Mathematics Middle School

What is the value of the LCM to remove the fractions in the following equation?

2b/5 + 3b/4 = 3

A. 5

B. 4

C. 9

D. 20

Answers

Answer 1
The lmc is 20 simple math
Answer 2
im pretty sure that its D

Related Questions

Grades due friday pls help! :)
The height of a model flagpole is shown.
[picture connected]
What is the actual height of the flagpole?
A.20 feet
B.30 feet
C.35 feet
D.40 feet

Answers

Answer:

30 feet

Step-by-

20x1.5 = 30ft which means that is b

it was -3 Celsius sunset. At sunset next morning, it was -7 Celsius. Which exspression gives the temperature change from sunset to sunrise?
A. -3 - (-7) or B. -7 - (-3)
No links or fake answers. I'm so bad at deciding which number goes where -_-

Answers

I think the answer is A because A allow the number to turn positive which change the temperature to sunset to sunrise

Two word problems :)
BTW.. if you cant read it, the numbers are 56 out of 400, and 7 out of 50, i wrote over them because my teacher said to so yea- good luck
oh and i need help with the second one
If you have any questions, on what something says, just ask :-)

Answers

7 out of 50 people so to find the whole amount u must multiply 50x8 to =400 and multiply 7x8 =56 therefore 56 out of 400 have traveled to a foreign country. however 56 is not MORE THAN 56. if it said 56 or more he would be correct but because he says more than 56 he is incorrect. hope that helps!

In your closet you have three shirts (red, green, blue), four pairs of pants (blue, black, brown, gray), and two pairs of sneakers (Nike, Adidas) a. How many different outfits do you have with a green shirt? b. What is the probability, if you pick an outfit at random, that you pick one with brown pants?

Answers

Answer:

you have four different outfits to pick with a green shirt and if you were to pick a random outfit the probability of picking out one with brown pants is 1/4

please help asap im confused

Answers

Answer:

very beautiful question....

Option B

Step-by-step explanation:

X= 57-23=34

Answer

hope it helps

Answer:

B x=34

Step-by-step explanation:

because ur solving for x so 34 +23 is equal to 57

If angle A measures 40° what is the measure of angle B?

Answers

the cap is at 360*

so you can find the difference

360 - 40.

and the solution should get you the answer which is 320*
The answer would be 320 degree angle

Marty went shopping for school supplies. He bought a package of pens for $2.25, a package of paper for $3.25, a notebook for $5.75, and a package of folders for $3.75. What was the range of prices for the school supplies that Marty bought?

Answers

Answer:

$3.50

Step-by-step explanation:

to find the range you take the highest number and the lowest number and subtract them

so with that, let us do just that-

$5.75, $3.75, $3.25, $2.25

$5.75-$2.25

=$3.5

and since we're dealing with money we must add a '0' to the end of the decimal- $3.50

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

1. For each event, write the sample space and tell how many outcomes there are.
Spin these 3 spinners.
Answers: A. 14/ B. 16/ C. 12
2. A simulation is done to represent kicking 5 field goals in a single game with a 72% probability of making each one. A 1 represents making the kick and a 0 represents missing the kick. Based on these results, estimate the probability that 3 or more kicks are made.
Answers: A. 2/5 B. 3/5 C. 4/5
I will type the trial in the comment section.

Answers

Answer:

A. 14

Step-by-step explanation:

HEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLP PPPPPPPLLLLLLLLLLLZZZZZZZZZZ

Answers

The graph one is (-2,2)

Answer: 4,2= Quadrant 1    -2,4= Quadrant 2      5,-3=Quadrant 3

-4,-4=Quadrant 4 First Page           A=-2,2      2nd Page

Step-by-step explanation:

My Knowledge :)

help me with this please!

Answers

Answer:

YESSS I NEED THIS PLEASE

Step-by-step explanation:

HELPPP

help me please :'-(((((((

Answers

Answer:

Step-by-step explanation:

10. mean, 15.5

    median, 16.5

    mode, 20

please help asap im so confused

Answers

Answer:

C

Step-by-step explanation:

Looked it up :) Have a great day!

Answer:

i think it is B

Step-by-step explanation:

please show your work I don't understand this one

Answers

Answer:

6

Step-by-step explanation:

ok so heres what i did

36 divided by 9 equals 4

then u divide 24 by 4 which equals 6

hope this helps if u got more questions ask me in the comments


6



you would do 9 divided by 36 and that equals 4
so then do 24 divided by 4 to get 6

A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 38 ​centimeters, and the length of the other leg is 29 centimeters. The student incorrectly says that the length of the hypotenuse is 8.2centimeters. Answer parts a and b.

Find the length of the hypotenuse of the right triangle to the nearest tenth of a centimeter.
The length of the hypotenuse of the right triangle to the nearest tenth of a centimeter is ..... cm
​(Round to the nearest tenth as​ needed.)

Answers

Answer:

1,142.5 or 1,143

Step-by-step explanation:

Part A: Start by writing out the equation a2 + b2 = c2. Since both sides a and b are known, fill it in. So, now it is 38 squared + 29 squared = c2. Next, you have to find the square roots for both sides, or legs. For 38 squared, it will be 38 x 38 = 1,444. For 29 squared, it will be 29 x 29 = 841. Now that we both legs, we add that together: 1,444 + 841, which equals 2,285. Then, you need to divide 2,285 by 2, which is 1,142.5

Since you need to round, it would be 1,143.

Part B: 1,143

The answer is 1,143.

I’m not sure what the answers are but you can tell me

Answers

Answer:

1. 64

2. 3

3. 36

4. 27

5. 4

6. 6

7. 300

8. 9.35

9. 1

Step-by-step explanation:

By the way can you follow me on Brainly?

Thanks!

Answer:

1=64

2. a=3

3. g=36

4. j=27

Step-by-step explanation:

If 47 Mph was a unit rate, how many hours would it take to travel 1 Mph?

Answers

Answer: um i think you asked the question wrong. But ok.

Step-by-step explanation:

= 47 miles per hour

This is a fraction equal to

47 miles ÷ 1 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 1

47 miles ÷ 1

1 hours ÷ 1

=  

47 miles

1 hour

=  

47 miles

hour

= 47 miles per hour

Answer:

It would take you a total of .021 of an hour to get there.

Step-by-step explanation:

So, you are asking if 47 mph was a unit rate, how long would it take to travel 1 mile? Ok, so you would convert this to a unit rate, which would be 1 hour.47 miles because you are trying to get the 47 to a 1. Next, you will divide both numbers by 47, giving you .0212765957/1. This rounds to .021/1.

Hope this helps! :)

I REALLY NEED HELP PLEASE!!!!! THANK YOU!

Answers

Seems like A but im not 100% sure
I think the answer is A.

Shane's rare book collection contains 40 books. He donates 15% of his books to the national library, sells 14 of his books to a rare book dealer, and sells 4 books online. How many books remain in Shane's book collection?

Answers

Answer: 16 books

Step-by-step explanation:

40(.15)=6

40-6=34

34-14=20

20-4=16

Yarg. look on it for question. (Math middle school 7th grade "Moving ahead")

Answers

5. divide both sides of the equation by 1/4 to get x=3/(1/4), then take the inverse of 1/4 (which is 4/1) to get x= 3x4 =12 6. divide both sides of the equation by -3 to get x=-5. 7. add 3 to both sides of the equation to get x =2. hope this helps!

Hint or something to help me match

Answers

Answer:

Flying pigs is probability 0 and impossible, Jumping into a pool is certain and probability is 1, A coin will land on heads is 1/2 probability and equally likely, a cube landing on three is more likely and 1/2 to 1 probability, raining in sahara desert is between 0 and 1/2 probability and less likely

What type of angle is shown below?
A.acute
B.straight
C.obtuse
D.right

Answers

Answer:

Acute

Step-by-step explanation:

its not right because its coming in. Obtuse would be bigger then a right

That is definitely acute! :) (Also, I would love to get brainliest!)

helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp

Answers

3.14 units²(Assuming pi equals 3.14)A = pi(radius²)1² = 11 x 3.14 = 3.14

Answer: The pi always 3.14

Step-by-step explanation:

the symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter π, sometimes spelled out as pi.

Someone help, I can't figure this out lol

Answers

Answer: (13) 128 (14) 3 (15) 38 (16) 21

Step-by-step explanation:

13) (x+3)+49=180

14) 66+8x=90

15) (x+3)+49=90

16) 3x+117=180

Jada has d dimes. She has more than 30 cents but less than a dollar.



Write two inequalities that represent how many dimes Jada has.

Answers

Answer: d3< d10>

Step-by-step explanation:

Can someone help me pls. (Theoretical probability of compound event)

Answers

This is hard omg sorry.
bro what is this ?? i don’t understand

An angle measures 48.4° less than the measure of its complementary angle. What is the measure of each angle?

Answers

Answer:

The angles are 69.2 degrees and 20.8 degrees

Step-by-step explanation:

Complementary angles, when added together, = 90°

We’ll call the first unknown angle a and the second angle b

b = a - 48.4

a + b = 90

So let’s substitute in for b in the second equation:

a + a - 48.4 = 90

2a - 48.4 = 90

2a = 138.4

a = 69.2

69.2 - 48.4 = 20.8 = b

Now, does a + b = 90?

69.2 + 20.8 = 90

Lmk if you have questions

The ages of two groups of karate students are shown in the following dot plots:

picture shown below:

The mean absolute deviation (MAD) for group A is 2.07 and the MAD for group B is 5.51. Which of the following observations can be made using these data?

Group A has greater variability in the data.
Group A has less variability in the data.
Group B has a lower range.
Group B has a lower mean

Answers

Answer:

Group A has less variability in the data.

Step-by-step explanation:

Since the range of group a is 10 (14 - 4), while group B has a range value of 19 (26 - 7) therefore group A has less variability in the data.

There are 4 green marbles and 7 silver marbles in a bag. You randomly choose one of the marbles. What is the probability of choosing a green marble?

7/11
4/11
4/7
7/4

Answers

Answer:

4/11

Step-by-step explanation:

there are 4 green out of 11 total

Answer:

B.

Step-by-step explanation:

First, you will need to find out how many marbles there are total, which is 11. After doing so, you are able to eliminate two of your answer choices already (C. and D.). Next, identify how many green marbles are in there, which is 4. You are able to identify that A. can be eliminated as well. With you finding probability, the total amount will be on the bottom. So, you can see that there is a 4/11 or about 36% chance that a green marble will be picked.

Hope this helps! :)

A typical basketball player scores on 70% of free throw attempts. During a basketball practice, Lebron james attempted 40 free throws and was successful on 75% of them. How many free throws did he get? ( Give me methods as to how you got it ) I will mark brainiest who ever explans the most!

Answers

The answer is 30
40 times 3/4 is 30
40 times .75 is also 30

i need help on this one question

Answers

Answer:

repayment and interest

Step-by-step explanation:

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