I NEED HELP PLEASE ASAP!

Answers

Answer 1

Answer:

Answer:

make a line with arrows at the end. On the line, make a hash mark and label it -13. on the hash mark, make a filled-in circle and color the number line to the left of the circle, including the arrow.

Step-by-step explanation:

This is how you show it. :)

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NEED HELP AND FAST! WILL GIVE BRAINLEST TO HOWEVER ANSWERS CORRECTLY.

What is the surface area of a sphere with a radius of 14 units?

Answers

Answer:

SA =784 pi units ^2

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2

The radius is 14

SA = 4 pi (14)^2

SA =784 pi units ^2

Answer:

Surface area= 784π units²

Step-by-step explanation:

Surface area= 4×π×r²

Surface area= 4×π×(16)²

Surface area= 4×(16)²×π

Surface area= 784π units ²

A set of equations is given below:Equation A: c = 2d + 1
Equation B: c = 3d + 5

Which of the following is a step that can be used to find the solution to the set of equations?

2d + 1 = 3d + 5
2d = 3d + 5
2d + 1 = 3d
2d + 5 = 3d + 1

Answers

Answer:

The correct option is 1.

Step-by-step explanation:

The given set of equations is

Equation A: c = 2d + 1

Equation B: c = 3d + 5

Using equation A and equation B, equate the value of c.

$2d+1=3d+5$

$1-5=3d-2d$

$-4=d$

The value of d is -4. So the value of c is

$c=2d+1=2(-4)+1=-7$

The equation 2d+1=3d+5 is used to find the solution to the set of equations, therefore the correct option is 1.

2d+1=3d+5.
If both equations equal c, then both equations can be equal to each other.

Assume that a student attends a four-year college with tuition costs of $20,000 per year, room and board costs of $5,000 per year, and books/entertainment costs of $1,000 per year. If the student did not go to college, she would work at a job that pays $25,000 per year but still face the same room and board and entertainment expenses. The opportunity cost of attending college for this student for four years is:

Answers

Answer:

$180,000.

Step-by-step explanation:

We have been given that a student attends a four-year college with tuition costs of $20,000 per year, room and board costs of $5,000 per year, and books/entertainment costs of $1,000 per year. If the student did not go to college, she would work at a job that pays $25,000 per year but still face the same room and board and entertainment expenses.

We know that opportunity cost is the profit lost, when one alternative is selected over another.

Opportunity cost of attending college for 4 years would be amount lost from job in 4 years plus amount spent on studies because the student lost $25,000 for four years for not doing the job and spent $20,000 for 4 years on studies.

$4(\$25000+\$20,000)=4(\$45,000)=\$180,000$

Therefore, the opportunity cost of attending college for this student for four years is $180,000.

Final answer:

The opportunity cost of attending college for four years is $100,000.

Explanation:

The opportunity cost of attending college for four years is the value of the best alternative that the student foregoes by choosing to attend college. In this case, the student could have worked and earned $25,000 per year instead of going to college. So, the opportunity cost for four years would be $25,000 * 4 = $100,000.

Learn more about Opportunity Cost here:

brainly.com/question/32971162

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Four sisters bought a present for their father. They received a 10% discount on the original price of the gift. After the discount was taken, each sister paid $9.00. What was the original price of the gift?

Answers

Answer:

The original price of the gift was $40.

Step-by-step explanation:

Let the original price of the gift be = x

Discount of 10% on the gift and each sister paid $9 means a total of $4*9=36$ dollars

We can write this information mathematically like :

$x-0.10x=36$

Solving for x now;

$0.90x=36$

x = $40

So, the original price of the gift was $40.

9 dollars represents 90% of the cost. Divide 9 by 0.90 to get the original price, 10 dollars

Tate has been dancing for 710 of an hour. Marcia has been dancing for 3.6 times the amount of time than Tate has been dancing. How long has Marcia been dancing for? Write your answer as a decimal.

Answers

Answer: 2.52

Step-by-step explanation:

(assuming that when you say 710, you mean 7/10)

3.6/1 times 7/10 = 25.2/10 or 2.52

Does anyone know this

Answers

Answer:

AB-DE

Step-by-step explanation:

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