MATHEMATICS
MIDDLE SCHOOL

Answer:

The additive inverse of the number is the same number but with the opposite sign.

The number you are given is negative, so the additive inverse would be positive.

The answer is 10 1/4

HIGH SCHOOL

You purchase a shirt for $8.50. There is a 6% sales tax. Your total cost will be?

If you have tax, then you multiply the cost by 1.06 since it is 6%. you mutlipy 8.50 by 1.06 and you get $9.01

As you have to pay a sales tax of 6%, multiply 8.5*6% or $8.5*0.06 = $0.51 then add it to $8.5 so you get the answer =8.5+0.51= $9.01

MIDDLE SCHOOL

The perimeter of the sign is 28 meters. If the width of the sign is 4meters, what is the length in meters?

Answer:10

Step-by-step explanation:

28-4-4=20

20÷2=10

10+10+4+4=28

HIGH SCHOOL

Which of the following is an action that people in Florida could take to help decrease the turbidity of coastal waters? Answer

Reduce erosion by planting trees along the shore

Build dams along rivers leading to the coast

Build housing developments on land that borders water bodies

Remove photosynthesizing plants from coastal waters

An action that people in Florida could take to help decrease the turbidity of coastal waters is thru reducing erosion by planting trees along the shore. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

Answer:

A

Step-by-step explanation:

MIDDLE SCHOOL

What is the formula for the volume of a triangular prism?

V = AH

where A = area of the base, and H = height of the prism

where A = area of the base, and H = height of the prism