2 years ago

If 2/3 + p = 1 and 4/5+ q = 3, what is the value of p+q?

Mathematics

1 answer:

inessss [21]2 years ago

5 0

Answer:

p+q = 38/15

Step-by-step explanation:

2/3+p = 1. p = 1 - 2/3

4/5 + q = 3. q = 3 - 4/5

p + q = 1 - 2/3 + 3 - 4/5

-2/3 - 4/5 (common denominator = 15)

4 - 10/15 - 12/15 = 4 - 22/15

4 - 22/15 = (4*15 - 22)/15

= 38/15

You might be interested in

If (x-1)/(x)=20 then x=

nadezda [96]

$D:x\neq0\\\\\frac{x-1}{x}=20\ \ \ \ |cross\ multiply\\\\20x=x-1\ \ \ \ |subtract\ x\ from\ both\ sides\\\\19x=-1\ \ \ \ \ \ |divide\ both\ sides\ by\ 19\\\\\boxed{x=-\frac{1}{19}}$

6 0

2 years ago

Read 2 more answers

Write a system of equations to describe the situation below. Sparkles the Clown makes balloon animals for children at birthday p

almond37 [142]

Answer:

Step-by-step explanation:

Let's break it down.

Sparkles used 12 balloons total to make 4 balloon animals. Divide 12 by 4, and you will get 3.

What I did for part 2 of the equation, is I multiplied 4 and 5 by 3 to ensure the variable matched my calculations. 4x3 is 12, and 5x3 is 15. add 12 and 15, and you will get 27 total balloons.

5 0

2 years ago

Read 2 more answers

HAAALPp!! whhat is 12x40<br> i will mark

Bond [772]

Answer:

Step-by-step explanation:

480?

5 0

2 years ago

Read 2 more answers

A stack of nickels has a mass of 45g. There are 9 nickels in the stack. What is the mass of one nickel?