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Cloud [144]
3 years ago
11

What is 6.6 × 10^2 in standard form​

Mathematics
2 answers:
OlgaM077 [116]3 years ago
8 0
660

Explanation: When you see ^x, you have to add x many zeroes to the end of your original number! So 7 * 10^3 would be 7000, etc. Hope this helps!
NemiM [27]3 years ago
3 0

In standard form :660

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Subtitute 2x+y=7 and 3x-y=8
iogann1982 [59]

Answer:

x = 3 , y = 1

Step-by-step explanation:

2x + y = 7

3x + y = 8

solution

2x + y = 7-----------(1)

3x - y = 8------------(2)

from equation 1

2x + y = 7

y = 7 - 2x-------------(3)

substitute equation 3 into equation 2

3x - y = 8

3x - (7 - 2x) = 8

3x - 7 + 2x = 8

3x + 2x = 8 + 7

5x = 15

divide through by the coefficient of x

5x/5 = 15/5

x = 3

to find y

substitute x into equation 1

2x + y = 7

2(3) + y = 7

6 + y = 7

y = 7 - 6

y = 1

8 0
4 years ago
Plz help ill give u brainlist plz asap
elena-14-01-66 [18.8K]
Base area = 6 ( 1/2 x 6 x 5.2) = 93.6 cm²

Volume = base area x height = 93.6 x 17 = 1591.2cm ³

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Answer: Volume = 1591.2 cm³
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8 0
3 years ago
christa makes a bouquets of flowers so that the ratios are 5 roses to 4 daisies to 2 lilies christa makes a bouquet of 99 flower
pantera1 [17]
She uses 45 roses, 36 daisies, and 18 lilies. The reason is all of those fit the pattern used above and all of those are multiplied by the same number, making them equivalent
8 0
4 years ago
naomi's fish is 40 millimeters long. her guinea pig is 25 centimeters long. how much longer is the guinea pig than her fish
horrorfan [7]
Hi there!

The correct answer is 6.25 times.

This is how you get there:

1) First off, you are going to need to have the same unit (either cm or mm). I used millimeters for this problem. 25cm=250mm

2) This next part is very easy to get wrong. You need to figure out what you are dividing, and by what. Simply look at the problem. <span><em>"How much longer is the guinea pig than her fish?" </em>This shows what numbers you should be getting. The guinea pig is 250mm long, where the fish is only 40. This means that her guinea pig should be larger. 250÷40=6.25

If you did this problem the other way, you would've ended up with .16. If you put the sizes into perspective, you will notice that this is highly unlikely.

I hope that I have been able to simplify this problem for you!

Brady
</span>
3 0
3 years ago
How many 1/12 make a quarter?
ch4aika [34]

Answer:

3

Step-by-step explanation:

3/12 = .25

.25 = a quarter

plz mark brainliest ! :)

5 0
3 years ago
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