Mathematics Middle School

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 29 ​pennies, 13 ​dimes, and 21 quarters. The rest of the coins are nickels. There are 91 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Answers

Answer 1

Answer:

n+29+13+21=91

Step-by-step explanation:

63+n=91

n=28

there are 28 nickels

Answer 2
n=28, your answer would be 28 nickels

Related Questions

4.0374 ÷1.8 =0.2243
Is this solution correct?
If yes, tell me the steps to support your decision.
If no, describe the error(s) that Jordan made AND tell me the correct solution
PLEASE AND THANK YOU :C

Answers

Answer:

False

Step-by-step explanation:

the left side 2.243 does not equal to the right side 0.2243,which means that the given statement is false

and i am correct trust me :).

There is 1/3 gallon of water in a 3-gallon container. Write a multiplication AND a division equation to represent the situation.

Answers

Answer:

1/3

Step-by-step explanation:

1×3÷3=1/3

Answer:

1/3

Step-by-step explanation:

Find five solutions for the linear equations -x+3/4 y=-6, and plot the solutions as points on a coordinate plane. please help me with this

Answers

The answer should be 1=1-45+78/=r’d

Solve this question.

Answers

i cant see the picture but i need pointss lamaa
Fr same here I need points

PLEASE HELP A GIRL OUT!!

Answers

Answer:

C

Step-by-step explanation:

It is C because the question asks for 1/4th of the wholw angle =45 degrees

hope this helps

Answer:

I think its c

Step-by-step explanation:

b/5 = 8/16

(character limit)

Answers

b is 2.5 because b/5 should be 1/2, 2b is 5, 5/2 is 2.5
2.5 i believe
16/8=2 so then 5/2=2.5

Triangle BAM is shown along with its image ΔB′A′M′ on the coordinate plane.
Coordinates:
B: 1, -4 B': -1, -4
A: 4, 12 A': -4, -2
M: 2, 5 M': -2, 5

Write a verbal description of the reflection and describe the reflection using symbolic representation.

Answers

Answer:

The reflection is and classic reflection across the y-axis as the y stay the same and the x does not.

I wish I could help u with this one

The rectangle and the trapezoid have the same area. What is the length l of the rectangle?



l=
ft

Answers

The nacer is 66 or67 not that shere

The length 'l' of the rectangle will be;

⇒ l = 18 feet

What is mean by Rectangle?

A rectangle is a two dimension figure with 4 sides, 4 corners and 4 right angles. The opposite sides of the rectangle are equal and parallel to each other.

Given that;

The rectangle and the trapezoid have the same area.

Now,

Since, The rectangle and the trapezoid have the same area.

Hence, We get;

Area of rectangle = l × 9

And, Area of trapezoid = 1/2 (24 + 12 ) × 9

                                   = 1/2 × 36 × 9

                                   = 18 × 9

                                   = 162

So, We get;

⇒ l × 9 = 162

⇒ l = 162/9

⇒ l = 18 feet

Thus, The length 'l' of the rectangle will be;

⇒ l = 18 feet

Learn more about the rectangle visit:

https://brainly.com/question/2607596

#SPJ2

put 2/3 5/7 16/21 in order from least to greatest

Answers

Answer:

5/7, 2/3, and 16/21

Step-by-step explanation:

If you put them all under the same denominator you will get 2/3=14/21, 5/7= 10/21, and 16/21. And if you put them in order it is 10/21, 14/21, and 16/21. Hope this helps, let me know if correct!!

2/3, 5/7, 16/21

Step-by-step explanation:

turn them into decimals

first correct answer gets braniliest

Which is the solution to the inequality?

Y + 15 < 3

y less-than negative 12
y greater-than negative 12
y less-than 18
y greater-than 18

Answers

Y = less than 18.

If you want me to explain I can in the comments

I NEED HELP AGAIN PLS

Answers

Answer:

70% of 2500 is 1750 so blue is the correct color.

Have a great day please mark brainliest.

48 decreased by a number
turn phrase into alegrabralc expression

Answers

Answer:

48-x

Step-by-step explanation:

Decreased means subtraction

Let x be the unknown number

48-x

The answer to this is 48-x !!

I need help asap pls

Answers

Answer: Its B

Step-by-step explanation: Hope this helps you

Correct it is c. I also double checked.

HELP ME PLEASE! I NEED HELP, ASAP! THX

Answers

Answer:

6

Step-by-step explanation: so 3x2 is 6 because you have 2 color and 3 different options of shirts.

Answer:

5

Step-by-step explanation:

First-person to get this right with an explanation gets Brainliest

Elena has some bottles of water that each holds 17 fluid ounces. A. Write an equation that relates the number of bottles of water (x) to the total volume of water (y)in fluid ounces. B. How much water is in 51 bottles? C. How many bottles does it take to hold 51 fluid ounces of water?

Answers

Answer:

17b

Step-by-step explanation:

Total volume of water = amount of water in each bottle x total number of bottles. The equation that relates the number of bottle of water (b) to the total volume of the water (w) in fluid ounces is w = 17b

Answer:

A. y = 17x

B. 867 fluid ounces

C. 3 bottles

Step-by-step explanation:

There are few bottles of water that each contain 17 fluid ounces of water.

A. If the number of bottles is given by x and the total volume of water those bottles contain is y in fluid ounces, then the equation that relates x and y is  

y = 17x ...... (1) (Answer)

B. If x =51, then the volume of water in 51 bottles will be given by equation (1) as  

y = 51 × 17 = 867 fluid ounces. (Answer)

C. If y = 51 fluid ounces, then from equation (1), the number of bottles will be given by x = 51/17 =3 bottles. (Answer)

What is the prime factorization of 144? Be sure to show your strategy.

Answers

Answer:

So, the prime factors are written as 2 x 2 x 2 x 2 × 3 x 3 or 24 x 32, where 2 and 3 are the prime numbers. It is possible to find the exact number of factors of a number 144 with the help of prime factorisation. The prime factor of the 144 is 24 x 32. The exponents in the prime factorisation are 4 and 2.

Step-by-step explanation:

how would you solve -5(x - 1) = 40

Answers

you would distribute the -5 to the x and the -1, so it would be:
-5x+5=40
you would then subtract 5 from both sides, so you would get:
-5x=35
you would then divide by -5 on both sides, so you would get:
x=-7

Answer:

x = -7

Step-by-step explanation:

Apply the distributed property: -5x - -5 = 40Simplify: -5x + 5 = 40Subtract 5 from each side, so it now looks like this: -5x = 35Divide each side by -5 to cancel out the -5 next to x. It should now look like this: x = -7

I hope this helps!

The sequence below shows the number bacteria Arjun observed each hour for a science experiment:
5, 20, 80, 320,1,280,..
Which recursive function describes the number of bacteria observed at the nth hour?

Answers

Answer:

Hope this helps!

Step-by-step explanation:

Hope this helps


See screen shot :)

Which 2 expressions both result in decreasing by 13%

A x-0.13x and “multiply x by 0.13”
B x-0.13x and “multiply x by 0.87”
C x-0.87x and “multiply x by 0.13”
D x-0.87x and “multiply x by 0.87”

Answers

A and B should be it

Answer:

Step-by-step explanation:

lol so It's the same question but I typed it wrong now it gave me another completely different question :,)

Answers

this is a sign to ask your teacher for help

Answer:

2.05

Step-by-step explanation:

plls give brainliest

wich inequality is true?

Answers

Answer:

Step-by-step explanation:

just put them into percents lol

50% < 33.33% not true

75% > 66.66% true

-25% < -66.66% not true

-100% > 75% not true

so the second one is true

hope this helps <3

I believe it is the second one. It would be the only one that would make sense! Hope I helped!

rewrite this expression using a positive exponent. 1/2^-6

Answers

64is the answer hopefully it will be correct

please help! thanks :)

Answers

The correct answer is A.

What is the slope of the line in the graph?

Answers

Do rise/run
Rise = 3, run = 3
The slope is 1
R-3 and S-3
um u i think

ILL GIVE U A BRAILYEST IF U EXPLAIN AND ANSWERRRR

Answers

Answer:

Step-by-step explanation:

since the scale is 15 feet for every 2 inches and the scale model length is 3:  

3/2 = 1.5

multiply 1.5 to 15 feet: 22.5

answer is 22.5

Answer:

22.5

Step-by-step explanation:

2 in.=15 this is the scale as a ratio

1 in.=7.5  by dividing by 2 you can find what one inch would represent int he scale model

3 in.=22.5  by multiplying by 3 you find how many 3 inches in the scale model represents.

8=f-(13-2)
???? help

Answers

Answer:

I got you

Step-by-step explanation:

f= 19

Simplifying
8 = F + -1(13 + -2)

Combine like terms: 13 + -2 = 11
8 = F + -1(11)

Multiply -1 * 11
8 = F + -11

Reorder the terms:
8 = -11 + F

Solving
8 = -11 + F

Solving for variable 'F'.

Move all terms containing F to the left, all other terms to the right.

Add '-1F' to each side of the equation.
8 + -1F = -11 + F + -1F

Combine like terms: F + -1F = 0
8 + -1F = -11 + 0
8 + -1F = -11

Add '-8' to each side of the equation.
8 + -8 + -1F = -11 + -8

Combine like terms: 8 + -8 = 0
0 + -1F = -11 + -8
-1F = -11 + -8

Combine like terms: -11 + -8 = -19
-1F = -19

Divide each side by '-1'.
F = 19

Simplifying
F = 19

Number 6: In a football game, the Bobcats scored all touchdowns, which are worth 7 points each. The Crocodiles scored all field goals, which are worth 3 points each. Neither team went scoreless. The final score of the game was the lowest tie possible given these conditions. How many points did each team score?



number 6 and number 7 are not together


Number 7: Multiplying a number by its reciprocal always results in a product of 1. What number must be multiplied by 3 23 to create a product of 1?

Answers

Answer: 0.1304

Step-by-step explanation:

Answer: 21points
Step-by-step explanation: 3 times 7 equals 21

Quick! Will give brainliest!

Answers

b= -3
m= 2
y= 2x-3
Hope this helps!

Answer:

b = -3

m = 3/2

equation: [tex]y = \frac{3}{2} x - 3[/tex]

Step-by-step explanation:

b is the y-intercept, or where the line meets the y-axis.

m is the slope. rise/run = 3/2

equation - im assuming you wanted slope-intercept form (y=mx+b)

I have been stuck on this and I just can't remember what to do

Answers

Answer:

angle JKL= 54 degrees

Step-by-step explanation:

look they are congruent

(2x+5)=(3x-6)

x=11

then plug in

2x+5

2(11)+5

=27

then

3x-6

(3)(11)−6

=27

Both are congruuent

27+27=54

the answer is 54 because if you complete 2x+5=3x-6, x=11 which makes 2(11)+5, which equals 22+5=27, and 27+27 is 54

A rectangular cardboard has dimensions as shown. The length of the cardboard can be found by dividing its area by its width. What is the length of the cardboard in inches?

Rectangle with width labeled on the right, width equals 4 and 1 over 2 inches. Below the rectangle, it says, length equals question mark. Inside the rectangle, it says area equals 36 and 3 over 4 square inches.

8 and 1 over 6
9 and 3 over 4
32 and 11 over 20
154 and 7 over 20

Answers

I just did this..............
Try 8 1/6 If it’s wrong don’t hesitate to message me if it is. I will gladly fix my answer
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