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Advocard [28]
4 years ago
10

What is an example of when you might need to use decimals and other rational numbers in everyday life?

Mathematics
1 answer:
nignag [31]4 years ago
5 0
Well, in the store, when you buy something, there are decimals, also, speed limit for your car, and time, but that is not an exact thing for this question, because 60 can't be a decimal. you cant make it so you can show 60 seconds as a decimal without an irrational number. sometimes, the number just goes on forever.
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Tracy received a score of 85% on her quiz. If Tracey answered 9 questions incorrectly, how many questions were on her quiz?
Vikki [24]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
14 - ( 9t - 2 ) < - t + 30 Anyone know multistep equations
ZanzabumX [31]

Answer:

t > -7/4

Step-by-step explanation:

Step 1: Write out inequality

14 - (9t - 2) < -t + 30

Step 2: Distribute

14 - 9t + 2 < -t + 30

Step 3: Combine like terms

-9t + 16 < -t + 30

Step 4: Add 9t to both sides

16 < 8t + 30

Step 5: Subtract 30 on both sides

-14 < 8t

Step 6: Divide both sides by 8

-7/4 < t

Step 7: Rewrite

t > -7/4

3 0
3 years ago
red and blue ceramic tiles are laid according to a pattern such that every 21 red tiles used, 4 blue tiles are used. if a total
ladessa [460]

Answer:

X= blue tiles

Y = red tiles

X/y = 4/21

X+y= 425

Y= 357 tiles

X= 68 tiles

Step-by-step explanation:

red and blue ceramic tiles are laid according to a pattern.

The pattern= every 21 red tiles used, 4 blue tiles are used

Total number of tiles used = 425 tiles

X= blue tiles

Y = red tiles

X/y = 4/21

X+y= 425

21x= 4y

X= 4y/21

X+y= 425

4y/21 + y = 425

25y= 425(21)

Y=( 425*21)/25

Y= 357 tiles

X= 4y/21

X= (4*357)/21

X= 1428/21

X= 68 tiles

4 0
3 years ago
Let x be a multiple of 3
marissa [1.9K]

Answer:

y=mx+b

Step-by-step explanation:

4 0
2 years ago
What is the slope of (10,5) and (-2,-4)
postnew [5]
To find the slope, use the equation
m = (y2-y1)/(x2-x1)
Since we have 2 coordinates, we can use the formula.
m = (-4-5)/(-2-10) = (-9)/(-12) = 3/4. The slope is 3/4. Hope this helps.
3 0
2 years ago
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