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4 years ago

The larger the standard deviation is for a data set, the more variable the data in the set are. True or false?

1 answer:

3 0

True.

If the standard deviation value is larger, it means the data points are further away from the mean - which indicates that the data in the set are more variable.

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What is -14=3x+x-2 can someone please help

Tems11 [23]

Answer:

$\large\boxed{x=-3}$

Step-by-step explanation:

$-14=3x+x-2\qquad\text{add 2 to both sides}\\\\-14+2=3x+x-2+2\qquad\text{combine like terms}\\\\-12=4x\qquad\text{divide both sides by 4}\\\\\dfrac{-12}{4}=\dfrac{4x}{4}\\\\-3=x\to x=-3$

4 0

3 years ago

Jessica and her 2 sisters want to take a camping trip. They have $225 saved so far. Each of them will save $21 a week until they

Bogdan [553]

Answer:

225 + 63n for n- a natural number,

set 512=225+63n to find total number of weeks

63=21*3

use n=4 to solve the amount saved in 4 weeks

they wont 60*4=240, 240+12, 252+225=477

how much are the saving a day

what do they need to put up to have enough in 4 weeks

how much a day do the need to save to go in 1 week

etc

Step-by-step explanation:

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3 years ago

tankabanditka [31]

Answer:

sleep ia word qjwjnwjeje

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3 years ago

An object moves in simple harmonic motion with period 8 seconds and amplitude 6 cm. At time t = 0 seconds, its displacement d fr

Vladimir79 [104]

In the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

<h3>What is simple harmonic motion?</h3>

Simple Harmonic Motion is described as a motion in which the restoring force is proportionate to the body's displacement from its mean position.

We have:

Amplitude A = 6 cm

Time period = 8 seconds

T = 2π/w

8 = 2π/w

w = π/4

Its displacement d from rest is -6 cm, and initially, it moves in a positive direction.

d(0) = -6 cm at t = 0

The equation becomes:

$\rm d = 6sin(\dfrac{\pi}{4}t)-6$

Thus, in the equation model, the simple harmonic motion is d=6sin(πt/4)-6 if the object moves in simple harmonic motion with a period of 8 seconds and amplitude of 6 cm.

Learn more about the simple harmonic motion here:

brainly.com/question/17315536

#SPJ1

4 0

3 years ago

Explain how we use the distributive property in math:

vodomira [7]

Answer:

To “distribute” means to divide something or give a share or part of something. According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

<h3>Please mark as brainliest</h3>

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3 years ago