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3 years ago

3

Mathematics

1 answer:

VashaNatasha [74]3 years ago

5 0

Answer:

$8573.75

Step-by-step explanation:

The value of the car as a function of the number of years (t) is

V = $10,000(1.00-0.05)^t

which, after 3 years, comes to V = $10,000(1.00-0.05)^3 = $8573.75

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if a student scored 78 points on a test where the mean score was 84.5 and the standard deviation was 3.1. the student's z score

son4ous [18]

Answer:

(number - mean)/standard deviation.

Plug in the 78 for the number, the 84.5 for the mean, the 3.1 for the standard deviation.

Step-by-step explanation:

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2 years ago

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OleMash [197]

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180

Step-by-step explanation:

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1 year ago

Prime factorization of 50

prisoha [69]

The prime factorization of 50 is 2x5x5

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3 years ago

How to solve these two problems ？

puteri [66]

8) $\theta$ is -0.896 radians

9) length of arc is 41.91 cm

Solution:

Given that,

$tan\ \theta = \frac{-5}{4}$

$\theta$ is in quadrant 4

To find: $\theta$

From given,

$tan\ \theta = \frac{-5}{4}\\\\\theta = tan^{-1} \frac{-5}{4}\\\\\theta = tan^{-1} (-1.25)\\\\\theta = -51.34$

Thus value of $\theta$ is -51.34 degrees

Convert degrees to radians

$-51.34\ degree = -51.34 \times \frac{ \pi }{180}\ radian\\\\-51.34\ degree = -0.896\ radian$

Thus $\theta$ is -0.896 radians

From given,

radius = 15.4 cm

$\theta = \frac{13 \pi }{15}$

The length of arc when angle in radians is:

$arc\ length = r \times \theta\\\\arc\ length = 15.4 \times \frac{ 13 \pi }{15}\\\\arc\ length = 15.4 \times 2.721\\\\arc\ length = 41.91$

Thus length of arc is 41.91 cm

4 0

3 years ago

aliyah had some candy to give her four children. she first tooke ten pieces for herself and then evenly divided the rest among h

DIA [1.3K]

Let the original number be "x".
(x-10)/4 = 2

x-10 = 8
x = 18 (original number of pieces of candy.)

6 0

3 years ago