,u, for $9. The store earned $7500 in revenue last month. The store so

VikaD [51]

4*u+n=7500

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3 years ago

What is the solution set for 9x2-25=0

Alexandra [31]

Answer: i hope i helped if not im truly sorry

Solving for 9x^2 - 25 = 0

Standard form:

9x2 − 25 = 0

Solutions based on quadratic formula:

= −0 − √ 02 − 4×9×(−25)

2×9

= 0 − 30 × √ 1

≈ −1.667

= −0 + √ 02 − 4×9×(−25)

2×9

= 0 + 30 × √ 1

≈ 1.667

Extrema:

Min = (0, −25)

Step-by-step explanation: im not dumb and im not smart

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3 years ago

The sum of two numbers is 12. If one number is subtracted from the other, their difference is -2. Find the numbers

adoni [48]

The first number is 5
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3 years ago

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The table shows ordered pairs for a polynomial function, f. What is the degree of f?

Kazeer [188]

Answer:

5th degree

Step-by-step explanation:

To solve this problem/table, you have to find the differences in the f(x) side of the table until the differences between the numbers are the same, and then you have your degree. Look at the image attached for more sense

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3 years ago

I also need help with this please help

Sindrei [870]

Answer:

2.5 divided by circumfrence x radius

Step-by-step explanation:

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3 years ago