MATHEMATICS MIDDLE SCHOOL

HELP ASAPThe dinner check was $85.00. If Tyler gave the waiter a 20% tip, how much was the tip?



The dinner check was $85.00. If Tyler gave the waiter a 20% tip, how much did Tyler spend in total?

Answers

Answer 1
Answer:

Answer:

It is $17.

Step-by-step explanation:

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K-17=-12 I need help solveing this

Answers

remember, you can do ANYTHING to an equaiton as long as you do it to BOTH SIDES

we can try to get k by itself bymaking that -17 into 0 since k+0=k

-17+17=0 right so

K-17=-12
add 17 to BOTH SIDES
K+17-17=17-12
K+0=5
K=5
We'll just isolate the variable to find what the variable stands for.

K - 17 = - 12
  +17      +17

k = 5

Plug it back in.

k - 17 = - 12

5 - 17 = -12
-12 = -12

So yes, it is correct.

How does the expression |9 -(-5)| relate the number -5 and 9 on the number line

Answers

The expression /9-(-5)/ means absolute value. 
The expression -5 and 9 just show that 5 is negative and 9 is positive 
HOPE I HELPED!!!!=D

With a tank of gas, if you can drive 475 miles, your car uses 12 miles per gallon. Write an equation to model this situation

Answers

12mi=1gal
475mi=(475/12)=39.583gal

Write a slope incercept equation passes through (-3, 2) and (-2, -1)​

Answers

Answer:

y = - 3x - 7

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 2) and (x₂, y₂ ) = (- 2, - 1)

m = (-1-2)/(-2+3) = (-3)/(1) = - 3, thus

y = - 3x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (- 2, - 1), then

- 1 = 6 + c ⇒ c = - 1 - 6 = - 7

y = - 3x - 7 ← equation in slope- intercept form

What is the percentage of error in weight if measured weight is 22 pounds and actual weight is 25 pounds

Answers

The percent error is by 12%

The percent error is  calculated by subracting the actual weight from the estimated weight and then dividing it by the actual value and multiplying it by 100% in absolute value(Which means to remove any negative sign) 

Each pencil that was sharpend was 18 centimeters long. How millimeters long were the pencils?

Answers

Ok so 1 centimeter equals 10 millimeters
So 18 centimeters equals 180 millimeters.
So the pencils were 180 millimeters each.
hope this helps!
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