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Alenkinab [10]
2 years ago
11

221,000,000,000,000,000,000 in scientific notation

Mathematics
1 answer:
larisa [96]2 years ago
8 0
2.21 x 10^17 and the answer is 2.21e+17
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Solve the following system of equations using elimination (multiplication)
Alecsey [184]
X= 3 y=3

(3)2x+y=9
4x-3y=3

6x+3y=27
4x-3y=3
——————
10x=30
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10
x=3

2(3)+y=9
6+y=9
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3 years ago
Item 2
astra-53 [7]

Answer:

a = 25

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here you go pro

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Two tenths is equal to what in fractions
SVEN [57.7K]
.2= 2/10
now you have to reduce it and it is 1/5
6 0
3 years ago
(60y – 18) = 2(8-16)​
Alekssandra [29.7K]

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3/10

Step-by-step explanation:

(60y-18)=2(8-16)

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4 0
2 years ago
Need help -5(1+2k)-8(-4+5k)
Nataliya [291]

Answer:

27 - 50k

Simplify

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-5 - 10k - 8 ( -4 + 5k )

2. Distribute

-5 - 10k - 8 ( -4 + 5k )

-5 - 10k + 32 - 40k

3. Add the numbers

-5 - 10k + 32 - 40k

27 - 10k - 40k

4. Add the same term to both sides of the equation

27 - 10k - 40k

27 - 50k

6 0
3 years ago
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