Three fifths plus one half equals what

Answers

Answer 1
Answer: eleven out of 10. 11/10

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If r(x) = 3x - 1 and s(x) = 2x , which expression is equivalent to (r/s) (6)

A farmer wants to fence a section of land for a horse pasture. Fencing costs $27 per yard. How much will it cost to fence the pasture?

Answers

find the perimeter of the fence multiply by 27$ I'd give the answer but it's missing information

Answer:

what is it

Step-by-step explanation:

What is 1/4 - [-3/8] =

Answers

1/4 - [-3/8]

(1)/(4)- (-(3)/(8))

Negative times negative become positive

(1)/(4) + (3)/(8)

Now to add fractions we make the denominator same

4  and 8 are in the denominator

Least common denominator of 4  and 8 is 8

To make denominators same , we multiply the numerator and denominator of first fraction by 2.

(1*2)/(4*2) + (3)/(8)

(2)/(8) + (3)/(8)

The denominators are same so we combine the numerators

(2+3)/(8)

(5)/(8)



(1)/(4)  -  ( - 3)/(8)  =  (5)/(8)
5/8 cross multiply on the top then multiply the denominator you get 20/32 reduce that it's 5/8

After 14 eighth graders got on the school bus, there were 42 students on the bus. How many were on the bus before the eighth graders got in?

Answers

there were 28 students already on the bus


Answer:

28

Step-by-step explanation:

42-14 = the amount of students that were on the bus before 14 students got on

Is 3y=4x an example of direct variation?

Answers

Answer:

NO

Step-by-step explanation:

Answer:

NO

Step-by-step explanation:

A direct variation is defined as when two numbers change but one is always a multiple of the other or if they always have a constant ratio.

Ethan ran 11 miles in 2 hours. what is the unit rate of miles to an hour?

Answers

11 รท 2 = 5.5
Ethan ran 5.5 miles per hour

Answer:

Ethan ran 5.5 miles per hour!

Step-by-step explanation:

A

Regina wanted an increase in her weekly allowance from $5 to $10, but her parents did her one better. Instead, Regina rolls a fair, six-side die every week, and her allownace for that week will be the number she rolls multiplied by 2. Write and expression where n represents the number on the die that Regina rolls that week.

Answers

The expression is 2n