Mathematics College

1- Operations with Fractions

2 1/2 - 5/3

Answers

Answer 1

Hi there!  

»»————-　★　————-««

I believe your answer is:  

[tex]\frac{5}{6}[/tex]

»»————-　★　————-««  

Here’s why:  

⸻⸻⸻⸻

[tex]\boxed{\text{Solving the Problem...}}\\\\2\frac{1}{2} -\frac{5}{3}\\\\----------------\\\rightarrow \text{LCM} (2,3): 6\\\\\rightarrow 2\frac{1}{2}=\frac{5}{2}=\frac{5*3}{2*3}=\frac{15}{6}\\\\\rightarrow \frac{5}{3}=\frac{5*2}{3*2} =\frac{10}{6}\\\\\\\rightarrow \frac{15}{6} - \frac{10}{6}\\\\\rightarrow \boxed{\frac{5}{6}}[/tex]

⸻⸻⸻⸻

»»————-　★　————-««  

Hope this helps you. I apologize if it’s incorrect.  

Related Questions

a. (2 + 4) + 5( − 1) − ( + 7)
b. (74 + 9) − 2(4 + 13)
c. (6 − − 4) + (9 + 4)
d. (5 − 2)+ 6(2 − 8) − (2 + 12)
e. (83 + 5) − 3(3 + 2)
f. (12 + 1) + 2( − 4) − ( − 15)
g. (132 + 5) − 2(2 + 1)
h. (9 − − 2) − 3
(8 + 22)
i. (4 + 6) − 12( − 3)+ ( + 2)
j. (154 + 10) − 12(4 + 4)

Answers

a) -6
b) 49
c)23
d)-47
e)73
f)20
g)131
h)-79
i)48
j) 68

4) When you get to college you will be assigned a new Student Identification Number. If this ID is
5 number digits and 2 letters long, how many possible students can the school accommodate?

Answers

The IDs are of the form DDDDDLL, where D is a digit and L is a letter. There are 10 digits and 26 letters in English.
This gives you 10*10*10*10*10*26*26 possible combinations, or that many possible students who can use that system.

That’s 67,600,000 students.

38 = x − 4(x + 1)
help pls

Answers

Answer:

Given :-

[tex]\huge38 = x - 4(x + 1)[/tex]

On calculation:-

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex]\large=>38 = x - 4x - 4[/tex]

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex]\large=>38 = - 3x - 4[/tex]

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex] \large=>- 3x = 38 + 4[/tex]

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex]\large =>- 3x = 42[/tex]

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex]\large =>x = \frac{42}{ - 3} [/tex]

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎[tex]\large =>x = -14[/tex]

▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂

Hence, Your answer :-

[tex]\huge\green{ x = -14}[/tex]

If we fold 1 mm of cardstock in half and fold it again in half we have a stack of 4 layers that is 4 mm high . If we fold the cardstock in haf 10 times how thick would the stack of cardstock layers be

Answers

Answer:

1024mm

Step-by-step explanation:

1. Fold it would be 2mm

2.Fold It would be 4mm

3.Fold 8mm

4.Fold 16 mm

5.Fold 32mm

6.Fold 64mm

7.Fold 128mm

8.Fold 256mm

9.Fold 512mm

10 Fold 1024mm

The answer is 2¹⁰mm or 1024mm


If a >b, then A must be positive number.

Answers

Step-by-step explanation:

NO,IT DEPENDS UPON SITUATIONS

IF B IS -5 THEN A CAN BE -2,-4,-3 OR 1 ,2,3,4,......

Scores 18 20 16 13. Find this student's mean quiz score

Answers

Answer: 16.75

Step-by-step explanation:

Answer:

16.75

Step-by-step explanation:

To find the mean, add up all the number

18+20+16+13

67

Then divide by the number of quizzes

67/4

16.75

YOU WILL GET 100 POINTS!!
Y=4+∣9-16∣

Answers

Answer:

y = 11

Step-by-step explanation:

y = 4 + |9 - 16| =

     4 + | - 7| =

     4 + 7 =

     11

An absolute value is always positive:

|a| = a, if a > 0|a| = -a, if a < 0
y=4+|9-16|y=4+|-7|y=4+7y=11

Done

please help with math

Answers

1.) - sqrt. 2 (which, in decimal, is about -1.4142…) , 0, sqrt. 5 (which, in decimal, is about 2.2360…) , 13/4

2.) -1.5, 3/4 (which, in decimal, is 0.75) , 3, sqrt 10 (which, in decimal, is about 3.1622…)

3.) -3/2 (which, in decimal, is -1.5), -3/7 (which, in decimal, is about -0.4285…) , 0.75, 2

A worker earns the same amount for each
hour. If he earned $48.00 in 3 hours, how
much would he earn in 8? In 40?

Answers

Answer: 8 hours= $128      40 hours= $640

Step-by-step explanation:

$48.00 divided by 3 = $16.00 an hour. so 16x8=128 and 16x40=640

Solve the following equation.
X - (-6) = 15

Answers

X = 9, good luck, Chuck.

Answer:  x=9

Step-by-step explanation:

x-(-6)=15

first the subtraction sign and the negative sign becomes a plus sign

x+6=15

  -6  -6

Next you subtract 6 from both sides of the equation. And that leaves you with

x=9

Plz help what is
1 2/5 - (-3/5)

Answers

Step-by-step explanation:

1 2/5 - (-3/5)

1 2/5 + 3/5

7/5 + 3/5

10/5

Which fraction is equivalent to 7/8 ?

A. 5/6
B. 17/18
C. 21/24
D. 49/64

Answers

Answer:

C.21/24 it is equivalent fraction to the 7/8

Step-by-step explanation:

7×3=21

8×3=24

Answer:

C

Step-by-step explanation:

If you divide both the numerator and denominator of 21/24 by 3, you will get 7/8. Therefore, 7/8 is essentially the simplified form of 21/24.

Name 10 different rays. Then name 2 pairs of opposite rays.

I simply need to check answers!

Answers

Answer:

Rays are.

DA,CB,AB,EA,CA,CD,EB,BC, rest I don't know

please solve this question i need help​

Answers

Answer:

4c/2a 60 degrees 3bf 2ad

Answer:

f=120

b=40

d=140

e=120

c=30

a=30

HELP PLS IM BEGGING YOU PLS HELP, its due todayyy pls. Angle CBD is the only one i got right and the rest is wrong. I dont know how to answer it anymore.

Answers

Answer:

try It would be number 81

Step-by-step explanation:

Abc= 110

ceo=70

dbe=110 or 120

and abe= 60 70 or 81

Answer:

ABC=112 degrees

DBE=112 degrees

ABE=68 degrees

Step-by-step explanation:

CBD=ABE

ABE=68 degrees

First let's take these as X,

ABC=DBE=X(Vertically opposite angles)

ABC+DBE+CBD+ABE=360(angles around a point)

   x  + x     +68   +68  =360

      2x        +136        =360

                       2x       =360-136

                       2x       =  224

                             x    =112 degrees

therefore;

   ABC=112 degrees

   DBE=112 degrees

can someone help me with this one again bc I didn't show the decimal Decimal: 0.44​

Answers

Step-by-step explanation:

The answer is 10 times

=> 4 hundredths x 10 = 4 tenths

=> 0.04 x 10 = 0.4, which is correct

Hope that helps

Evaluate the number sequence. What number should come next in this following sequence? 6, 2, 12, 4, 24 =

Answers

Answer:  Either 6 or 8

Explanation:

Notice that the first, third and fifth values are: 6,12,24. It appears the pattern here is "times 2". So we double each value to get the next item. This only seems to apply for the odd numbered slots.

For the even number slots, we have the pattern: 2,4. The next item isn't clear. We could do two things

add 2multiply by 2

If we go with the first option, then we have 4+2 = 6 as the next term

OR

If we go with the second option, then we have 4*2 = 8 as the next term

Unfortunately, there isn't enough information to know which would actually be the next term. A common problem with sequence problems like this is that there are often many ways to generate the same subsequence, which leads to ambiguity as to what the next term would be.

Find the missing angle.

Answers

Answer:

Angel V = 74

I hope it's helps you

The missing angle is 74 degrees. Triangles add up to 180° so do 180 minus the angles given to get 74.

PLEASE HELPPP Which number is farthest to the right on a number line? O A. -15 O B. -1 ос. О O D. 1​

Answers

Answer:

D,1

Step-by-step explanation:

All of the others are negatives, which are to the left. Since 1 is positive, it's the farthest to the right

6 bannas cost $0.75. How much do 20 bannas cost

Answers

Answer:

15

Step-by-step explanation:

Answer:

The answer is 15

Step-by-step explanation:

find the midpoint of R(5,3) and S(-4,6) PLEASEEE

Answers

Answer:

(0.5, 4.5)

Step-by-step explanation:

midpoint formula:

((sum of the two x values)/2, (sum of the two y values)/2)

= ((5+(-4))/2 , (6+3)/2)

= (0.5, 4.5)

The area of this shape is 24 square units. Which of these statements is true about the area ?​

Answers

D.

Because the area of an object is number of square units or square grids inside the shape.

Answer:

D.

Step-by-step explanation:

Mr. jovanovski is having wood flooring

Answers

Answer:

By definition the area of a rectangle is:

A = l * w

Where,

l: long

w: width

So we have to clear the width:

w = A / l

Substituting the values:

w = (234) / (18) = 13

w = 13 feets

answer

the width, in feet, of the room is 13

Step-by-step explanation:

can 0.462 be written as a fraction and is it a terminating or repeating decimal

Answers

Answer: 462/1000

Step-by-step explanation:

Solve 4/5x + 1/3 = 3

Answers

Answer:

The answer is 10/3.
Answer : 10/3 :) hope this helps

What's (9+9i)(-1-5i) using foil method

Answers

Answer:

36-54i

Step-by-step explanation:

(9+9i)(-1-5i)

v

-9-9×5i-9i-9i×5i

v

-9-45i-9i-45i^2

v

-9-45i-9i-45×(-1)

v

(-9)-45i-9i+(45)

v

36(-45i)(-9i)

v

36-54i

PLEASE HELP WITH EXPLANATION NO LINKS OR I Will Report You

Answers

Answer:

none of above

Step-by-step explanation:

please mark me brainleast

Answer: a because 2 negatives equals a positive

Step-by-step explanation:

Simplify show all steps thirty POINTS!

Answers

6a + 3
Hope it helped
I think it’s 2a+3
Since you have to divide 6a AND 9 by 3 :)

what passes through the points (-1/2 4) and (1/2 6). show your work​

Answers

Step-by-step explanation:

The equation of line which passes through these points is determined by:

p(x1,y1)=(-1/2,4) p(x2,y2)=(1/2,6)

[tex] \frac{y - y1}{y2 - y1} = \frac{x - x1}{x2 - x1} \\ \frac{y - 4}{6 - 4} = \frac{x + \frac{ 1}{2} }{ \frac{1}{2} + \frac{1}{2} } \\ \frac{y - 4}{2} = \frac{2x + 1}{2} \\ 2(2x + 1) = 2(y - 4) \\ 4x + 2 = 2y - 8 \\ 4x - 2y + 2 + 8 = 0 \\ 4x - 2y + 10 = 0[/tex]

Note:if you need to ask any question please let me know.

If you were to take a longitudinal section from a long cylinder, what shape would you get? Question 23 options: A circle A parallelogram A square A rectangle

Answers

Answer:

A Rectangle

Step-by-step explanation:

A longitudinal section means that the plane slicing the cylinder is vertical, just as a latitudinal section means that the slice is horizontal.

When you think about it, a flat slice of a cylinder in the vertical direction is a rectangle.

If the cylinder is sliced along the length of the cylinder then the shape we get is a rectangle. Then the correct option is B.

What is a cylinder?

A cylinder is a closed solid that has two parallel circular bases connected by a curved surface.

If you were to take a longitudinal section from a long cylinder.

Then the shape we get will be

If the cylinder is sliced along the length of the cylinder then the shape we get is a rectangle.

More about the cylinder link is given below.

https://brainly.com/question/3692256

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