MATHEMATICS MIDDLE SCHOOL

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Answers

Answer 1
Answer:

Answer:48

cm2

Step-by-step explanation: I took the test just now for k12

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Evaluate -3+y/5 when y = –2.5

Answers

If you would like to evaluate - 3 + y / 5 when y = - 2.5, you can calculatethis using the following steps:

- 3 + y / 5 = -3 + (- 2.5) / 5 = - 3 - 0.5 = - 3.5 = - 7/2

Thecorrect result would be - 3.5.

_______________________
If you would like to evaluate (- 3 + y) / 5 when y = - 2.5, you can calculate this using the following steps:

(- 3 + y ) / 5 = (- 3 + (- 2.5)) / 5 = - 5.5 / 5 = - 1.1

The correct result would be - 1.1
When we have the value for the variable, all we have to do is apply the number to replace the variable, then solve.

-3+y/5 will turn into :-   -3+-2.5              -5.5
                               ------------------ =   -------------= -1.1
                                        5                        5


Now we need to divide -5.5 by 5. We get -1.1


Our final answer: -1.1

Ben bought 12 goldfish. Each goldfish costv$0.59. How much did Ben spend? _____

Answers

Ben bought 12 goldfish, and each goldfish cost $0.59.

So, we need to find how much $0.59 would be 12 times. We can either add $0.59 twelve times, or multiply. The easier way is to multiply.

12 × 0.59 = 7.08

The final answer is that: Ben spent $7.08 on goldfish. 
so first multiply 59 by 12. 59 times 12 equals 708 so ben spent 708 dollars

Solve for y -2(x + 3 y) =18

Answers

Answer:

y= -3y - 1/3x

Step-by-step explanation:

-2(x + 3y) = 18 Distribute the -2 to the x + 3y

-2x - 6y = 18

+2x          +2x    Add the 2x to both sides

-6y = 18 + 2x   Divide both sides by -6

y= -3y - 1/3x

Is 810 divisible by 2,3,4,5,6,9,and 10

Answers

It is divisible by 2, 3, 5, 9, and 10

18. WILL MARK BRAINLIEST!!HELP! ​

Answers

Answer:

3x-20

Step-by-step explanation:

A giant bamboo plant grew an average of 18 centimeters per year.The botanist started measuring the plant when it was 5 centimeters tall. If "Y" represents the number of years the botanist has measured the plant,what expression represents its height?Solve,and show each step.

Answers

h=height
y=number of years.

we have the next expresion:
h(y)=my+b  

m=the slope of the line, in this case, the slope is equal to "18"; (18 cm/ year).
b=the initial heigth, in this case, the initial heigth is equal to "5" (5 cm).

Therefore, our  expression will be:
h(y)=18y +5

answer: h(y)=18y+5
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