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Burka [1]
3 years ago
14

The ratio of pencils to erasers is 4:1 if there are 20 pencils how many erasers are there? Kerion has a beaded necklace business

she can make 12 necklaces in 2 hours how long will it take her to make 9 necklaces
Mathematics
1 answer:
Misha Larkins [42]3 years ago
7 0

Answer:

we express the ratio of pencil to eraser and multiply it by the number of the number of pencils and erasers. 4/5 * x=20 , so x=25, then it implies that there are 5 erasers.

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Explain why it is correct to claim that A/B < B/A is true.
PolarNik [594]

Answer:

Think of it as a small number and a large number. If the large number is being divided by a small number, of course that would be larger than the small number being divided by the large number.

3 0
2 years ago
How do I solve this?
ozzi
The answer is A) √3
cot(-5π/6)=1/tan(-5π/6)
=1/tan(-(5π/6)
Use the property: tan(-x)=-tan(x)
=1/tan(5π/6)
-(1/tan(5π/6))
tan(5π/6)=-√3/3
-(1/-√3/3)
-(1/-√3/3)
=√3
4 0
2 years ago
Read 2 more answers
The sum of Alan’s age and Bob’s age is 40.
Nutka1998 [239]
Carl is 2 yrs older than bob. Because Alan+Carl is 2 more than Alan+bob
So bob=16 and Carl is 18
16+18=34
And Alan is 24
8 0
3 years ago
HELP PLEASE!!! CLUELESS
statuscvo [17]
-3-8X≥9

Add 3 on both sides.

-8X≥12

Divide by negative 8 and flip the sign.

X≤-1.5

There isn't a number behind five, so I would just keep as is.

I hope this helps!
~kaikers
5 0
3 years ago
Insert parentheses to make the statement true <br> 21-8-6=7
Advocard [28]

(21-8)-6=7

and that's it

5 0
2 years ago
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