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Natasha_Volkova [10]
2 years ago
11

The Sixth Grade Dance Committee is planning to decorate the school gym with crepe paper, posters, and tablecloths. They know tha

t crepe paper costs $5 per roll, posters cost $10 each, and tablecloths cost $14 per table. The committee used the expression 5r + 10p + 14t to represent the cost of r rolls of crepe paper, p posters, and t tablecloths. How much money would the committee need for 4 rolls of crepe paper, 10 posters, and 3 tablecloths?
Mathematics
1 answer:
g100num [7]2 years ago
5 0
5r=20 10p=100 14t=42
100+42+20=162
5r+10p+14t=$162
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The mean height of a group of 500 nonsmoking college students is 74 inches and the standard deviation is 5 inches. What is the p
Brrunno [24]
500 (non smokers)÷ 25(random students out of the group)= 20 inches. 20 inches ÷ 74 inches= 3.70
3 0
3 years ago
Which radical expression is in simplified form A. 11y/sqrt3 B. sqrt6/5y C. sqrt17/sqrt4 D. sqrt25/18
Mkey [24]

Answer:  \frac{\sqrt{6}}{5y}

Step-by-step explanation:

The given radical expressions are:

A. \frac{11y}{\sqrt{3}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\B.\frac{\sqrt{6}}{5y}\\\text{It is completely simplified ,}\\\text{since its denominator is not radical and 6 is not a perfect square. }\\\\C. \frac{\sqrt{17}}{\sqrt{4}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\\\\\D. \frac{\sqrt{25}}{18}=\frac{5}{18}\\\text{Hence, expression D was not completely simplified .}

8 0
3 years ago
Which property is shown below?
ElenaW [278]

Answer:

C

Step-by-step explanation:

5+2y+3z=5+3z+2yA

Intercambie los lados para que todos los términos de las variables estén en el lado izquierdo.

5+3z+2yA=5+2y+3z

Resta 5 en los dos lados.

3z+2yA=5+2y+3z−5

Resta 5 de 5 para obtener 0.

3z+2yA=2y+3z

Resta 3z en los dos lados.

2yA=2y+3z−3z

Combina 3z y −3z para obtener 0.

2yA=2y

Anula 2 en ambos lados.

yA=y

Divide los dos lados por y.

y

yA

​

=  

y

y

​

 

Al dividir por y, se deshace la multiplicación por y.

A=  

y

y

​

 

Divide y por y.

A=1

​

6 0
2 years ago
P = (12, 4) and M = (-8, 8)
Elena-2011 [213]
You can look on the app Socratic to help you.
3 0
3 years ago
Solve (x − 2) = 3<br> Give your solutions correct to 3 significant figures.
Pachacha [2.7K]

Answer:

(x − 2) = 3

Remove the bracket

x - 2 = 3

Group the constants at one side of the equation

x = 2 + 3

x = 5

Therefore x = 5.00 to 3 significant figures.

Hope this helps

6 0
3 years ago
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