A person lost in an office building travels up 3 floors in an

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

6 0

Answer:

B. +3 - 1 + 5 - 4

Step-by-step explanation:

The plus means going up and the negative means you are going down.

You are going up 3 floors (+3)

You are going down 1 floor ( -1)

You are going up 5 floors (+5)

You are going down 4 floors (-4)

Let me know if this helps!

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Jack spends 1 2/5 as long on his homework as Jill. Last week, Jill spent 6 3/4 hours doing homework. How long did Jack spend doi

-BARSIC- [3]

6 3/4 hours = (6*60)+45 = 405 minutes
7/5 = 1,4
405 minutes * 1,4 = 567 minutes
= Jack spent 9 3/4 hours

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2 years ago

The point A(2, 4) is rotated 270 ccw. where is A'? Anyone !?!????

erica [24]

Step-by-step explanation:

The point A(2, 4) is

rotated 270 ccw, so the A' should be on the 4th quadrant

=> A' (4, -2)

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2 years ago

Show work for this fraction 1 2/3-3/4

statuscvo [17]

$1\frac23-\frac34$

Write 1 2/3 as an improper fraction...
1 = 3/3. Plus the 2/3 makes 5/3.

$\frac53-\frac34$

To add/subtract fractions, they need the same denominator. (bottom number)

We can change the denominator by multiplying the top and bottom of a fraction by the same number. (it will stay equal, like 1/2 and 2/4)

Let's change 5/3 and 3/4 to a denominator of 12.

5/3 = 20/12 (bottom multiplies by 4, so does the top)
3/4 = 9/12 (bottom multiplies by 3, so does the top)

$\frac{20}{12}-\frac9{12}$

Now we just subtract the 20 minus 9 twelfths. (the twelfths act as a sort of unit)

$\boxed{\frac{11}{12}}$