1. A collection of nickels and dimes has a value of $1.85. The value of
the dimes is $0.10 less than twice the value of the nickels. Which
system of equations can be used to find the number of nickels and
the number of dimes?

A. n+d = 185; n-d = 1
B. n+d = 185; 2n-d = 1
C. 5n+10d = 185; d = 2n - 1
D. 5n + 10d = 185; n - d = 1

Answers

Answer 1

Answer:

D.) is the correct answer


Related Questions

For which equations is 8 a solution? Select the four correct answers.
x + 6 = 2
x + 2 = 10
x minus 4 = 4
x minus 2 = 10
2 x = 4
3 x = 24
StartFraction x Over 2 EndFraction = 16
StartFraction x Over 8 EndFraction = 1

Answers

Answer:

The answers include

x + 2 =10

x - 4 = 4

3x = 24

Start Fraction x Over 8 End Fraction = 1

Step-by-step explanation:

x + 2 = 10; 8 + 2 = 10

x - 4 = 4; 8 - 4 = 4

3x = 24; 3(8) = 24

Start Fraction x Over 8 End Fraction = 1; 8/8 = 1

Equations with solution x = 8 are

x + 2 = 10,

x minus 4 = 4,

3x = 24,

Start Fraction x Over 8 End Fraction = 1

What is equation?

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Given equations

x + 6 = 2

⇒ x = 2-6

⇒ x = -4

x + 2 = 10

⇒ x = 10 - 2

⇒ x = 8

x minus 4 = 4

x - 4 = 4

⇒ x = 4 + 4

⇒ x = 8

x minus 2 = 10

x -2 = 10

⇒ x = 10+2

⇒ x = 12

2x = 4

⇒ x = 4/2

⇒ x = 2

3x = 24

⇒ x = 24/3

⇒ x = 8

Start Fraction x Over 2 End Fraction = 16

x/2 = 16

⇒ x = 2(16)

⇒ x = 32

Start Fraction x Over 8 End Fraction = 1

x/8 = 1

⇒ x = 8(1)

⇒ x = 8

Hence, equations

x + 2 = 10,

x minus 4 = 4,

3x = 24,

Start Fraction x Over 8 End Fraction = 1

have 8 as solution.

Learn more about equation here:

https://brainly.com/question/1529522

#SPJ6

A drink is made by adding water to juice.
Instructions
Add an amount of water that is between 3 times and 5 times the amount of juice
Tanya has 130 ml of juice.
If she follows the instructions, work out the minimum and maximum amounts
of the drink she can make.

Answers

Tanya need to learn how to cook \ (•◡•) /

400_349 is same as 200_?

Answers

Feel like more info is probably needed but my best guess is 174.5 because 400 divide by 2 equal 200 and 349 divided by 2 equals 174.5

stella rewrites -2 1\2+3.7 as 3.7-2 1\2​

Answers

Answer:

Step-by-step explanation:

Yes correct.

Commutative property upon integer addition/subtraction

-3 + 2 = 2 - 3

32 to 35 weeks have a mean weight of 2500 grams and a standard deviation of 800 grams while babies born after a gestation period of 40 weeks have a mean weight of 2800 grams and a standard deviation of 370 grams. If a 32​-week gestation period baby weighs 2375 grams and a 41​-week gestation period baby weighs 2675 ​grams, find the corresponding​ z-scores. Which baby weighs less relative to the gestation​ period?
Find the corresponding​ z-scores. Which baby weighs relatively less​? Select the correct choice below and fill in the answer boxes to complete your choice.
​(Round to two decimal places as​ needed.)
A.
The baby born in week 32 weighs relatively less since its​ z-score, nothing​, is smaller than the​ z-score of nothing for the baby born in week 41.
B.
The baby born in week 41 weighs relatively less since its​ z-score, nothing​, is smaller than the​ z-score of nothing for the baby born in week 32.
C.
The baby born in week 41 weighs relatively less since its​ z-score, nothing​, is larger than the​ z-score of nothing for the baby born in week 32.
D.
The baby born in week 32 weighs relatively less since its​ z-score, nothing​, is larger than the​ z-score of nothing for the baby born in week 41.

Answers

Answer:

Step-by-step explanation:

Answer:

Babies of 33 week weighs relatively less than the babies of 41 week.

Explanation:

Z score is determined by

x-u/sd

A) For 33 Week baby

Given

Mean 2500

SD 800

Z score is

2600-2500/800 =0.125

B) For 41 Week baby

Given

Mean 2800

SD 425

x=2900

Z score is

2900-2800/425 =0.235

The z score depicts that the baby of 33 week or 41 week weighs more than the normal babies of same age group.

Thus, babies of 33 week weighs relatively less than the babies of 41 week.

how to you solve 2/5g = 3/5

Answers

Answer:  =  3 /2

Step-by-step explanation:

What is the solution to the equation -2(2x - 4)= -5x + 3?

Answers

Answer:

x=-5

Step-by-step explanation:

Answer:

I am not here in math yet, but I am going to try and solve this,

I think it is ... x= -5??

Step-by-step explanation:

A deposit of $325 is made to a checking account that pays 4% annual interest, compounded quarterly.

Answers

Answer:

The amount is $338.2 and the interest is $13.20

Step-by-step explanation:

What is the mean of the following numbers?
10, 5, 8, 13

A. 8
B. 13
C. 9
D. 10

Answers

Answer:

9

Step-by-step explanation:

add up all the number's, the divide by how many number's that were used in the equation. in this case, four numbers.

What is the answer to 6/8 ×2 =

Answers

1.5

Step-by-step explanation:

= 6 / 8 × 2

= 0.75 × 2

= 1.5

plz follow me

The answer to 6/8x2 would be 1.5

5 points
Sc15.)
Katie made 24 cupcakes
. She gave some of them to McKinley. Let c
represent the amount she gave to McKinley. Write an expression to
represent how many cupcakes Katie has left.
24-
2
C - 24
24c

Answers

Answer:

  24 - c

Step-by-step explanation:

The number of cupcakes Katie has left is the number she made minus the number she gave to McKinley.

__

  starting number - number given =

  24 - c . . . . . . . the number of cupcakes Katie has left

Pleas help me ASAP....

Answers

Answer:

I am pretty sure it is D if im not right correct me and if i am right plz mark brainliest

Step-by-step explanation:

Hii i really need help!!
Write a paragraph with 10+ sentences about something math related (algebra 1)

Answers

Answer:

Algebra 1 is the second math course in high school and will guide you through among other things expressions, systems of equations, functions, real numbers, inequalities, exponents, polynomials, radical and rational expressions. ... Mathplanet hopes that you will enjoy studying Algebra 1 online with us!

Step-by-step explanation:

Wrote whatever and here is a Question the the answer v-29 4/5 = 1/5

Heyy plsss helppp it’s important!!!

Answers

Answer:

x is less than or equal to 3

Step-by-step explanation:

The dot is a closed dot, which means that it is something or equal to, and the arrow is pointing down, which means less than. So the sign would be less than or equal to (sorry I don't have that sign on my computer). The dot is on three, so the inequality is x is less than or equal to 3.

Please hurry; Toni's grandparents bought a house in 1975 for $28, 000. Every decade, the value of the house doubles. What will be the house's value be in 2020, to the nearest thousand?

a $317, 000
b $448, 000
c $634, 000
d $896, 000

Answers

Answer:

c. $634,000

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

His initial cost is $28,000. Every decade the value of the house doubles. We are in year 1975. Let's add 10 years (a decade) 1975+10= 1985. Since we added ten years, we will double $28,000 which is $56,000. Let's add 10 more years 1985+10 is 1995. Since we added 10 years more, we double $56,000 which is $112,000. Now we can still add 10 more years. Do the same thing you did for the first and second decades. You should get the year 2005 and $224,000. We can still add 10 more years to get to 2020. Our year will be 2015 and our total amount in dollar is $224,000² = $448,000. Since the value doubles every decade you ignore the 5.

A 12-pack of soda costs $10.08 and a 6-pack of the same soda cost $5.34. Which is
the better buy?

Answers

Answer:

the twelve pack

Step-by-step explanation:

12 pack = $10.08 if u get the 6 pack for $5.34 and want to buy two pack it equals $10.68 if you want to save change buy the 12 pack

The 6 pack is the better buy because the cost per soda would be about $1.12, vs with the 12 pack the cost per soda would be about $1.19

-20 greater than or equal to 5w

Hurry!!!

Answers

w = -4 or more because -4 times 5 equals -20.


If the original quantity is 10 and the new quantity is 12, what is the percent increase?
The percent increase is %.

Answers

Answer:

20.00% increase, lmk if you need an explaination

Which equation represents a line which is parallel to the line
6x + 7y = –49?

Answers

Answer: y= 7/6x-5

Step-by-step explanation:

The equations of parallel lines have the same slope or rates.

The equation of the line parallel to [tex]\mathbf{6x + 7y = -49}[/tex] is [tex]\mathbf{y = -\frac 67(x - x_1) + y_1}[/tex]

The equation is given as:

[tex]\mathbf{6x + 7y = -49}[/tex]

Make 7y the subject

[tex]\mathbf{7y = -6x-49}[/tex]

Make y the subject

[tex]\mathbf{y = -\frac{6}{7}x -7}[/tex]

A linear equation is represented as:

[tex]\mathbf{y =mx + b}[/tex]

Where m represents the slope.

So, we have:

[tex]\mathbf{m = -\frac 67}[/tex]

Parallel lines have the same slope.

So, the slope of the line is [tex]\mathbf{m = -\frac 67}[/tex]

The equation is then calculated as:

[tex]\mathbf{y = m(x - x_1) + y_1}[/tex]

Substitute [tex]\mathbf{m = -\frac 67}[/tex]

[tex]\mathbf{y = -\frac 67(x - x_1) + y_1}[/tex]

Hence, the equation of the line parallel to [tex]\mathbf{6x + 7y = -49}[/tex] is [tex]\mathbf{y = -\frac 67(x - x_1) + y_1}[/tex]

Read more about parallel lines at:

https://brainly.com/question/402319

10
Bridget was thinking of a number. Bridget adds 8 to it, then doubles it and gets an answer of 21.9. What was the original number?

Answers

Answer: Bridget was thinking of the number 2.95

Step-by-step explanation:

21.9 / 2 = 10.95

10.95 - 8 = 2.95

Question 1 options:

3


8


12


2.5

Answers

Answer:

2.5

Step-by-step explanation:

(I'm assuming you're doing this the same way I learned it, if not I'm sorry if it doesn't make sense)

[tex]\frac{2}{x}[/tex]=[tex]\frac{12}{15}[/tex]

Cross multiply

12x=30

Divide

x=2.5

This is just one way to do the problem. An easier way is to simplify the fractions.

[tex]\frac{2}{x}[/tex]=[tex]\frac{4}{5}[/tex]

You can either cross multiply or figure out that 2 is half of four and simply divide 5 by 2 which will also result in 2.5

HELP ASAP PLSSSSSSSSSSSSSSS​

Answers

Answer:

a. 5ab                  b. 11x+15y

Answer:

a. 5ab

b. 11x+5y

Step-by-step explanation:

12ab-7ab they have the same variables, so you can just subtract

19x+5y-8x just rearrange it to 19x-8x+5y and subtract 19x and 8x

Explain answer !!

( WILL GIVE BRAINLEST)

Answers

the answer would be 3,1

Please help
Will give brainlst

Answers

the answer is D. 24 :)

Answer:

The answer is D. 24

Step-by-step explanation:

there are 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.

If you add them together: 6 + 12 + 6 +24

Austen makes $8.15 per hour working for a landscaping company. How much does he make In 7 hours?​

Answers

Answer:

57.05

Step-by-step explanation:

Answer:

$57.05

Step-by-step explanation:

$8.15 x 7 = $57.05

Write an expression showing 5 less than the number K

Answers

Answer:

k-5

Step-by-step explanation:

Describe the figure use parallel perpendicular or intersecting use the most specific term

Answers

Answer:

Parallel lines never intersect, but they must be in the same plane. The definition does not require the undefined term point, but it does require plane. Because they intersect, perpendicular lines must be coplanar; consequently, plane is not required in the definition.

Stephanie bought a pair of earrings for $3.25 and a necklace for 5.25. The tax rate is %8. What is the total cost including tax?

Answers

Answer:

9.56? sorry if it is wrong <3

Step-by-step explanation:

I also think the answer is what the person on top put

Brenda and her family ate dinner at Mi Hacienda. The cost for dinner was $25.50 and they had excellent service. They wanted to leave a 20% tip. How much money did they leave for a tip?
I need the percent and the whole please answer quickly first answer gets brainliest​

Answers

Answer:

$5.1 tip

Step-by-step explanation:

Just need help with changing the y-intercepts of the asymptotes :) please help asap!!!

Answers

Answer:

why do you need do give almost ALL your points when people and your one only question???????????

Other Questions
!!(Help me please)!!The median test score in your friends class isA)80B)70C)90D) none of the above True or false:There is some translation(x, y) + (x + h, y + k) that maps a squareto a circle.Select one:O TrueFalse m-6=10What does m equal? How much dna is in each nucleus of each cell Which two expressions are equivalent to 5^2/5^8A 1/5^6B 1^-6C (5^2)^-3D (5^2)^-8 A centrifuge is used to divide blood into two portions. Look at Figure 2. What is the measure of x ? ( Hint: you may need to use triangle ACE to help you;) notice the right angle??? * I NEED HELP ASAP! Which organisms dna will differ the most from the bird Based on the events in the story, how has Reggie changed? 288 in the ratio 1:3:4 Find mSTU and mTUA State the slope and y-intercept of the graph of y+2x=3 Help will mark Brainliest What role do you think an independent judiciary, separate from the legislative and executivebranches, plays in a constitutional democracy? What we call data are the observations that we make from an experiment True or false PLEASE HELP:What is the measure of the angle that is complementary to a) 18 _______a) 25 _________a) 82 _________a) 75 _________Thank you so so much!!! :D What is the expanded form for the following number? 3,721 You can induce a personal behavior change by using the SMART acronym to set goals TRUE or FALSE 3. Identify the pair of angles,2O complementarysupplementaryneither How does your body reproduce the same antibodies in your future expositions to the same disease?