cyclist were 3/4 finished with their ride when they reached the 15 kilometer mark. how long was the ride?

Answers

Answer 1

Answer: 20km

15km 3/4
_____ = ___
Xkm 4/4

cross multiply...
3/4x=15
divide both sides by 3/4
x=20km

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why does the multiplication property of equality not allow us to divide both sides of an equation by zero

Answers

Answer:

Yeah, it doesn't...and it won't happen

Step-by-step explanation:

Because dividing with zero isn't a "thing" in math. Let's say you have 12 cookiesbut you're saying you are going to divide among zero people? See? It doesn't even have a real answer because no action happens, but if you said you would split the 12 cookies among 6 people that would means each person would get 2. So multiplying and dividing with zero isn't real math, that's why it doesn't work with equations and math in general.

A bowl of candy is sitting on the counter. If there are twelve blue pieces, fourteen red pieces, and six yellow pieces in the bowl, what is the probability of randomly selecting a blue piece?

Answers

Answer:

$(3)/(8)$ or 37.5%

Step-by-step explanation:

A bowl of candy is sitting on the counter.

Blue pieces = 12

Red pieces = 14

Yellow pieces = 6

Total candy = 12 + 14 + 6 = 32 pieces

The probability of randomly selecting a blue piece = $(12)/(32)$ = $(3)/(8)$

The probability of randomly selecting a blue piece = $(3)/(8)$ 37.5%

if you add 12(blue) 14(red) 6(yellow) you get 32 so 12/32 is 0.37

Using coordinate geometry, prove that Quadrilateral MIKE is a Parallelogram:

Answers

Answer: It has two pairs of parallel lines

Step-by-step explanation:

coordinates of E (-4,4) K (4,4) M(-6,-3) I( 2,-3)

The distance from E to K is 8 the same as the distance from M to I.

The distance from M to E is about 7.3 and the distance between K and I is the the same thing.

Answer:

Counting the unit on graph, we observes:

EK = MI = 8

EK // MI // x-axis

=> MEKI is parallelogram

Hope this helps!

How many 1-inch cubes do you need to create a cube with an edge length of 5 inches?

Answers

You need 125 1-inch cubes to create a cube with annedge length of 5 inches

125 cubes to get to 5 inches 5 * 5*5=125

What is the LCD of 5/12 and 3/8

Answers

24 is the LCD of 5/12 and 3/8

the LCD is 24

8 times 3 = 24
12 times 2 = 24

Solve for a.

5a - 2 = 23
a = ?

Answers

5a - 2 = 23.

First, take 5a - 2 = 23 and add 2 to each side

5a - 2 = 23
+2 +2
5a = 25

now, divide each side by 5

5a = 25
/5 /5

a = 5

Answer:

a=5

Step-by-step explanation:

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