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Dahasolnce [82]
3 years ago
12

Help me with these questions please, I don’t understand scientific notation!

Mathematics
1 answer:
viva [34]3 years ago
7 0
Try to make each one to only have one decimal place... the first one is 4.5*10^-6
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Ann's car can go 266 miles on 7 gallons of gas. During a drive ann used 8 gallons of gas. how far dis she drive​
soldier1979 [14.2K]
266/7 =38 miles/ gal

38*8= 304 miles
3 0
3 years ago
I wil give brainleiat
AlladinOne [14]

Answer:

a) 300 + 80h = x

b) $780

Step-by-step explanation:

So, the original cost is $300, plus an additional $80 times the number of hours rented.

h will represent the number of hours rented

x will represent our total cost (use whatever variable your teacher expects :))

300 + 80h = x

This is our equation. Now, we want to find the cost for 6 hours. Substitute 6 in for h.

300 + 80(6) = x        Solve for x.

 300 + 480 = x

            780 = x        This means the total cost for 6 hours will be $780.

Hope this helps :)

NOTE: I noticed in part a, it referred to a "dunking booth". I solved this problem as if that was a typo and they were referring to the jumper.

3 0
2 years ago
Ends of a diameter: (-9, -16) and (3,0)
lbvjy [14]

Answer:

One example is the equation:

2x + 6 = 4x/2 + 12/2

To solve this, we need to transpose like terms to the same side.

2x - 4x/2 = 12/2 - 6

2x - 2x = 6 - 6

0 = 0

Since both sides are zero, it means that the equation has infinite number of solutions.

Step-by-step explanation:

6 0
2 years ago
___% of $10 = $2<br> Please help me I can not figure it out <br> I need it please
kherson [118]

Answer:

20 :)

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Combine the like terms to create an equivalent expression 3z+2+(-5z)+6
Yuki888 [10]

Answer:

-2z+8

Step-by-step explanation:

Combine -5z+3z to get -2z and combine 6+2 to get 8

Hope this helps

4 0
4 years ago
Read 2 more answers
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