Mathematics Middle School

Please Answer Soon!
If [tex]d-6c=4[/tex] and [tex]2d-9c=20[/tex], find the value of [tex]\frac{d}{c}[/tex].

Answers

Answer 1

You get the value of c and d as follow

c=4

d=28

now,

d/c=28/4=7

so,

the value of d/c here is 7

Please Answer Soon!If [tex]d-6c=4[/tex] And [tex]2d-9c=20[/tex], Find The Value Of [tex]\frac{d}{c}[/tex].
Answer 2
the answer is 7



explanation

Related Questions

I forgot to put the image here!! sorryy!

Answers

45cm/15cm = 3

3 * 6hrs = 18hr

the candle burns for 18 hours
The candle burns 18 hours

Which shows the best use of the associative and commutative properties to make simplifying -1/3-10+7+2/3+5 easier?
A. [5+(-1/3)+(-10)]+(2/3+7)
B. [-1/3+(-10)]+[7+2/3+5]
C. (-1/3+2/3)+[5+7+(-10)]
D. [-1/3+7+(-10)]+(5+2/3)
(I'll give brainliest for correct and accurate answer.)

Answers

The commutative property of addition says that it doesn't matter how we add two numbers, the result of the addition would be the same. The correct option is B.

What is the associative property of addition?

Suppose you've got 3 numbers a, b, and c.

Then, we have

 (a+b) + c = a + (b + c)

This property is called associative property and it is called so because we can associate b with a, or b with c without altering the value of the addition.

What is the commutative property of addition?

The commutative property of addition says that it doesn't matter how we add two numbers, the result of the addition would be the same.

For two numbers x and y, we have:

x + y = y + x

Thus, if we take 3 numbers as a,b and c, then:

a + b + c = b + a + c = b + c + a = a + c + b = c + a + b = c + b + a

And so on for any amount of numbers.

The best use of the associative and commutative properties to make simplifying -1/3-10+7+2/3+5 easier is  [-1/3+(-10)]+[7+2/3+5].

Hence, the correct option is B.

Learn more about the Associative Property of Addition:

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Katie’s earnings, e, for a week are given by the equation e = 18h, where h is the number of hours that Katie works during the week. If Katie works 40 hours per week for 4 weeks, how much money will she earn during the 4-week period?

Answers

Answer:

1250

Step-by-step explanation:

simple math

Answer:

how much money does she earn in 18 hours?

Step-by-step explanation:

Needed asap please,



Brittney can spend no more than $15 for new fish in her aquarium.
a. Let f be the number of fish she can buy. what inequality represents the problem?

b. How many fish can brittney buy?

Answers

Answer:

A - 15 ≥ f

Step-by-step explanation:

I don't know about B, because we don't know how much 1 fish costs.

Answer:

a) 3.00f ≥ 15

b) Brittney can buy 5 fish

A & B ) 3.00f ≥ 15÷3.00= 5

f ≥ 5 fish

PLZZZZZZZZZZZZZZZZ HELP ME !!!!!!!!!!!!!!!!!!!!!!!!!!!

The water level in Ricky Lake changes at an average of -7/16 inch every 3 years.
a. Based on the rate above, how much will the water level change after one year? Show your calculations and you can use the vertical number line to help you., using 0 as the original water level.
Show all your work and explanation in order to receive full points.




b. How much would the water level change over a 7-year period?

Show all your work and explanation in order to receive full point

C. When written in decimal form, is your answer to part (b) a repeating decimal or a terminating decimal? Justify your answer using long division.


Show all your work and explanation in order to receive full points

Answers

Answer:

A    .1458333333  B   1.02081  C terminating because it does not repeat

Step-by-step explanation:

Divide by 3

then mutiply .14583 by 7

i can’t really see nothing the picture you put

What is 3/4 times 3/13 in simplest form?

Answers

Answer:

9/52

Step-by-step explanation:

multiply across 3 x 3 and 4 x 13.

I think it would be 9/52

Match each quantity in the first list with an appropriate unit of measurement from the second list.


1.

The volume of a refrigerator



2.

Distance a person can run in 10 minutes



3.

The surface area of a tissue box



4.

The perimeter of a baseball field



5.

The surface area of the moon



6.

The volume of a large lake



7.

The length of macaroni noodle



8.

The area of a bed sheet

a.

cubic kilometers

b.

square inches

c.

meters

d.

square kilometers

e.

centimeter

f.

mile

g.

cubic feet

h.

square feet

Answers

It’s C because I did the test

6x − y/2 = 14
I need help

Answers

If your solving for y then y= 12x-28 and for x= 7/3 +y/12
X=7/3 + y/12
Y= 12x -28
Hope it helps

Jared scored 42 goals in his first attempt. He scored 35 the second time.

About what was the percent of decrease between his attempts?

Answers

percen=7 is the answer

Which phrases can be represented by the expression 60w? Check all that apply. the product of sixty and a number sixty times a number the difference of a number and sixty the quotient of a number and sixty a number divided by sixty the sum of a number and sixty

Answers

Answer:

The product of 60 and a number and Sixty times a number.

Step-by-step explanation:

This is because everything else like the difference, the sum, the quotient, and divided are not multiplication cause in this case 60w is equal to 60*w; and the product the same as multiplication. Also, time is the same as multiplying.

The expression 60w can be written in words will be the product of sixty with a number 'w' and sixty times a number 'w'. Then the correct options are A and B.

How to convert the equation into a sentence?

The act of converting mathematical equations into a specified statement is known as equation-to-sentence transformation.

It is also known as the product. If the object n is given to m times then we just simply multiply them.

The expression is given below.

⇒ 60 w

The expression is also written as,

⇒ 60 w

⇒ 60 × w

The expression 60w can be written in words and will be the product of sixty with a number 'w' and sixty times a number 'w'. Then the correct options are A and B.

More about the conversion of an equation into a sentence link is given below.

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Can someone pease help me understand the problem?

Answers

Answer:

65 + 50 + 80 divided by 3

Step-by-step explanation:

The answer is 142 I think sorry if I’m wrong

PLZZZZZZZZZZZZZZZZ HELP ME i begging YOUUUUU !!!!!!!!!!!!!!!!!!!!!!!!!!!

Claudio keeps track of how his bank account changes over three weeks. (You can take a picture your work and upload to this slide)


1. At the end of week 3, Claudio has $0 in his bank account. How much did he have at the start of week 1?

2. What is the average amount of money Claudio had in his account over the three weeks?

Answers

Answer:

he started off with $35.65 but i cant do the average

Step-by-step explanation:

to get what he started off with, do 28.75-12.40=16.35

then do 16.35-52=-35.65

you can remove the "-" from -35.65 to get what he had to begin with

sry for not being able to do the average :(

A school purchases calculators from a store for six dollars each. Create an equation that represents the total cost, use d for dollars, and c for the number of calculators purchased.

Answers

Hello there! to answer your question it is 6c x 6d= 36d

explanation: you would have to multiply all the calculators by 6 so 6c x 6d = 36d easy math i had the same one plz give brainlist

Answer:

store for six dollars each create an equation that represents the total cost,d, in dollars, for the number of calculators purchased,c, use both variebles .

Step-by-step explanation:

PLEASE HELP NOW!!!!!!!!!!! Brett bought three pairs of jeans and five polo shirts. The jeans that regularly sell for $79 were 35% off and the polo shirts that regularly sell for $39 were 15% off. If sales tax is 5.75% and he gave the cashier $350, how much did he receive back in change?

Answers

Answer:

The change he got back was $30.20

Step-by-step explanation:

The change he got back was $30.20 ;)

What is the equation of this line in Slope-Intercept Form?


Answer Choices:
y = 2x + 3
y = 3x + 1/2
y = 1/2x + 3
y = 3x + 2

Answers

Answer:

the first one

Step-by-step explanation:

Answer:

y = 2x + 3

Step-by-step explanation:

because the y intercept is 3 based on the graph then i found two points (-4,1) and (-2,2) then i used solved. -4+2=-2 , 1-2 =-1  which means that you get -2/-1 which equals 2

Julie paid $43 for 8 shirts. At this rate, how much will she pay for 12 shirts?

Answers

Answer:

$64.56

Step-by-step explanation:

If she paid 43 dollars for 8 shirts, then that means she paid about 5.38 dollars each for one shirt. (43/8 = 5.375)

Because we are finding the price for 12 shirts, multiply the price of one shirt ($5.38) by the total number of shirts (12) we are buying so, 5.38*12 = $64.56

Our answer is $64.56. :D

Answer:

$64.50

Step-by-step explanation:

To find the unit rate: 43/8=5.375

To find how much for 12 shirts: 12 x 5.375 = 64.50.

Hopefully this helps! Brainliest?

Help pls!
ASAP!
Ty!
:>

Answers

Answer:

3 7/8

Step-by-step explanation:

You add all of the numbers into one big pile then subtract it from 20 to get your answer.

Answer:

The answer is −5  7 /8 . Look at the image for explanation:

Of the four points (2,2), (9,11), (5,7), and (11,17), three lie on the same line. Which point is not on the line?

Answers

Answer:(11.7)

Step-by-step explanation:

If you graph the points (11.7) does not make part of the line

x+2y = −4
I forgot how to do the problem

Answers

Solving for X it would be
X=-4-2y
Solving for Y it would be
Y=-2-x/2

Answer:

x= -6 y=1

Step-by-step explanation:

Magdeline wants to know if the number of words on a page in her art book is generally more than the number of words on a page in her science book. She takes a random sample of 25 pages in each book and then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.

Book Mean Median Mean Absolute Deviation
Art 68.7 50 15.4
Science 54.2 55 7.9


She claims that because the mean number of words on each page in the art book is greater than the mean number of words on each page in the science book, the art book has more words per page. Based on the data, is this a valid inference? (10 points)
Group of answer choices

Yes, because the mean is larger in the art book

No, because the mean is larger in the art book

Yes, because there is a lot of variability in the art book data

No, because there is a lot of variability in the art book data

Answers

Answer:

No, because the mean is larger in the art book

Step-by-step explanation:

give me brainliest plz because i answered

Claire mowed 7 lawns last week. She mowed each lawn in 7/18
hour. She mowed the same lawns this week in 5/18
hour each using her new lawn mower. How many times longer was​ Claire's time to mow all the lawns last week than this​ week? Explain.

Answers

Answer:  

I think that it is 2 plus.

Step-by-step explanation:

It was 2 hours longer last week, than this week. Because 7-5 = 2.

If there are 24 boys and 36 girls in a room, fill out all of the possible ratios of boys to
girls that could be made.
There are 24 boys for every 36 girls (24:36 ratio)
There are boys for every girls try
Type in an equivalent ratio of boys and girls

Answers

4:6 is one ratio, 2:3 is another ratio

Answer:

4:6

Step-by-step explanation:

Divide both #s by 2, 4, 6, or 8 and you'll get an equivalent ratio

(I divided by 6)

Plz make me brailiest :))))

I need help pease asp asp please

Answers

Answer:

Coded title:

Top view of bowling ball missing a difficult shot

Answer:

its blurry

Step-by-step explanation:

ASAP HELP PLZZZZ What is the image of the point (9, -2) after a rotation of o counter-clockwise about the origin?
Group of answer choices

(-9, 2)

(2, -9)

(-2, 9)

(2, 9)

Answers

Answer:

It should be (2,9).

Step-by-step explanation:

If you rotate it counter clockwise, the x value and y value switch numbers and they will both become postive.

i think its (2, 9) :)

Help me pleasee!!!!! ASAP

Answers

Answer:

more than f.)120

Step-by-step explanation:

the answer is 120 (J)

Which ordered pairs in the form (x, y) are solutions to the equation

7x−5y=28?

Select each correct answer.


A. (4, 10)

B. (−1, −7)

C. (7, 9)

D. (−6, −14)

When I tried to solve for 5y I got 5.6

Answers

It’s B plug in -1 to x and -7 into y






Options B. (−1, −7) and D. (−6, −14) are correct which are the solutions to the equation.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The equation is:

7x - 5y = 28

From the above equation:

y = mx + c

On comparing:

y = (7/5)x - 28/5

m = 7/5

c = -28/5

After plotting the graph of the equation:

From the graph:

B. (−1, −7)

D. (−6, −14) are the ordered pairs in the form (x, y) that are solutions to the equation.

Thus, options B. (−1, −7) and D. (−6, −14) are correct which are the solutions to the equation.

Learn more about the linear equation here:

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If 45% of a number, n, is 225, what is 74% of n?



185


298


370


406


PLEASE HURRY! I'M TIMED! WILL GIVE BRAINLIEST!

Answers

185
Hsixuxuzjxhzbzjzjjznz

5x - 29.4 + 1/2x when x is 11/5

Answers

Answer:

-17.3

Step-by-step explanation:

Evaluate 5 x + x/2 - 29.4 where x = 11/5:

5 x + x/2 - 29.4 = 5×11/5 - 29.4 + 1/2×11/5

Hint: | Express 5×11/5 as a single fraction.

5×11/5 = (5×11)/5:

(5×11)/5 - 29.4 + (11/5)/2

Hint: | Express (11/5)/2 as a single fraction.

(11/5)/2 = 11/(2×5):

(5×11)/5 - 29.4 + 11/(2×5)

Hint: | Cancel common terms in the numerator and denominator of (5×11)/5.

(5×11)/5 = 5/5×11 = 11:

11 - 29.4 + 11/(2×5)

Hint: | Multiply 2 and 5 together.

2×5 = 10:

11 - 29.4 + 11/10

Hint: | Approximate 11/10.

11/10≈1.1:

11 - 29.4 + 1.1

Hint: | Evaluate 11 + 1.1 using long addition.

| 1 | 1. | 0

+ | | 1. | 1

| 1 | 2. | 1:

12.1 - 29.4

Hint: | Factor out a negative sign in 12.1 - 29.4 in order to subtract.

12.1 - 29.4 = -(29.4 - 12.1):

-(29.4 - 12.1)

Hint: | Subtract 12.1` from 29.4`.

| 2 | 9. | 4

- | 1 | 2. | 1

| 1 | 7. | 3:

Answer: -17.3

the answer is -17.3 hope this helps

What is 7234433443433456 × 45678456783456789 = ? What is the answer to this.

Answers

Answer:

the answer is 3.3045776e+32

Step-by-step explanation:

this equation dosent really make sense..

3.3045776e+32
Google says it

if you run 50 per 30 seconds of many meters will you run in 1 second

Answers

you will run 1.6 meters in one second.

Because 50 divided by 30 equals 1.6.

Answer:

1.6 meters

Step-by-step explanation:

To be honest I don't even what to think about

this question or answer

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