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Daniel [21]
3 years ago
8

5/x=7/21 what is x please help

Mathematics
1 answer:
wlad13 [49]3 years ago
6 0

I think it is 7 because 7×3 =21  Put 7in for x then ×it by 3

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I'm wondering: Is there a symbol for exponential things like 1^2^3^4^5^6...? If so, what is it?
Yuri [45]

Answer:

That sign means raise to power e.g 5^2.

5 in 2 places which is 25.

Also meaning 5× 2= 25

3 0
3 years ago
The maximum height of a vehicle that can safely pass under a bridge is 12 feet 5 inches. A truck measures 162 inches in height.
Nutka1998 [239]
It would not pass under the bridge because ig you divide 162 by 12 it would equal 13.5
4 0
3 years ago
Megan charges %5.00 for each hour, (h), she babysits. Last week, the total amount she earned by babysitting was $65.00.
mel-nik [20]

Answer:

B

Step-by-step explanation:

To find how many hours she worked you must divide $65 by $5 and B is the only equation where you can do that.

8 0
3 years ago
Once again I’m co fused lol
Leno4ka [110]

A to the middle one

B to the top one

C to the bottom one  

The top one is all real numbers because any number in the "l l" absolute brackets will come out to be positive, example: l-3l=3 and l3l=3. Thats going to be equal to and since the sign says "less than or equal to" that will work.

The middle one is only positive solutions because for 7x to be more than lxl it would need to be positive since the sign is "greater than"

The bottom one is none because the absolute of anything will always be more than a negative since the absolute is always positive. Never less or equal to a negative, always more.



7 0
3 years ago
Interest rate on a credit card is 1/2%. is 1/2% less then,equal to,or greater then 0.005? explain
andreev551 [17]
It’s is greater it would only be equal if you multiplied it by 100
4 0
2 years ago
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