Mathematics Middle School

Solve the equation by finding the common multiple.

three fourths minus two fifths plus eight twentieths equals blank

seven twentieths
fifteen twentieths
twenty fifteenths
thirteen twentieths

Answers

Answer 1
The answer is b.
15/20. multiply 3/4 by 5 on both the top and bottom,, the result is 15/20. Once you have 15/20 you take the other fraction (2/5) and multiply both the top and bottom by 4. You should end up with 8/20 now that both fractions have the same denominator you can subtract them. Once you do so the denominator will stay the same except the numerator you end up with 7/20 with this fraction you can add 8/20 when they are added together you should get 15/20.
Answer 2
The answer is b I hope that helped and btw have a good day

Related Questions

needs halp wit dis uuuuhhhhhhh question, hhhhhhhhhhh i hate math-

Answers

Given:

3x(x - 2) + 2 and 2x² + 3x -12

If x = 7 then,

= 3(7)(7 - 2) + 2

= 21(5) + 2

= 107

= 2(7)² + 3(7) -12

= 2(49) + 21 -12

= 98 + 9

= 107

For x = 7, each expression has a value of 107.

If x = 2 then,

= 3(2)(2 - 2) + 2

= 6(0) + 2

= 2

= 2(2)² + 3(2) -12

= 2(4) + 6 -12

= 8 - 6

= 2

For x = 2, each expression has a value of 2.

These results suggests that the expressions are equivalent, but (I don't know the choices) the expressions are equivalent.

Sophie pays m dollars to rent a car for the weekend. On the drive home, she buys $25 worth of gasoline. Her friend Melody pays for one-half the cost of the car rental only. Choose an expression you could use to determine how much Sophie spent.
A. m + 25
B. m + 25 –1/2
C. 1/2(m + 25)
D. 1/2m + 25

Answers

Answer:

D

Step-by-step explanation:

The correct answer is D

number 16 guys!!! please help!

Answers

Answer:

The answer is yes

Jake's mom is making peanut butter cookies with chocolate chips. In her first batch, she used the ratio of 2:2 for the number of ups of chocolate chips to the number of cups of peanut butter chips. In her second batch, she used a ratio of 3:1 for the number of cups of chocolate chips to the number of cups of peanut butter chips and made the same number of cookies as the first batch. Jake made the following tape diagrams for his mom to reference. If her first batch used 4 cups of peanut butter chips, how many cups of chocolate chips did Jake's mom use for the second batch?

Answers

I think it’s 6 cups of chocolate chips.

Explanation:
If in the first batch the ratio of 2 is 4 cups, that means that the ratio 1 would be 2 cups. In the second batch, the chocolate chip ratio was 3, so it would be 6 cups. I hope this helps!!!

A school has 158 computers. They want each of the 6 grades to have the same number of computers. How many computers should each grade receive? Explain.

Answers

Each grade level should have 26 computers because 158/6= 26.3333 but you cant give a third of a computer so the answer is 26

Answer:

158/6=26.3333333333333333333333333333333333333334

Step-by-step explanation:

so u just divide how many computers they have whith how many grade levels that they have. and round up the numbers.  

I some help with these two questions because I'm not good at math LOL and don't put something random for the points

Answers

Answer:

1)2,790,000,000

Step-by-step explanation:

PLEASE only respond if you know this answer. This is my third time asking this but everyone responded wrong. I already know what A B and C are I just need initial value and rate of change! Good answers will get a brainliest.

Answers

Your rate of change is 2.54/1 or to simplify its 2.54. Your initial value will be 0 aka your Y value will equal 0

Solve the equation 3= d+2

Answers

Step-by-step explanation:

d=1

.................

d=1


Explanation: im built different

Help as soon as you can :d


Use the Distributive Property to simplify the expression.

9(2n+1) =

Answers

18n+9 I hope that’s what your looking for!

Answer:

18n+9

Step-by-step explanation:

9(2n+1)

multiply 9 with 2n

9 x 2n = 18n

multiply 9 with 1

9 x 1 = 9

18n+9

7x(x+1.8)=0
Please find x!

Answers

Answer:

x = 0, -1.8

I hope that helps

5 it’s 5 because I did this on the map test

PLS HELP PLS HELP PLS HELP

Answers

Answer:are u suppose to divide something

Step-by-step explanation:

are you suppose to divide or subtract or multiply ?

I wanna finish this hw but I don't know how to do it pls teach me
brainly is now my favorite thing

Answers

Answer:

y 16

Step-by-step explanation:

The answer to this question is Y 16

please help me ill mark brainliest

Answers

Answer:

its C and 4.7x10 -5 was right

Step-by-step explanation:

PLSS HELP ASAP




1000+61-100x60-1000000( 134x89)=
:D

Answers

The answer is ( i think )
11926004939

-11926004939

Hope I helped

26 points Help me 7th-grade work

Answers

Answer(s):

- p + (3p-5) + (4p+6)

(I cant really tell if there's another answer sorry, but i know this one is correct.)

The first because it makes the most since

I FREEking need help on this! You will get some POINTS for it ∵

Answers

What do you need help on? All I see is a y axis and x axis grid.

If Josh can read 18 pages in 40 minutes, how long will it take him to read 90 pages?

Answers

Answer:

18=40

90? 40×90=3600÷18=200 pages.

Answer:

It will take him 200 minutes to read 90 pages.

Step-by-step explanation:

Josh can read 18 pages in 40 minutes.

Ratio of pages to minutes = 18 : 40

Number of pages to read = 90

Minutes = x

Ratio of pages to minutes = 90 : x

The relationship is proportional

18 : 40 :: 90 : x

Product of extremes = Product of means

18x = 40*90

18x = 3600

Dividing both sides by 18

[tex]\frac{18x}{18}=\frac{3600}{18}[/tex]

x = 200

Therefore,

It will take him 200 minutes to read 90 pages.

PLEASE HELP WILL GIVE BRAINLIEST AND MY NUMBER
Use the fraction models to solve the subtraction equation.

Five fraction models, the first four are completely shaded, and the last one is partitioned into six equal parts with four parts shaded. Below is the equation four and four sixths minus one and one third equals blank line.

three and two sixths
three and three sixths
three and three thirds
five and five ninths

Answers

i think it’s 3 and 2/6! sorry if im wrong but i hope this helps

Find the volume of the triangular prism below:

Answers

Answer:

62.5

Step-by-step explanation:

the formula is v = 1/2bhl

v = (1/2)(6.25)(2.5)(8)
v = 62.5 yd^3

:D plz help on my math

Answers

the correct answer is $2.97
the correct answer is $2.97

pls pls pls pls pls helpppp meee

Answers

Answer:

27x+5+x

Step-by-step explanation:

Answer:

36x + 45

Step-by-step explanation:

hope this helps

please answer right ill give brainliest don't submit a wrong answer if u just want the points comment and ill help u get a lot more points just don't submit a wrong answer pleasee

Answers

Answer:

top left The prices throughout the year of the items in a store

Step-by-step explanation:

all the others are represented by functions

*make me brainlist plssssssssss*

HELP QUICK PLS FAST!!!!!!!!!

Answers

Answer:

it would be 90

Step-by-step explanation:

The scale is 1:6. that means that the object is 6 times larger then the scale drawing.

Answer: 90

Explanation: the scale factor is 1:6 meaning the small object is 1 and the larger object is 6 multiple the small(15) by 6(the scale factor) and get 90.

Help Me Please! Will Give Brainliest for the first person who is correct!!

Answers

Answer:

= 1/4

Step-by-step explanation:

1/4

Decimal form: 0.25

I just need 1 more reason for the black text. Thanks!

Answers

Answer:

1: proportion means 2 ratio are equivalent

2: its also known as constant of proportionality

Step-by-step explanation:

give me brainlist pls

Write the equation of the line in Point-Slope form that goes through the point (10,5) and has a slope of -3
Group of answer choices

y=-3x+35

y+5=-3(x+10)

y-5=-3(x-10)

y=-3x-35


Write in slope intercept form
5x - 3y = -9
Group of answer choices

y = (5/3)x + 9

y = (5/3)x - 3

y = (3/5)x + 3

y = (5/3)x + 3
Which equation is perpendicular to:
y = 3/2x +2
Group of answer choices

y = 3/2x +3

y = -2/3x +5

y = -3/2x +4

y = 2/3x +7
Which equation is parallel to:
y = -2x +2
Group of answer choices

y = 1/2x +7

y = -2x +5

y = -1/2x +3

y = 2x +6

I want to say thank for helping me

Answers

Answer:

y = -1/2x +3

Step-by-step explanation:

ye i think so.

Use the distributive property to write -2(n+9) as an equivalent expression.

Answers

Answer:

-2 x n +  -2 x 9

-2n   +   -18

20n

Step-by-step explanation:

Hope it helps you

Is 6.787887888...
a rational number

Answers

Yes that number is a rational number

help me I need help please help I am stalling the 20 words or more help help help please please

Answers

-7-4z/9 hope this helped
-7-4z/9 is the correct answer

The graph shows the distance Mila drove during the first 10 minutes of her drive to work one morning. MILA'S DRIVING SPEED 7 OD Distance (in mlles) 5 4 3 IN www M WAR ON 5 6 7 8 9 10 Time (in minutes) What was Mila's average speed, in miles per minutes, during the first 5 minutes of her drive? 0.83 01.00 00.20​

Answers

This is the chart for your question .

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