The Hydro water department has a monthly service charge of $13.90 and a volume charge of $1.45 for every 100 cubic feet of water.

The total monthly cost is equal to the service charge plus the charge for the volume used during the month. If we let x represent the number of cubic feet of water (in hundreds) and y represent the total monthly cost, then we have:
total monthly cost = volume charge + service charge
y = 1.45x + 13.90

If the Johnson family used 200 ft3 more water this month than last month, then they can expect
A. an increase in their water bill of $2.90.

B. an increase in their water bill of $27.80.

C. a decrease in their water bill of $2.90.

D. a decrease in their water bill of $27.80.

Answers

Answer 1

Answer: A

Step-by-step explanation:

In this question, you can disregard the initial $13.90 cost because we're only looking for an INCREASE in price. If the Johnson family used 200 cubic feet MORE of water, we need to multiply 2 * 1.45 which gets us 2.90. We multiply 2 by 1.45 because 200 represented in x is 2, since x is represented in hundreds.

Related Questions

Can someone answer this? I'm really confused

Answers

área of 1= 1/2 x b x L
área of 2= 6x4=24
área of 3= 5x6=30
área of 4= 3x6=18
área of 5= 1/2x3x4=6
total surface area would be =6+24+30+18+6= 84cm^2

Answer:

For A

Step-by-step explanation:

(right angle)triangular prism

anybody, please help me I don't understand this at all how do we find hypotenuse adjacent and the opposite side with only one angle the angle I have is 20 degrees but I don't know anything I don't understand it

Answers

Obtuse is anything above 90 degrees
Acute is anything below 90 degrees
A Right triangle is 90 degrees

Please answer soon!
All triangles have the same value, and all circles have the same value. What is the sum of three circles?

Answers

Answer:

Step-by-step explanation:

triangle = 5

circle= 3

The answer is 9

O=3
/\=5

what is 85 x 98 ? woooooooooooooo

Answers

Answer:

8330

Step-by-step explanation:

Answer:

8330

I belive so-

i need help with these

Answers

For the first image it’s the second one down, y = 1/2000 because 6 divided by 12,000 is 2000.

Answer:

1.d

2.B i think because it does not go to 0,0

3.d

4.C

5.C

Step-by-step explanation:

May someone help I will give brainliest and the math is slope

Answers

Answer:

The peppers

Step-by-step explanation:

The line is steeper (steeper slope)

Use Morgan's strategy of working backwards to find the original number.

The table below has been started for you.

Answers

Answer:

x = 5

Step-by-step explanation:

working backwards means that you take the final product then reverse every step you've done to it to receive the starting number.

((29+10)/3)-8 = (39/3)-8 = 13-8 = 5

please double check and hope this helped!

What is the slope and y-intercept for the following equation 5y-2x=15

Answers

Answer: y=3+2/5x

Step-by-step explanation:

The slope is 2/5 and y intercept is (0,3)

Plz help me someone
I need to know how you got that answer too plz and thank you!!

Answers

Answer:

D. y=2x

Step-by-step explanation:

I used desmos graphing calculator.

D yx is the answer please give me a thanks

You have a coupon for 10% off the sale price of a surfboard. Which is the better buy? Explain your reasoning.

● 40% off the regular price
● 30% off the regular price and then 10% off the sale price
40% of $150 = ___, so the sale price is ___
30% of $150 = ___, so the sale price is ___
10% of that sale price is ___,so after using the coupon, the sale price is ___

Answers

Answer:

* 60 -$60 <- answer

* 45- $45 <- answer

94.5- $94.50 <- answer

Step-by-step explanation:

40%= 0.4 ×150=60

30%=0.3×150=45

60 +45= 105

(105*10)/100= 10.50

105-10.50=$94.50 <- answer

HELPP Me With this question

Answers

Answer:

Line CB= undefined, line CD= zero, line DA= undefined, line BA= -2/3

Step-by-step explanation:

Hope is correct i did it all in my head

Line cb is undefined

Orlando buys a shirt for $15 and a pair of jeans for $32.50.If the sales tax is 8%,what is the total price Orlando pays for the items.
F. $47.88
G. $43.70
H.$51.30
J.$85.50

Answers

15 + $32.50 + 8% = $51.30

15 + 32.50 = 47.50

8% × 47.50 = 3.80

47.50 + 3.80 = 51.30

First, add 15 and 32.50 to get the total price. This should equal 47.5. Then, proceed to multiply by .08, because this represents 8%, which is the tax. You should get 3.8. That is the tax. Add the total and the tax, which is 47.5 plus 3.8, which equals 51.3. H is the correct answer.

Which number line correctly represents the irrational numbers listed below?

-\sqrt{6}−
6

\sqrt{2}
2

-\sqrt{79}−
79

-\sqrt{32}−
32

\sqrt{57}
57
plzz helpp ill give brainlyest

Answers

It is 6..................

I think it is 6 :) sorry if wrong doe

Brandon has an action figure collection. He keeps 178 of the action figures on his wall, which is 89% of his entire collection. What is the total number of action figures in Brandon's collection?

Answers

Answer:

200 action figures

Step-by-step explanation:

178/89=2 which is 1% of the whole collection. 2*100=200

Answer:

200 action figures

Step-by-step explanation:

You move up 1 unit and down 9 units. You end at (0, -5). Where did you start?

Answers

Answer:

(8,-5)

Step-by-step explanation:

Answer:

(0,3)

Step-by-step explanation:

The x value in this problem is not affected since it isn't moving to the left or right, so let's focus on y.

To find out where you began, do the opposite of the command (for example instead of going down go up)

-5+9=4 4-1=3

y=3

To check the answer start at 3 then go down 9 units (-6) then go up a unit (-5)

Hope this makes sense/helps!

The first floor of a house consists of a kitchen, playroom, and dining room. The areas of the kitchen, playroom, and dining room are in the ratio 4:3:2. The combined area of these three rooms is 189 square feet. What is the area of each room?

Answers

Answer: 90

Step-by-step explanation:

HELP RRLY EASY I NEED HELP THO

Answers

Answer:

Step-by-step explanation:

Since 20 is 2 x 10, you can multiply the value for 2 kilometers by 10 and get 12.

The correct answer is 12 ;)

When you answer this please show your work I

Answers

Answer:

wait the whole thing or just one question? if one question please tell me which one! thanks!

Step-by-step explanation:

Answer:

Step-by-step explanation:

I will give brainliest

Answers

I would say the answers to your questions are
8.) 40+18.25x > 124+7.75x X=9
9.) 72.6+1.3x ≥ 80.4-1.82x X=3
Just plug in the numbers for X if you need the finished equation rather than needing what X equals

In the diagram, CA and BA are extended as shown. Tell whether each statement is True or False.

Answers

false false true true false. i had to do this for math already

What improper fraction is the same as 12 3/4?
A) 51/4
B) 12/4
C) 123/4
D) 48/4

Answers

51/4 because you multiply 12*4 which is 48 and add 3 so you get 51. You keep the denominator so you should get 51/4.

Answer:

Step-by-step explanation:

Convert the mixed number in the question to a improper fraction and cross multiply to see if they equal the same

I give 23 points!!

The distance between two towns is 120 kilometers. There are approximately 8 kilometers in 5 miles. Which measurement is closest to the number of miles between these two towns?

Please explain well bc I have a test over proportion tomorrow.

Here are the options:

Thanks!

Answers

Answer:

75 miles

Step-by-step explanation:

8 × blank how many times does. 8 go into 120 it goes in 15 times so now we got 15 what is 15×5 because. 8 km is 5m

Find the value of x that makes the equation true.
2x + 3 = 20

A. x= 17/2
B. x= 5
C. x= 10
D. x= 2/17

Answers

Answer:

A. x = 17/2

Step-by-step explanation:

2x+3=20

to find the value of x, isolate the variable!

1. Subtract 3 from each side of the equation

2x + 3 - 3 = 20 - 3

[+3-3 is 0 so we can take that out; 20-3=17]

2x = 17

2. Divide each side by 2

2x/2 = 17/2

[2x/2 = 2/2*x = 1*x = x]

x = 17/2

hope this helped n happy mathing lmfaldsfk

solving equations of different solution types help please

Answers

Do the work in parentheses first then you solve the rest

Someone help me with this ASAP!

Answers

Answer:

12/15, $0.90, 375, 4,800, 2 cups of water to 8 cups of flour

Step-by-step explanation:

2)12/15

[tex]4.50 \div 5 = 0.90[/tex]

[tex]30 \times 250 = 7500[/tex]

[tex]7500 \div 20 = 375[/tex]

[tex]3000 \times 8 = 24000[/tex]

[tex]24000 \div 5 = 4800[/tex]

6)2 cups of water and to 8 cup of flour

Change the mixed number 14 2/3 to an improper fraction.

Answers

Answer:

44/3_____________________

Answer:

44/3

Step-by-step explanation:

3 x 14 is 42 + 2 is 44

so 44/3

Help!!!!! This is the last one.

Answers

Answer:

C. 12 pages

Step-by-step explanation:

Doreen can get done 2 pages in 5 minutes. there is 30 min in half an hour so 5÷30=6

6x2=12

sorry I am not The best in explaining.

i think it’s 6. because it’s 60 min / 5min = 12 / 2 = 6

Which of the following choices best describes the expression 2/3(3/4x − 3/2)
Question 2 options:

equivalent to 12x − 1

equivalent to x − 12

not equivalent to 12x − 1 or x − 12

Answers

Answer:

third option

Step-by-step explanation:

The most logical

The last one, not equivalent to 12x-1 or x -12

Mr. Hernandez opened a flower shop. He took a random survey by asking every 5th customer to find out their favorite flower. Who is the sample?

all the customers
every 5th customer
all the flowers
all the people in the town

Answers

every 5th costumer i think

Answer:

sample: every 5th customer

Hope this helps!!!

i need help please ??

Answers

Answer with step-by-step explanation:

Equation: x × 4 = y

This equation is true because if you look at the graph, multiply 4 by each x length and you will get the y length.

Hope this helped!

Answer:

×4

Step-by-step explanation:

you can multiply 6 ×_=24 the blank is 4 because 6 × 4 s = 24

9 ×__ =36 and its still four because 9 x 4 =36

and 15 ×__ is =60 because 15 × 4 = 60

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