MATHEMATICS MIDDLE SCHOOL

Juanita runs every third day and swims every fifth day. If Juanita runs and swims today, in how many days will she run and swim again on the same day?

Answers

Answer 1

Answer:

we know that

The least
common multiple (LCM) of two or more numbers is the least

number, other than zero, that is a multiple of all the numbers.

In this problem, we are looking for the least common multiple of $3$ and $5$

Multiply $3$ by $5$

$LCM=3*5\n LCM=15$

therefore

On the $15th$ day after today, she will do both on the same day

the answer is

$15 days$

Answer 2

Answer: We are looking for the least common multiple of 3 and 5 which is 15. On the 15th day after today, she will do both on the same day.

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A square pyramid has a base area of 36ft2 the pyramids total surface area is 144ft2 what is the area of each triangular face?

Answers

so a square pyramid is like the pyramids in egypt so
surface area of pyhraid=base+4 triangles
surface area=144
baswe=36
subsitute
144=36+4 times triangles
subtract 36 from both sides
108=4 triggles
divide by 4
27=trignels

the area of 1 triangle is 27 ft^2

Question 4 (1 point)AT&T has a cell phone that is 20% off the original price of $129. How much is the discount (in dollars)?
Blank 1:

Answers

Answer: $25.80

Step-by-step explanation:

the discount would be $25.80

59,000 to the nearest ten thousand

Answers

50,000 hope this will help

Solve 3x+2y=5 and x+y=3 as a graph, substitution, or elimination?

Answers

Step-by-step explanation:

multiply second equation by -2

-2 × (x+y) = 3➡ -2x - 2y = -6 now add up both equations

3x + 2y - 2x-2y = 5-6 ➡x = -1 (-2y eliminated +2y)

now use the value we found for x in the second equation to find the value of y

x + y = 3 we found x as -1

-1 +y = 3 ➡y = 4

Suppose you are decorating 2 frames with yarn. You want the 2 pieces of yarn to be the exact same size. Which 2 pieces of yarn should you use? Draw a number line to show how you found your answer?

Answers

I need more information what is the size of the yard or how big is the frame I can't do anything with the numbers that's given I'm sorry I would help you but its really complicated without those numbers

1. Find three consecutive integers such that the sum of the first and twice the thirdinteger is 93 more than the second integer