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Rzqust [24]
3 years ago
9

If u can answer these please do

Mathematics
2 answers:
enot [183]3 years ago
8 0

Answer:

1) 8.5x10^8

2) 5.3x10^-3

3) 9.95x10^12

Step-by-step explanation:

Since they have the same exponents, you just add or subtract and leave the rest the same.

1) 8.5x10^8

2) 5.3x10^-3

3) 9.95x10^12

S_A_V [24]3 years ago
5 0

Answer:

1. 850,000,000

2. 53/100 OR 0.0053

3. 9, 950, 000, 000, 000

Step-by-step explanation:

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Explain the algebra 5a - 9a - (-2a) =
sleet_krkn [62]

Hello!

5a - 9a - (-2a) =

= 5a - 9a + 2a =

= -4a + 2a =

= -2a

Good luck! :)

7 0
3 years ago
What is the simplest form of this expression?<br> 4(-n-3) + 7
Serga [27]

Answer:

− 4 n − 5

Step-by-step explanation:

Simplify the expression.

5 0
3 years ago
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It is believed that 36% of the US population has never been married, 32% are divorced, 27% are married, and 5% are widowed. You
Katena32 [7]

Answer: the smallest number of people required for the sample to meet the conditions for performing inference is 100

Step-by-step explanation:

Given that;

36% of US population has never been married

32% are divorced

27% are married

5% are widowed

Taking a simple random sample of individuals to test this claim;

we need expected count in each cell to be at least 5, here the smallest proportion is 5% = 0.05

so we only need to satisfy condition for its expected count;

n × 0.05 ≥ 5

n = 5 / 0.05 = 100

Therefore the smallest number of people required for the sample to meet the conditions for performing inference is 100

6 0
3 years ago
HAVE A NICE DAY <br> WILL GIVE BRAINLST :)
muminat

Answer:

1)  2 and 6 ; 4 and 8 ; 1 and 5 ; 3 and 7

2)  3 and 6 ; 4 and 5

3) 1 and 8 ; 2 and 7

7 0
3 years ago
Read 2 more answers
What is the slope of the line through (-3, 3) and (-1, -1)?
Vladimir79 [104]

Answer:

The slope is -2

Step-by-step explanation:

To find the slope, we can use the slope formula

m = ( y2-y1)/(x2-x1)

    = (-1 -3)/(-1 - -3)

   = ( -1-3)/(-1+3)

   = -4/2

   = -2

The slope is -2

3 0
2 years ago
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