MATHEMATICS MIDDLE SCHOOL

3/5+x=2/3 what is the value of x? Please explain how you got the answer so I can learn too!

Answers

Answer 1
Answer:

First

Simplify both sides of the equation

x + 3/5 = 2/3

second

subtract 3/5 from both sides

x + 3/5 -3/5 = 2/3 -3/5

x= 1/15


I hope you understand it ! and I hope its help !
Answer 2
Answer: 3/5 +x = 2/3        First, you minus both sides by 3/5 to make x the subject
3/5 -3/5 +x = 2/3 -3/5
x = 2/3 -3/5         Multiply 2/3 and -3/5 so you get the same denominator
   = 2*5/3*5 - 3*3/5*3
   = 10/15   - 9/15   Now you can minus it
x = 1/15

You can only add/minus two fractions if they have the same denominator.

Photo attached. :D 

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Write a word problem that can be solved by finding the numbers that have four as a factor

Answers

Chelsea has two red balls Chelsea's friend Marcy has two times that many balls how many balls does Marcy have ?

Which two statements below are true ? a) 2/6 = 1/3
b) 1/3 >2/4
c) 1/8 > 3/4
d) 2/5 < 1/2
e) 4/12 < 1/6
f) 3/5 = 7/10

Answers

a) 2/6 = 1/3
1/3 = 1/3

True 
------

b) 1/3 > 2/4
1/3 > 1/2 

False
------

c) 1/8 > 3/4

False
------

d) 2/5 < 1/2

True
------

e) 4/12 < 1/6

False
------

f) 3/5 = 7/10

False
------

This is all just a process of simplifying fractions down.

The only 'true' statements there are is option A and D.

Describe and correct the error in telling whether the two figures are congruent?

Answers

2 figures are congruent if at least 2 sides are the same length, there angles are the same, etc
When figures are CONGRUENT, they have the SAME SIZE, SIDE LENGTHS OR WIDTH, And ANGLES

The number of chips of different colors in Gail's bag is shown below:3 blue chips
4 pink chips
8 white chips
Gail takes out a chip from the bag randomly without looking. She replaces the chip and then takes out another chip from the bag. What is the probability that Gail takes out a white chip in both draws?
A.(8)/(15)+(7)/(14)=(217)/(210)
B.(8)/(15)×(7)/(14)=(56)/(210)
C.(8)/(15)+(8)/(15)=(16)/(15)
D.(8)/(15)×(8)/(15)=(64)/(225)

Answers

Answer:

(8)/(15) * (8)/(15)=(64)/(225)

Step-by-step explanation:

Given : 3 blue chips

            4 pink chips

            8 white chips

To Find:  What is the probability that Gail takes out a white chip in both draws with replacement?

Solution:

Blue chips  =3

Pink chips  =4

White chips =8

Total chips = 3+4+8 =15

Now Probability of getting white chip on first draw = \frac{\text{Number of white chips }}{\text{Total no. of chips}}

                                                                                   = (8)/(15)  

Now ,She replaces the chip and then takes out another chip from the bag.

So, Probability of getting white chip on second draw = (8)/(15)  

Probability of getting white chip in both draws = (8)/(15) * (8)/(15)=(64)/(225)

Hence the probability that Gail takes out a white chip in both draws is (8)/(15) * (8)/(15)=(64)/(225)

Thus Option D is correct.
most likely the probability is D because my mom said it is d i dont know how she got it

Solve for j h-8/j=k solve in literal equations​

Answers

given that

(h - 8)/(j) = k

multiply through by j, sinceit'stheL.C.M

thus

j * (h - 8)/(j) = k * j

cancel out, leaving

h - 8 = jk

making j the subject by dividing through by k

(h - 8)/(k) = (jk)/(k)

j = (h - 8)/(k)

as the final expression for j

Answer:

J=h-19/k

Step-by-step explanation:

Y/7=4 I need help on this one

Answers

I'm assuming that you are trying to solve the equation for y, which we can do by isolating the variable on one side of the equation.

y/7 = 4

To get rid of the denominator of y, we have to multiply both sides by this amount (7).

(y/7)*(7) = (4)(7)

When we simplify, we get:

y = 28

If we go back to the original equation and plug in our answer, 28/7 = 4, we can see that it results in a true statement.

Therefore, the answer is y=28.
 (y)/(7) = 4

To isolate y, we need to multiply either sides by 7 to cancel out the fraction.

(y)/(7) × 7 = 4 × 7
7 and 7 cancels out

y = 28
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