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joja [24]
3 years ago
5

Dennis takes care of private swimming pools. He charges $35 to travel to a home and then $40 per hour. The equation t = 35 + 40h

models the total charge t for h hours of service. Which ordered pair (h, t) is NOT a solution for the equation? a (4, 195) b (9, 355) c (8, 355) d (7, 315)
Mathematics
1 answer:
stepan [7]3 years ago
4 0

Answer: B

Step-by-step explanation: All you have to do is plug in the numbers and solve the equation. B is not correct, because 35+40(9) is not equal to 355.

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Ainat [17]

Answer:

I think there is a typing error it should be 214 ml

Step-by-step explanation:

1 litre = 1000 ml

5 litre= 5000ml

5000- 214= 4786

hope it helps :)

5 0
2 years ago
Each unit on the grid stands for one miles determine two ways to calculate the distance from josie's house to annies
Novosadov [1.4K]
I encountered this problem before but it had an accompanying image and list of answer choices.

I'll attach the image and include the list of options. 

Each unit on the grid stands for one mile. Determine two ways to calculate the distance from Josie's house to Annie's house.
A) Distance Formula and Slope Formula
B) Midpoint Formula and Slope Formula
C) Distance Formula and Midpoint Formula
<span>D) Distance Formula and Pythagorean Theorem
</span>
My answer is: D.) Distance formula and Pythagorean Theorem.

When looking at the image, I can visualize a right triangle. I'll simply get the measure of the long and short legs and solve for the hypotenuse. 
Since the distance formula is derived from the Pythagorean theorem, it can be used to determine the distance from Josie's house to Annie's house.

8 0
3 years ago
If y2 = x3 + 2, which statement is true? The equation is a function at all values of x. The equation is not a function. The equa
tatyana61 [14]

Answer:

The equation is not a function.

Step-by-step explanation:

We are given that

y^2=x^3+2

y=\pm\sqrt{x^3+2}

Function: It is mapping between the values of two sets A and B.

Each element of A has unique value in set B.

By definition of  function

In given function

y has no unique value for each value of x.

Substitute x=0

y=\pm \sqrt{0+2}=\pm \sqrt 2

Hence, it is not a function.

6 0
3 years ago
Use inverse operations to solve the following:<br> 4.9 + z = -9
ale4655 [162]

The answer is z = -13.9

In order to solve this, you need to use inverse operations. The inverse operation of addition is subtraction. So, this is the function we'll use

4.9 + z = -9 ----> subtract 4.9 from both sides

z = -13.9

5 0
3 years ago
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Murljashka [212]

Jada has saved 60% of $60.  This is a percent of number question.

First we need to know 60% of $60

Change the percent to a decimal and multiply.

.60(60) =$36 saved so far.

8 0
3 years ago
Read 2 more answers
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