MATHEMATICS MIDDLE SCHOOL

A circle has a diameter of 28 meters. what is the circumference?

Answers

Answer 1
Answer:

Answer:

C≈87.96m

Step-by-step explanation:

just plug intogoogle .


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MIDDLE SCHOOL

You are hosting a convention for a charitable organization. You pay a rental fee of $28,500 for the convention center, plus you pay the caterer $13 for each person who attends the convention. Suppose you just want to break even. How many must attend if you are to break even with a ticket price of $51?

Answers

Answer:

750

Step-by-step explanation:

Given: You are hosting a convention for a charitable organization. You pay a rental fee of for the convention center, plus you pay the caterer for each person who attends the convention.

To Find: How many must attend if you are to break even with a ticket price of .

Solution:

Rent of convention center

Amount paid to caterer for each person

Cost of ticket of convention

Amount earned from each per person

To break even, the amount earned from all persons attending should be equal to rent

Let the number of persons be

Amount earned from all person

Total number of persons,  

                                         

                                         

Therefore 750 persons must attend the convention to break even with a ticket price of .

You have to add the $51 to $13 and find the answer then divide the sum by $28,500
MIDDLE SCHOOL

Jill is going to the seaside for the day. It is 60 miles away. What are the prime factors of 60?

Answers

The prime factors of 60 are 2 and 3 and 5
Prime Factors= 2,3&5
Prime factorisation= 2*2*3*5
MIDDLE SCHOOL

An object moves from the position +34 m to the position ­15 m in 15 s. What is its total
displacement? What is its average velocity?

Answers

Answer: Displacement: -19m; Velocity: -1.27m/s

-

Δd = d(final) – d(initial)

Δd = 15m – 39m  

Δd = -19m

-

v = Δd/t

v = -19m/15s

v = -1.27 m/s


That’s the answer above ^***
COLLEGE

A wheel makes 5 13/16 revolutions per minute. If it rotates for 76 minutes, how many revolutions does it make?

Answers

multiply 5 13/16 by 76


5 13/16 * 76 = 441 3/4 revolutions

MIDDLE SCHOOL

What is the prime factorization of 13

Answers

Answer:

13

Step-by-step explanation:

13 = 13*1

The only numbers that go into 13 are itself and 1 so 13 is already factored

HIGH SCHOOL

Complete the solution of the equation. Find the value of y when x equals -13. -4x + 5y = 12

Answers

If x equals -13 then..
-4(-13)+5y=12
52+5y=12
5y=-40
y=-8

HIGH SCHOOL

Sal currently has an account balance of $2,835.48. He opened the account five years ago with a deposit of $2310.72. If the interest compounds twice a year, what is the interest rate on the account?

Answers

The formula is
A=p (1+r/k)^kt
A future value 2835.48
P present value 2310.72
R interest rate?
K compounded twice a year 2
T time 5 years
Solve the formula for R
R= [(A/p)^(1/kt)-1]×k
R=((2,835.48÷2,310.72)^(1÷10)−1)×2
R=0.0414×100
R=4.14%

Hope it helps!
MIDDLE SCHOOL

The amount of data left on the cell phone is 6B after 8 days. 1.5B of data is used each day. How much data is available at the beginning of the cycle CHOICES:12,6,8,1.5,18,

Answers

Good morning ☕️

Answer:

18

Step-by-step explanation:

Thé amount of data that is available at the beginning of the cycle

= 8 × 1.5 + 6 = 12 + 6 = 18

:)

Answer:

Answer: 8

Step-by-step explanation:

MIDDLE SCHOOL

18. When y = x?, which of the following expressions is
equivalent to -y ?

Answers

Answer:

-y=-x

The problem:

y=x then -y=?

Step-by-step explanation:

If y=x, then -y=-x.

Just like if u=9, then -u=-9.

Or, if -m=8, then m=-8.

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