MATHEMATICS MIDDLE SCHOOL

Mrs.piant's yearly salary is $42000 and increase $2000 per year .Mr.paint's yearly salary is $37000 and increase $3000 per year .In how many years will Mr. and Mrs.paint make the same salary

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Mrs. Mr.

1st $44,000 $40,000

2nd $46,000 $43,000

3rd $48,000 $46,000

4th $50,000 $49,000

5th $52,000 $52,000

five (fifth) year they will both be making $52,000 each

Answer 2

Answer: i think its 2 to 3 years

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602 < 620 correct? Which way is greater than < or >?

Answers

Yes you are correct. 602<620. The greater sign goes this way ">". Just think of it as this, the less "<" sign looks like an L. Which stands for less. That's how I think of it.

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One third of a number t is equal to 7

Answers

Answer:

The value of t is 21

Step-by-step explanation:

Given :One third of a number t is equal to 7

To Find : Find the value of t

Solution :

Number = t

One third of a number = $(t)/(3)$

Now we are given that One third of a number t is equal to 7

So, $(t)/(3)=7$

$t=7 * 3$

$t=21$

Hence the number is 21

if one third of t is 7 than t is equal to 21

You work at a sandwich shop. The shop's special is a sandwich with one cheese, one vegetable, and one meat for $5.00. There are 4 cheeses, 6 vegetables, and 5 meats to choose from. You also get your choice of 3 kinds of bread. How many different sandwiches can you make?

Answers

All you have to do is multiply the options together. So 4 x 6 x 5 x 3, which is 360.

A Lights-A-Lot quality inspector examines a sample of 30 strings of lights and finds that 8 are defective.a. What is the experimental probability that a string of lights is defective?
b. What is the best prediction of the number of defective strings of lights in a delivery of 400 strings of lights?

Answers

a , what’s is a experimental probability that a string of lights is defective .

What is 1 over 4 + 2 over 5

Answers

Answer:

0.333333333333333333......

Step-by-step explanation:

4+2=6.

1/6= 1,66666666....

1.6666.../5=0.333333...

Step-by-step explanation:

$(1)/(4) + (2)/(5)$

take l.c.m we get

now multiply 2 with four and 5 with 1

$(1 * 5 + 2 * 4)/(20)$

$(5 + 8)/(20)$

$(13)/(20)$

How do I solve x=y+8
and 5x+3y=12in substitution form

Answers

5*(y + 8) + 3*y = 12 <=> 8*y + 40 = 12 ,<=> 8*y = -28 < => y = -7/2;

x = y + 8 => x = -7/2 + 8 => x = 9/2.

Answer:

x = 4.5 and y = -3.5

Step-by-step explanation:

To find the solution to this system of equations using the substitution method, you must solve for either the x or y variable and then substitute into the other equation.

x = (y + 8)

5x + 3y = 12

We will use the first equation to solve for x. The x has to be isolated on one side. Since the first equation already has x on the one side, we can plug it into the other equation.

5(y+8) + 3y = 12

Distribute and solve:

5y + 40 + 3y = 12

8y + 40 = 12

8y = 12-40

8y = -28

y = -3.5

Now we have the y variable, we can plug that back into the first equation to find x.

x = (-3.5) + 8

x= 4.5

Your answer will be x = 4.5 and y = -3.5

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