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Y_Kistochka [10]
3 years ago
11

A certificate of deposit whith principal $150 earns 4%annual interest for 2 years

Mathematics
1 answer:
Leokris [45]3 years ago
4 0

Answer:

$162 ( or 162.24 when interest compounded)

Step-by-step explanation:

If 4% is simple interest, $150 after 2 years

150 x (1 + 0.04 x 2) = 150 x 1.08 = 162.00

If it is compound interest

150 x (1 + 0.04)² = 150 x 1.0816 = 162.24

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Simplify. Write your answer using whole numbers and variables.
Andre45 [30]

Answer:

q + 7

Step-by-step explanation:

(q² + 4q − 21) / (q − 3)

Factor the numerator:

(q + 7) (q − 3) / (q − 3)

Divide:

q + 7

5 0
3 years ago
An airplane is ascending at a constant rate of 15 feet per second what is the change in altitude during 10 minutes of flight
fenix001 [56]

Answer:

9000 ft

Step-by-step explanation:

Given: A airplane is ascending at a constant rate of 15 feet per second,

What we need to know: The change in altitude during 10 minutes of flight,

60 seconds = 1 minute

60 × 10

= 600 seconds

600 × 15

= 9000 ft

Therefore there was a 9000 ft change in altitude during the 10 minutes of the flight.

6 0
2 years ago
Solve the equation and justify the steps used to solve. <br> 4+q=17
frez [133]
The answer is 13 … just minus 17-4 and it will equal 13
8 0
3 years ago
The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation o
Wittaler [7]

Answer:

Around 0.73% of adults in the USA have stage 2 high blood pressure

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 121 and standard deviation of 16.

This means that \mu = 121, \sigma = 16

Around what percentage of adults in the USA have stage 2 high blood pressure

The proportion is 1 subtracted by the p-value of Z when X = 160. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{160 - 121}{16}

Z = 2.44

Z = 2.44 has a p-value of 0.9927.

1 - 0.9927 = 0.0073

0.0073*100% = 0.73%

Around 0.73% of adults in the USA have stage 2 high blood pressure

5 0
3 years ago
Question is in picture need help asap
Andrej [43]
The given expression is:

\sqrt[4]{ 9^{ \frac{1}{2}x } }

4th root is equivalent to raising the expression to power \frac{1}{4}. So, re-writing the expression by converting radical to exponent:

( 9^{ \frac{1}{2}x } )^{ \frac{1}{4} } \\  \\ &#10;= 9^{ \frac{1}{8}x }

Therefore, the given expression simplifies to 9^{ \frac{1}{8}x }
6 0
3 years ago
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