Molly bought 10 bags of the same dog food. She had a coupon for $5. She spent a total of $65. Write an equation to determine the cost of each bag of dog food
STEP IT OUT:

Answers

Answer 1

Answer:

7

Step-by-step explanation:

Molly bought 10 bags of the same dog food. She had a coupon for $5. She spent a total of $65. How much money was each bag of the dog food?

example:

ositive numbers

numbers greater than zero

Negative Numbers

numbers less than zero

Integers

whole numbers and their opposites

Absolute Value

The distance a number is from zero on a number line. ALWAYS POSITIVE

equation

A mathematical sentence that contains an equals sign.

more examples:

9- (-9)=

18

121 / -11

-11

2(n + 5) = −2

-6

9

−9x + 1 = −80

253 + 234=

487

−15 = −4m + 5

5

8n + 7 = 31

3

Hope this helps bsf


Related Questions

A rabbit weighs 2.8 kilograms. How many grams does the rabbit weigh? Use the number of zeros of the product when multiplying a number by
power of 10 to help you. (1 point)
2,800 grams
28 grams
28,000 grams
280 grams

Answers

Answer:

Option A

Step-by-step explanation:

Given data

We are told that the weight of the rabbit is 2.8 kilograms

We also want to convert from kilograms to grams

We  know that 1kg= 1000 grams

            Hence 2.8 kg= x gram

Cross multiply

x= 2.8*1000

x= 2800 grams

Hence the weight in grams is 2800grams

Option A is correct

Answer:

it is A

Step-by-step explanation:

2,800

Select each equation which is equivalent to 60% of 25.

0.6 • 25 = x
X • 1.6 = 25
16
60
100
25
25
100
6.0 • 25 = x

Answers

Answer:

Step-by-step explanation:

The answer choices are not displaying properly. There are many ways to express the relation. For example:

X = 60% of 25

X = 0.60 × 25

X = 0.6 × 25

X = 60/100 × 25

X = 6/10 × 25

X = ⅗ × 25

anyone elses gym teacher play its raining tacos like the whole gym class? lol just me?

The number 5/7 can be best described as a(n) _____.

mixed number
improper fraction
proper fraction

Answers

Answer:

proper fraction

Step-by-step explanation:

Nope just yours l.ma0.

The answer is proper fraction.

1.309 > 1.315 lololoolollooolllllllllllllllllllll

Answers

Answer:

I’m confused on what you want me to do but that is false

Step-by-step explanation:

Answer:

the answer is 1.309<1315

6/54-x = 5/x
x=____



Answers

Answer:

x=−44/9

Step-by-step explanation:

6/54−x=5/xx

Simplifies to:

−x+1/9=5

Let's solve your equation step-by-step.

−x+1/9=5

Step 1: Subtract 1/9 from both sides.

−x+1/9−1/9=5−1/9

−x=44/9

Step 2: Divide both sides by -1.

−x/−1=44/9/−1

x=−44/9

How many books can be read in twenty-four days if sixteen books can be read
in seventy-two days at the same rate?

Answers

Answer:

for step of kepp of yours alive

I believe 5.333 repeating.

24*3=72
So I believe all you do is divide 16 by 3. I may be wrong though. I’m sorry if this didn’t help.

Which equation is true?

Answers

Answer:

i think its the 3rd option

PLEASE HELP ME!
Answer in as much detail as needed please! Im giving 15 points for the best one!

Answers

Step-by-step explanation:

The answer is 220in^2 and hope it's useful and helpful to you.

are the rates equivalent?

Answers

Answer:

No

Step-by-step explanation:

0.3/4= 0.075

0.9/15= 0.016

They aren't equal.

Answer:

no they are not

Step-by-step explanation:

cause I said

What is the slope of the line through the points (2, 5) and (6, 13)?

Answers

Answer:

Step-by-step explanation:

Rule: Y2 - Y1 / X2 - X1

m= 13-5 ÷ 6-2

  =8/4 =2

Hope it helps! :D

on monday, johnny had $30 in his lunch account. On Friday, he had $15 in his account.

Answers

Answer:

Im a little confused as to what the question is

Step-by-step explanation:

I believe that maybe your question was, "how much money is the lunches at the school?" if so.. I can help.

If he spent $15 for 5 days, and we are assuming he had lunch every day....

$15 divided by 5 equals $3.

The school lunches are $3.

Solve 4/y=2/11 plz i need answer

Answers

y = 22

4/y = 2/11
(Times 4 by 11 and 2 by y)

44 = 2y
(2 divided by 44)
y = 22

Use the following table to find the Rate of Change.

Answers

Answer:

x=1 and y= 6

Step-by-step explanation:

and for y its a positive cause their both negitives

While working at a soup kitchen, Roxanne made a pot of vegetable soup to serve 25 people. She made 10 quarts of soup, and gave each person an equal portion.
How much soup did each person get?
Write your answer as a proper fraction or mixed number.

Answers

Answer:

2.5 quarts or 5/2

Step-by-step explanation:

Answer:

2/5 quarts or 0.4 quarts

Step-by-step explanation:

there are 25 persons

she made 10 quarts soup

10 quarts / 25 persons = 2/5 quarts = 0.4 quarts

2. Jules conducted a survey and asked 100
people how many years of education they have
and what their annual income is. She used the
results to make a scatter plot.

What type of assoastion should she expect to see in the scatter plot

Answers

"Positive association" would be the answer.

What is the y-intercept? y = -1/3x + 4

Answers

it would be 4. in the equation y=mx+b, b is the y-intercept.

Answer:

4

Step-by-step explanation:

the y intercept is never with another variable, -1/3 would be the slope

Can anyone help me please
I’ll mark brainliest.

Answers

Answer:

1. his account will be 120

2. 6 weeks

3. Yes, Lala will get 120 in 4 weeks while Andra will get 100

If you wanted to know Andra equation will be y=20x+20

Step-by-step explanation:

Hope this helped

2/3 of all your books are fiction. 1/6 of those are historical fiction.

What fraction of all your books are historical fiction?




1/9

1/18

1/3

1/2

Answers

Answer:

1/9

Step-by-step explanation:

2/3 x 1/6 = 2/18 or 1/9

1/9

Explanation: Very BIG Brain reasons!

What are three other names for range. ( This is for algebra)

Answers

Answer: area.
dimension.
length.
scope.

i will mark u brainles if you're correct

Answers

9514 1404 393

Answer:

  rules of exponents apply

Step-by-step explanation:

The applicable rules of exponents are ...

  a^-b = 1/a^b

  (a^b)(a^c) = a^(b+c)

__

Applying those rules to the given equation, you get ...

  [tex]\left(\dfrac{1}{5}\right)^4\cdot\left(\dfrac{1}{5}\right)^2=5^{-6}\\\\ \left(\dfrac{1}{5^4}\right)\cdot\left(\dfrac{1}{5^2}\right)=5^{-6}\\\\ (5^{-4})(5^{-2})=5^{-6}\\\\5^{-4-2}=5^{-6}\\\\5^{-6}=5^{-6}[/tex]

An inlet pipe can fill a water tank in 12 hours. An outlet pipe can drain
the tank in 20 hours. If both pipes are mistakenly left open, how long will
it take to fill the tank?

Answers

Answer:   30 hours

============================================================

Explanation:

Let's consider the tank's full capacity is 240 gallons. I'm picking this number because 12*20 = 240.

If the tank is 240 gallons, then the inlet pipe can fill it at a rate of 240/12 = 20 gallons per hour. Note after 12 hours, we have 12*20 = 240 gallons filled assuming the outlet pipe is sealed shut.

At the same time, the outlet pipe is draining at a rate of 240/20 = 12 gallons per hour. After 20 hours, the outlet pipe would drain out 12*20 = 240 gallons assuming the inlet pipe is not adding any water.

With the two pipes playing this tug-of-war battle, the inlet pipe ultimately wins because it's adding more gallons of water each hour, compared to the amount drained per hour. The net change is +20-12 = 8 gallons per hour.

This means it will take 240/8 = 30 hours to fill the tank with both pipes open.

----------------------------------

Another approach:

The inlet pipe can fill the tank in 12 hours, so it gets 1/12 of the job done per hour. The outlet pipe drains the tank in 20 hours, so it gets 1/20 of the job done in one hour.

The net change is 1/12 - 1/20 = 5/60 - 3/60 = 2/60 = 1/30

This means that when both pipes are open, 1/30 of the job is done per hour. By "job", I mean "filling the tank".

If x is the number of hours needed to do one full job, then we can multiply that by the unit rate (1/30) and set the result equal to 1

(rate)*(time) = 1 job

(1/30)*x = 1

x = 30*1

x = 30

It takes 30 hours to do the job with both pipes open.

Is -3x+5=-3x+8 infinate many solutions

Answers

Maybe




Know knows, calculate it

Consider the system of equations.

8x+2y=8

y= −4x+4

The system has blank solutions.
SELECT CHOICE
no,
infinitely many,
one.

Answers

then both equation r same after we re arrange it so no result

please help!! I need help with this math angle stuff

Answers

Answer:

A:

1,5

2,6

3,7

4,8

B:

1,8

2,7

C:

3,6

4,5

Answer:

A) 2 & 8    1 & 7

B) 1 & 8     2 & 7

C) 3 & 6    4 & 5

Step-by-step explanation:

Write the equation in standard form for the circle passing through (2,6) centered at the origin.

Answers

Answer:  x^2 + y^2 = 40

==========================================================

Explanation:

The center is the origin, so (h,k) = (0,0).

The point (x,y) = (2,6) is on the circle's edge. We'll use these four values to find the value of r^2

(x-h)^2 + (y-k)^2 = r^2

(2-0)^2 + (6-0)^2 = r^2

2^2 + 6^2 = r^2

4 + 36 = r^2

40 = r^2

r^2 = 40

We don't need to solve for r itself. If you wanted to, you'd get the radius to be r = sqrt(40) = 2*sqrt(10) = 6.324555 approximately.

------------------

Since h = 0, k = 0, and r^2 = 40, we can say:

(x-h)^2 + (y-k)^2 = r^2

(x-0)^2 + (y-0)^2 = 40

x^2 + y^2 = 40

solve 256^(x+2)=16^(3x-1)
x=

Answers

X = 5
Hope this helps

Write and solve an equation to answer the question,
"18 is 32% of what number w?"
An equation is
= 0.32
The solution is w=

Answers

Answer:

the answer is 56.25

Step-by-step explanation:

.32x=18

×=56.25

A water bottle costs $9.45. Sales tax is 7%. What is the total cost?

Answers

Answer:

$10.11

Step-by-step explanation:

Before Tax Price: $9.45

Sale Tax: 7.00% or $0.66

After Tax Price: $10.11

Answer:

9.46

Step-by-step explanation:

divide 9.45 by .07 then add that to 9.45 and round

please help me please do them all its just thrree

Answers

4x+12, 4x+12
10+50m+20, 30+50m
8a+a^2+3a, 11a+a^2

Step-by-step explanation:

hope this helps. I worked out then posted.

What is the approximate volume of a cone with height of 6 mm and a radius of 18 mm use 3.14 to approximate pi and express your final answer to the nearest hundredth

Answers

Answer: 2034.72

Step-by-step explanation: i got 100% on the quizz and it is correct.

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