MATHEMATICS MIDDLE SCHOOL

Mrs. Johnson is buying every student in her math class a pencil and an eraser. Each pencil costs 25 cents and each eraser costs 15 cents. If x represents the number of students in Mrs. Johnson’s class, what is the equation for this

Answers

Answer 1
Answer:

Answer:

Total amount spent by Mrs. Johnson :  T(x) = 25x + 15x

Step-by-step explanation:

Cost of each pencil =  25 cents

Cost of each eraser = 15 cents

x is the number of students in the class.

So, total cost of erasers purchased= 15x

and total cost of pencils purchased = 25x

Hence, Mrs, Johnson Spends total amount on eraser and pencil = 25x + 15x

or, total amount spent by Mrs. Johnson:  T(x) = 25x + 15x

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Diallo says that the value of 12-3 to the second power is 81. how did he get that answer

Answers

Answer:

12-3= 9

9^2= 81

Step-by-step explanation:

As the statement indicates that diallo says that the value of 12-3 to the second power is 81, it means that he subtracted 3 from 12 which is equal to 9. Also, the value of 12-3 to the second power means that he calculed the value of 9 squared which is 81.
He would have to subtract 12 and 3 which would give you a total of 9. then he would have to find the value of 9 squared which is 81. Hope that helped!

A metal recycling center pays $41.25 for 75 pounds ofaluminum. Which of the following is another possible amount
the metal recycling center would pay for aluminum?
A. $19.25 for 35 pounds
B. $24.00 for 40 pounds
C. $5.35 for 0.25 pounds
D. $45.45 for 25 pounds

Answers

Answer:

A

Step-by-step explanation:

$41.45 / 75 = .55

A= $19.25/ 35 = .55

A baker uses 70 grams of sea salt for each batch of bread. Sea salt comes in a 28​-kilogram package or a 1,500​-gram package. Which size package should the baker buy so that no sea salt is left after all of the batches are​ made? Explain.Select the correct choice below and fill in the answer​ box(es) to complete your choice.
A.
Since 1,500 grams can be divided evenly into nothing batches of​ bread, 70 divides evenly into 1,500. ​So, the baker should choose the 1,500​-gram package.
B.
A 28​-kilogram package contains nothing grams of sea salt​, which can be divided evenly into nothing batches of bread.​ So, the baker should choose the 28​-kilogram package.

Answers

Answer:

I think answer A

Step-by-step explanation:
It’s A yeahhhhhhhhhhh

Can someone pls help

Answers

Answer:

1318.8 meters

Step-by-step explanation:
1318.8 is the answer

3x + 5 = 20Name the coefficient, variable, term, constant, expression, and eqaution.

Thank You so much!!

Answers

3 = coefficient
x = variable
3x = term
5 = constant
3x + 5 = expression
3x + 5 = 20 = equation.
Ok so first lets write the equation:-

3x + 5 = 20

A coefficient is the number before any variable. So 3 is the coefficient. 
A variable is a letter which stands for a number. So x is the variable
A term is a coefficient and variable together. So 3x is the term.
A constant is a number on its own. So 5 is the constant. 
A expression is  a mathematical phrase. So, 3x + 5 is the expression. 
A equation is a way to show that 2 things are equal in math. So 3x + 5 = 20 is the equation. 

So, 

Coefficient = 3
Variable = x
Term = 3x 
Constant = 5 
Expression = 3x + 5 
Equation = 3x + 5 = 20

Hope I helped ya!! xD 

What is the value of z?

Answers

Solve:-

This triangle's angles sum should equal to 180°. Lets find z:-

180 - 62 = 118
118 - 95 = 23

Angle z = 23°
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