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exis [7]
3 years ago
6

Can someone please solve this for me?

Mathematics
1 answer:
Lorico [155]3 years ago
3 0

Answer:

F

Step-by-step explanation:

Solution of the system of equations is the points of intersections.

So, solutions  are

(-1,0), (0,-1)

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3226.08

Step-by-step explanation:

57.2 x 56.4

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You have $55,000 in your savings account that pays 2.5% annual interest and the inflation rate is 3.4%. how much buying power in
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Your interest formula is given to you. 

<span>Interest in a year = principal (the amount invested) * rate (the interest rate) * period (the time you're measuring) </span>

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<span>How much would you need to have made for your spending power to keep with inflation? Your interest rate would have needed to match the inflation rate, otherwise, prices are going up faster than you're saving. </span>

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3 years ago
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1. Rachel has a fair pyramid with four faces and a spinner with three equal-sized colored sections. What is the probability that
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4. Ten less than the product of six and eight less than a number
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3 years ago
The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of
Varvara68 [4.7K]

Answer:

A) 68.33%

B) (234, 298)

Step-by-step explanation:

We have that the mean is 266 days (m) and the standard deviation is 16 days (sd), so we are asked:

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P ((x1 - m) / sd < x < (x2 - m) / sd)

P ((250 - 266) / 16 < x < (282 - 266) / 16)

P (- 1 < z < 1)

P (z < 1) - P (-1 < z)

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The percentage of pregnancies last between 250 and 282 days is 68.33%

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