3 years ago

6 more than the square of r is same as 33 .

Mathematics

1 answer:

Dominik [7]3 years ago

6 0

Answer:

r^2+6=33

Step-by-step explanation:

The square of r means r^2 and 6 more means +6, so r^2+6=33

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A class must have fewer than 18 students due to the number of desks that can be placed in the classroom. Write an inequality tha

forsale [732]

Answer:

n < 18
n ≥ 15

Step-by-step explanation:

The wording "fewer than" is translated to the math symbol "less than". The variable n represents the number of students.

the number of students is fewer than 18

translates to ...

n < 18

The wording "at least" translates to the math symbol "greater than or equal to."

the number of students is at least 15

translates to ...

n ≥ 15

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2 years ago

Isabella spends $4.87 on paintbrushes and paint. How many of each item does she buy? Explain how you found your answer

Rina8888 [55]

Answer:Answer: Isabella buys 2 paintbrushes and 3 jars of paint.

Step-by-step explanation:

Isabella can buy together 5 paintbrushes ( p ) and jars of paint ( p ) : j + p = 5, She can`t buy 4 items ( because 4 * $0.99 = $3.96 < $4.87 ) and she also can`t buy 6 items ( 6 * $0.95 = $5.70 > $4.87 ). So: p = 5 - j. Another equation is: 0.95 * ( 5 - j ) + 0.99 j = 4.87, 4.75 - 0.95 j + 0.99 j = 4.87; 0.04 j = 0.12; j = 0.12 : 0.04; j = 3, p = 5 - 3 = 2. We can prove it: 0.95 * 2 + 0.99 * 3 = 1.90 + 2.97 = 4.87.

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3 years ago

Miguel borrowed $1,800for 2 years and ended up paying $180 in simple interest . What was the interest rate

Gala2k [10]

It was 10 % 1,800 ÷10 =180

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3 years ago

What is the simplified form of the rational expression below? 5x^2-5/3x^2+3x

Rama09 [41]

Hi
i have just tried this equation just now.
tell me if i made some mistakes please
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