MATHEMATICS MIDDLE SCHOOL

The value of y varies directly with the value of x, and y = 12 when x = 4.Which equations represent the relationship between y and x?
Choose exactly two answers that are correct.
A. Y/X=3
B. xy=3
C. x=3y
D. y=3x

Answers

Answer 1
Answer: So we want to see which equation connects x and y in a way that when x=4 then y=12 and there are two correct answers. We can see that y is 3 times greater than x so lets write that as an equation: y=3x. We see that this corresponds to answer D. We can also rewrite that as y/x=3 and that corresponds with answer A. Those are the two correct answers.
Answer 2
Answer:

Answer:

Step-by-step explanation:

its A,B, and D

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How do you solve -5n-8(1+7n)=8

Answers

-5n-8(1+7n)=8
Let's simplify everything. 
-5n-8-56n=8
Put the variables on one side and the numbers on the other. 
-5n-56n=8+8
Combine like terms.
-61n=16
n=-16/61

Hope I helped! :)
-5n-8(1+7n)=8
-5n - 8 - 56n = 8
-61n = 8 + 8
-61n = 16
n = - 16/61

The answer is: n = -16/61 or n = -0.2623.

A baby elephant weighs 200 pounds at birth. Seven years later, the elephant's weight is 3,000 pounds. What is the rate of change of the weight of the elephant? A) 400 pounds per year B) 429 pounds per year C) 457 pounds per year D) 466 pounds per year

Answers

I believe A is correct, but im not completely sure.

The highest temperature ever recorded in Chicago was 105°F, and the lowest was -27°F. Use absolute values to find the difference between the highest and lowest temperatures.

Answers

To find the difference between the highest and lowest temperatures in Chicago while using absolute values, you can calculate it as follows:

|Highest Temperature| - |Lowest Temperature| = |105°F| - |-27°F|

|105| - |-27| = 105 + 27 = 132

So, the absolute difference between the highest and lowest temperatures in Chicago is 132 degrees Fahrenheit.

Answer:

To find the difference between the highest and lowest temperatures in Chicago while using absolute values, you can calculate it as follows:

|Highest Temperature| - |Lowest Temperature| = |105°F| - |-27°F|

|105| - |-27| = 105 + 27 = 132

So, the absolute difference between the highest and lowest temperatures in Chicago is 132 degrees Fahrenheit.

Step-by-step explanation:

2x-8 what is the answer

Answers

2x-8if it means2 times -8 then 2 times -8=2 time s8 times -1=16 times -16if it is x is a placeholder then undistribute whereab+ac=a(b+c)so2x-82(x)-2(4)=2(x-4)so the factored form is 2(x-4)there is no equation so we cannot solve for x2x-8 could be equal to 3 or pi for all we know
The answer is x - 4.

You have to isolate the variable so you divide 2 from both sides leaving you with x - 4. Since you can't simplify it anymore, the answer will be x - 4. Hope I helped.

What is 248 divided by 112?can someonr PLEASE HELP ME!!!!!

Answers

The answer is 2.2142857143 but you can round it to 2.
Seriously. Ever heard of a calculator? It's 2.2142857142857143

You toss a coin three times. What is the probability that it will land heads all those three tosses ?

Answers

The probability would be 1 in 8, or 12.5%
- toss three times
- each time = 2 different possibilities
-3 x 2= 6 chances for heads or tails
6÷2 = 3
-3/6 chances = 50% chance

The probability is 50% or 1/2 to get heads once

to get all three times would be 1/8 or 12.5%
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