MATHEMATICS MIDDLE SCHOOL

Three times a number is 42. What is the number?

Answers

Answer 1
Answer: x*3=42 -- divide by 3

x=42/3
x=14
The number is 14.
Answer 2
Answer:

Answer:

14

Step-by-step explanation:

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Before the assembly began, only 35 percent of the students were seated. If 91 students were not seated, how many students were there in all?

Answers

total=100%
seated==35%
100%-35%=65%=not seated

91=not seated=65% of of all
find 100%

91=65% of all
91=0.65 times all
divide both sides by 0.65
140=all


140 students

a van has room for 6 students and 2 teachers.how many vans are needed for a total of 48 students and 16 teachers?

Answers

2 vans = 12 students and 4 teachers
4 vans = 24 students and 8 teachers
6 vans = 36 students and 12 teachers
8 vans = 48 students and 16 teachers

Basically saying:
___ x 6 = 48
___ x 2 = 16
Since the answer to both of these equations is 8, then 8 vans are needed to carry 48 students and 16 teachers.

*If you need a better explanation of this process or have any questions or comments, you can ask me at any time, I'd be happy to help!
the answer is 8 students and 8 teachers

Jon and Jim painted a fence. Jon painted 14 of the fence and Jim painted 512 of the fence. How much of the fence did they paint total?

Answers

526 add four to 512 =516 +10=526
526. you just add 14 to 512

. What is the value of r? 0.2(6r − 5) = 8 A. 3.2
B. 7.5
C. 10.8
D 12.4

Answers

0.2(6r - 5) = 8 
1.2r - 1 = 8  ( by distributing 0.2 )
1.2r = 8 + 1( by adding 1 )
1.2r = 9 ( dividing 1.2 on both side )
r = 7.5 Ans

Answer:

7.5

Step-by-step explanation:

0.2(6r-5)                 =8              Distribute.

0.2(6r)-0.2 (5)         =8              Simplify.

1.2r−1                       =8              Add 1 to each side.

1.2r                          =9              Divide each side by 1.2.

1.2r/1.2                     =9/1.2        Simplify.

r                               =7.5

Hope this helps!

Which expression is equivalent to 8a + 20?A. 4(2a + 20)
B. 4(2a + 5)
C. 4(4a + 16)
D. 4(4a + 5)

Answers

The expression 8a + 20 is equivalent to the expression 4(2a + 5). Then the correct option is B.

What is an equivalent expression?

The equivalent is the expression that is in different forms but is equal to the same value.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

The expression is given below.

⇒ 8a + 20

Factorize the terms of the expression, then we have

⇒ 4 × 2a + 4 × 5

Take 4 common from both terms, then we have

⇒ 4 × 2a + 4 × 5

⇒ 4 (2a + 5)

The expression 8a + 20 is equivalent to the expression 4(2a + 5). Then the correct option is B.

More about the equivalent link is given below.

brainly.com/question/889935

#SPJ3
B since 4 times 2 is 8 and 4 times 5 is 20

What is the ratio for 11:25 in a fraction, decimal, and percent

Answers

11:25 in a fraction, decimal, and a percent:
11/25
0.44
44%
11/25
is fraction....________________________________________
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