MATHEMATICS HIGH SCHOOL

If you pay $8.50 per square yard of carpeting, what is your total cost for 27.5 square yards?a. $233.75
b. $223.75
c. $228.75
d. $232.75

Answers

Answer 1
Answer:

Answer:

a.$233.75

Step-by-step explanation:

We are given that

Cost of 1 square yard of carpeting =$8.50

We have to find the total cost for 27.5 square yards.

Using unitary method

Cost of 27.5 square yards of carpeting =27.5* 8.50

After multiplying , we get

The cost for 27.5 square yards of carpeting =$233.75

Hence, the cost for 27.5 square yards of carpeting=$233.75

Answer:a.$233.75
Answer 2
Answer: the answer is A because if you pay $8.50 per square yard it means multiply. Per is the key word and then you just multiply $8.50 and 27.5 to get A

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$500 principal earning 4% compounded quarterly, after 10 yrCompound Interest Formula:
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A 10 ft pole has a support rope that extends from the top of the pole to the ground. The rope and the ground form a 30 degree angle. How long is the rope, rounded to the tenth place? A. 20.0 B. 17.3 C. 11.5 D 3.0 (All in ft.)
W = 4πr Please man this gotta be 20 characters but I really need an answer I'm sweating
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The music festival took 77 days to plan. How many weeks did it take to plan the festival?
(1 week = 7 days)





A.


539 weeks


B.


85 weeks


C.


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Answers

77/7 = 11
D)11 weeks is the answer

4. 9
whats the answer

Answers

Answer:5.0

Step-by-step explanation:

A spinner has the numbers 1 to 4 on it.Probability of spinning 4 is 0.1
Probability of spinning 1 is 0.6
Probability of spinning 2 is the same as 3.

What is the probability of spinning a number 3?

Answers

Hello,

P(1)+P(2)+P(3)+P(4)=0.6+2P(2)+0.1=1
==>2P(2)=1-0.6-0.1
==>2P(2)=0.3
P(2)=P(3)=0.15

If the population of a particular country is growing at 1.6% compounded continuously, how long will it take the population to triple? The population will triple in ______ years if it is growing at 1.6% compounded continuously. (Round up to the nearest year.)

Answers

e ^(0.016t)=3 / * log _(e) \n log _(e) e^(0.016t)=log _(e) 3 \n 0.016t=log _(e) 3
0.016 t = 1.0986
t = 1.0986 : 0.016
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The population will triple in 69years if it is growing at 1.6 % compounded continuously.

Jalen gets 3 paid vacation days for every 60 days he works. Select all of the expressions that represent the number of vacation days gets per x days worked. (A) x/20 (B) 3/60x (C) x/3 (D) 0.05x (E) 20x

Answers

Answer:

A and D

Step-by-step explanation:

In this question, we are asked to select the expressions that represent the number of vacation days per x days worked.

Now, to do this, what we simply first do is to get the number of days to takes to get one paid vacation. In the question , we are made to know that he gets 3 days paid vacation for 60 days of work. The number of days to get a single paid vacation would thus be 60/3 = 20 days. This means she gets one paid vacation in 20 days.

Now, we are told after working for x days, how many paid days vacation does she get. To know this, what we do is to first know the number of 20 days in x days. That would simply be x/20. This is the number of vacation days she gets in x days.

now, we check if there are similar options to this.

D is also correct. This is because x/20 is same as 0.005x

Factor completely 2x2 − 6x − 56.(2x − 14)(x + 4)
(x − 7)(2x + 8)
2(x − 7)(x + 4)
2(x − 4)(x + 7)

Answers

The factors of the given expression are (x-7)(2x+8). Therefore, option B is the correct answer.

The given expression is 2x²-6x-56.

How do factor the quadratic expression?

Factoring an expression means rewriting it as the product of factors.

  • Write each term as the prime factorization.
  • Identify the factors that all of the terms have in common.
  • Multiply those common factors.

Now, the factorisation of the given expression is as follows:

By splitting the middle term method we can write the expression 2x²-6x-56 as 2x²-14x+8x-56.

=2x(x-7)+8(x-7)

=(x-7)(2x+8)

Therefore, option B is the correct answer.

To learn more about the factorisation visit:

brainly.com/question/13496719.

#SPJ2
2x^2 - 6x - 56
2 (x^2 - 3x - 28)

2 (x - 7)(x + 4)
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