Ask question

Ask question

All categories

3 years ago

9

Sean has 20 days to paint as many plays houses and sheds as he is able. The sheds can be painted at a rate of 2.5 per day, and t

he play houses can be painted at a rate of 2 per day. He has 45 structures that need to be painted.

1 answer:

DiKsa [7]3 years ago

5 0

n = # of days

45 = 2.5n + 2n

45 = 4.5n

n = 10

He can paint 45 structures in 10 days

You might be interested in

A math class has 5 girls and 5 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly select

Fudgin [204]

Answer:

$\dfrac{5}{24}$

Step-by-step explanation:

A math class has 5 girls and 5 boys in the seventh grade, 10 students in total. The probability of choosing one girl from this class is

$\dfrac{5}{10}=\dfrac{1}{2}$

A math class has 5 girls and 7 boys in the eighth grade, 12 students in total. The probability of choosing one girl from this class is

$\dfrac{5}{12}$

The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. The probability that the students she selects are both girls is

$\dfrac{1}{2}\cdot \dfrac{5}{12}=\dfrac{5}{24}$

5 0

3 years ago

From a standard deck of cards, what is the probability that you draw a diamond, replace it and then draw a club?

Crank

Answer:

25% most likely

Step-by-step explanation:

If you divide the numbers by 100 then you get ez answer XD

8 0

4 years ago

Read 2 more answers

juin [17]

Answer:

y = x² − 6x − 27

Step-by-step explanation:

To distribute, you can use something called FOIL. It stands for First, Outer, Inner, Last.

First, multiply the First term in each factor.

x · x = x²

Now multiply the Outer terms in each factor.

x · 3 = 3x

Next multiply the Inner terms in each factor.

-9 · x = -9x

Finally, multiply the Last terms in each factor.

-9 · 3 = -27

Add them all up:

x² + 3x − 9x − 27

x² − 6x − 27

4 0

3 years ago

What is 6 less than 5 times a number? a. 5x - 6 b. 5 × 6 c. 5x 6 d. 5 ÷ 6

Paul [167]

A. 5x - 6 ................

4 0

3 years ago

(3x+2)+(2x^2+3x-1)<br><br> Please answer ty:)

Paul [167]

Answer = 2x^2+6x+1

3x+2+2x^2+3x-1
3x+1+2x^2+3x
Now combine like terms
3x+1+2x^2+3x
6x+1+2x^2
Rearrange terms
6x+1+2x^2
2x^2+6x+1

4 0

3 years ago