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balu736 [363]
3 years ago
5

Explain why the rearranged expression is easier to work with

Mathematics
1 answer:
Alex17521 [72]3 years ago
7 0
Where is the expression?
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Two cells are viewed and measured under a microscope. The approximate diameter
nikklg [1K]

Answer:

option D. 4.7 x 10-4 m

Step-by-step explanation:

<u><em>The correct question is</em></u>

• cell P: 5.0 x 10-4 meters

• cell Q: 3.0 x 10-5 meters

we have            

The diameter of cell P is  5*10^{-4}\ m

The diameter of cell Q is  3*10^{-5}\ m

Rewrite the diameter of cell P as    

5*10^{-4}\ m=5*10^{-4}(\frac{10}{10})=50*10^{-5}\ m

Find the difference

50*10^{-5}\ m-3*10^{-5}\ m=47*10^{-5}\ m

Rewrite the difference as

47*10^{-5}\ m=47*10^{-5}}(\frac{10}{10})=4.7*10^{-4}\ m

7 0
3 years ago
Sally has to pay a deposit to rent a kayak of $50.00, then she is charged $7.00 per hour
solmaris [256]

Answer:

$92

Step-by-step explanation:

Since Sally plans to keep the kayak for 6 hours and it's $7 per hour we can multiply 6*7 to determine how much she will be charged for keeping the kayak.

6*7=$42

Now we add this to the original deposit of $50.

$50+$42=$92

4 0
2 years ago
Sam is a second grader and weighs 35 kilograms. How many milligrams does Sam weigh?
Mamont248 [21]

Answer:

35,000,000 miligrams

Step-by-step explanation:

1 kilograms= 1,000,000

1,000,000×35=35,000,000

6 0
3 years ago
A high school choir had a car wash to raise money, the number of trucks washed was 5 fewer than twice the number of cars washed.
Aneli [31]

Answer:

Step-by-step explanation:

ok so, we know they washed 34.

x-5=Trucks washed [19.5-5=(14.5)]

x=cars washed (19.5)

x+x-5=34

2x-5=34

+5   +5

2x=39

divide 2 both sides

x=19.5

To check work: 19.5+14.5=34!

Hope this helps :)

7 0
3 years ago
To make a snack mix, combine 2 cups of raisins with 4 cups of pretzels and 6 cups of almonds. Use this to answer 2b. (2b) There
lutik1710 [3]
I think answer should be 8 please give me brainlest let me know if it’s correct or not okay thanks bye
3 0
3 years ago
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