Solve and check 5/k? -6? = -3

Answers

Answer 1

Answer: remember you can do ANYTHING to an equaiton aslong as you do it to BOTH SIDES

5/k-6=-3
add 6 to both sides
5/k+6-6=-3+6
5/k+0=3
5/k=3
times k both sides
5k/k=3k
5(k/k)=3k
5=3k
divide both sides by 3
5/3=k

check

5/(5/3)-6=-3
15/5-6=-3
3-6=-3
-3=-3

true

k=5/3

Answer 2

Answer: 5/k – 6 + 6 = 3 + 6
5/k = 3
5 /k • k = 3k
5/-3 = 3k / -3
5/3 = k

The answer is C) k = 5/3

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A+(-b) where a=4 and b=2

Answers

Answer:

The sum of a and (-b) is 2

Step-by-step explanation:

method 1:First, we take the negate(negative) of b to get -2. Then, we take the sum of 4 and -2 to get 2.

method 2: since adding a negative is the same as subtracting a positive, we get 4-2, which is 2.

I am greater the 4 tens and less then 5 tens.i have 9 ones what am i ?

Answers

49...

Think of four 10's as
40

And five 10's as
50

It states that you have 9 ones so add to 40
or subtract from 50

49 is more than 40
49>40
and is less than 50
49<50

Good Luck future questions :)

What is the range of the following data values? 47, 28, 92, 34, 83

Answers

First, put all of the numbers in a list ranking from high to low (or low to high) and subtract the highest and lowest values.

92 - 28 = 64
The range is 64

Hope this helps!!

Answer:

Step-by-step explanation:

Tony’s class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8 a car, to raise more money. Tony solved the inequality 8x + 200 Greater-than-or-equal-to 500, and determined that if they wash 37 cars, they will have enough money. Is he correct? Explain.

Answers

no, tony is not correct. solving the inequality tells us that x is greater than or equal to 37.5. since the class must wash a whole number of cars, they need to wash at least 38 cars.

Answer:

Sample Response: No, Tony is not correct. Solving the inequality tells us that x is greater than or equal to 37.5. Since the class must wash a whole number of cars, they need to wash at least 38 cars.

Calculate 1+2+3...+80 1+3+5+...+99 2+4+6...+100 3+7+11+15+...+43