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2 years ago

6

Mr. Simmons figures he can paint his house in 5 days. If his son helps, together they can paint it in 2 days. How long will it t

ake his son to paint the house if he works alone?

1 answer:

Stells [14]2 years ago

3 0

Answer:

3 hrs 20 min

Step-by-step explanation:

1/5 + 1/x = 1/2

x = 10/3

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A highly selective boarding school will only admit students who place at least 2.5 standard deviations above the mean on a stand

tresset_1 [31]

Answer:

260 is the minimum score.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 200

Standard Deviation, σ = 24

We are given that the distribution of test score is a bell shaped distribution that is a normal distribution.

Least marks required for admission in boarding school is 2.5 standard deviations above the mean.

Thus, we can calculate the minimum score as:

$=\mu + 2.5(\sigma)\\=200 + 2.5(24)\\=260$

Thus, 260 is the minimum score that an applicant must make on the test to be accepted.

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3 years ago

Can you please let me know, or give me any website suggestions on where to practice for the AP test for grade 8's trying out for

masya89 [10]

Aaamath.com :3 your welcome

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3 years ago

3. Amar and Sang mowed lawns to earn money to go on a trip at the end of the month. They both mowed the same number of lawns. Am

mr_godi [17]

(20x10)+(15x10)= y
the variable is the answer or represents it

(20x10)+(15x10)
20x10=200
+
15x10=150
=
350
no they do not have enough they need 50 more dollars in order to have enough.

4 0

4 years ago

Read 2 more answers

An airplane bas begun its descent for a landing. When the airplane is 150 miles west of its destination, its altitude is 32,000

rewona [7]

I think the correct answer is C

7 0

4 years ago

The product of two consecutive positive even integers is 14 more than their sum. Set up an equation that can be used to find the

Eduardwww [97]

Answer:

The numbers are 4 and 6

Step-by-step explanation:

Let

x------> the first positive even integer

x+2---> the second positive even integer

we know that

$x(x+2)=x+(x+2)+14\\x^{2} +2x=2x+16\\x^{2}=16\\x=(+/-)4$

The solution is

$x=4$ -----> positive value

$x+2=4+2=6$

The numbers are 4 and 6

4 0

3 years ago