What is one third plus one fourth and what is 1/3 + 1/2

Answers

Answer 1

Answer: $(1)/(3)+(1)/(4)=(4)/(12)+(3)/(12)=(7)/(12)\n \n \n(1)/(3)+(1)/(2)=(2)/(6)+(3)/(6)=(5)/(6)$

Answer 2

Answer:
1/3+1/2=5/6
and 1/4+1/3=7/12

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1. Determine the value of x forwhich r | s.(2x + 6)42°

The amount Ben earns y varies directly with the number of hours he works X as shown in the graph. write a direct variation equation. identify the constant of variation and interpret it's meaning

Answers

Not as complicated if you understand direct variation.
The standard set up for direct variation is y=kx, which happens to be the case here. K stands for constant, which is what it is asking for. The constant is the ratio of y/x in direct variation and I can not solve that without seeing the graph, but the meaning of the constant of variation in this situation is The amount Ben earns per hour. Or in general The constant number multiplied by x to get y in the ratio between x and y in a direct variation situation.

What is the value of b? –7b = –42

Answers

for this question you can just divide the both sides by -7 so you gonna have :
-7b/-7 = -42/-7 ⇒ b = 6 :)))
i hope this is helpful
have a nice day

$-7b = -42\n\nb = (-42)/(-7)\n\n\boxed{\bf{b = 6}}$

If z=4.0 and y= 7.2 what is the value of x?

Answers

Nothing further can be done with this it needs to be explained better

The ratio 8.4 to 4.4

Answers

Ratios can be written in multiple ways such as

a:b
a to b
a/b

So we can write yours in those three ways:

8.4:4.4
8.4 to 4.4
8.4/4.4

Gender: Grade 9 Grade 10 Grade 11 Grade 12Male: 53 19 27 37

Female: 31 42 50 61

What percentage of females are in grades 11 and 12? Round to the nearest percent.

27%

35%

60%

67%

Answers

Answer:

Option C- 60%

Step-by-step explanation:

Given :

Gender : Grade 9 Grade 10 Grade 11 Grade 12

Male: 53 19 27 37

Female: 31 42 50 61

To find : Percentage of females are in grades 11 and 12

Solution: Total number of females= 31+42+50+61= 184

Number of females in grades 11 and 12 = 50+61 = 111

Percentage of females are in grade 11 and 12 = (No. of females in 11 and 12/total no. of females) × 100

$\Rightarrow (111)/(184)*100=(11100)/(184)=60.32$

Percentage is approx. = 60%

Therefore, option C is correct

There are 31+42+50+61=184 total females, and 50+61=111 females in grades 11 and 12, so the percentage is 111/184*100=60.33 percent, which can be rounded to 60%.

4x-5=6x+11 solve for x

Answers

Isolate X
4x - 5 = 6x + 11
4x - 4x - 5 = 6x - 11 - 4x
-5 = 6x - 4x - 11
-5 = 2x - 11
-5 + 11 = 2x -11 + 11
6 = 2x
6/2 = 2x/2
3 = x

X is 3.

4x - 5 = 6x + 11

10 x - 16

10 divided by 10 = x

16 divided by 10 = 1.6

x = 1.6

I think.

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There is my question