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3 years ago

7

Suppose that, for a set of data, the range is x and the interquartile range is y. Which statement MUST be true? A) x = y B) x ≤

y C) x ≥ y D) x + y = 1

2 answers:

vesna_86 [32]3 years ago

8 0

Answer:

x<u>></u>y=1

Step-by-step explanation:

Since x=MAX-MIN, and yQ3-Q1 cannot be farther apart than Min and Max.

Vitek1552 [10]3 years ago

3 0

c i suppose the answer

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What is the rate of change between (1,15) (3,45)?

Ksivusya [100]

Answer:

15

Step-by-step explanation:

Rate of change or slope or gradient of a line passes two points (x1, y1) and (x2, y2) could be calculated by:

(y2 - y1)/(x2 - x1)

=> Rate of change of the line passing (1,15) and (3,45):

(45 - 15)/(3 - 1) = 30/2 = 15

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2 years ago

25 points? pls idk the answer :((( help D:

DedPeter [7]

Answer:

18x = 7.2

x =.4

Step-by-step explanation:

Let x = the weight of one box

We have 18 boxes that weigh 7.2 lbs

18x = 7.2

Divide each side by 18

18x/18 = 7.2/18

x =.4

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2 years ago

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At the start of the experiment substance is measured to be 70°C, and by the end of the experiment its temperature is measured as

11Alexandr11 [23.1K]

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Answer:

-130 °C

Step-by-step explanation:

The change is found by subtracting the start temperature from the finish temperature. It is ....

-60 °C - 70 °C = -130 °C

3 0

2 years ago

How long would it take to double your principal in an account that pays 6.5% annual interest compounded continuously? round your

prisoha [69]

It would take 10.7 years.

The formula for continuously compounded interest is:
$A=Pe^{rt}$
where P is the principal, r is the interest rate as a decimal number, and t is the number of years.

Using our information we have:
$A=Pe^{0.065t}$

We want to know when it will double the principal; therefore we substitute 2P for A and solve for t:
$2P=Pe^{0.065t}$

Divide both sides by P:
$\frac{2P}{P}=\frac{Pe^{0.065t}}{P}
\\
\\2=e^{0.065t}$

Take the natural log, ln, of each side to "undo" e:
$\ln{2}=\ln{e^{0.065t}}
\\
\\0.6931471806=0.065t$

Divide both sides by 0.065:
$\frac{0.6931471806}{0.065}=\frac{0.065t}{0.065}
\\
\\10.7\approx t$

8 0

3 years ago

Read 2 more answers

Please actually answer this it has a good amount of points!

Vanyuwa [196]

The answer is D, "No, because two points with the same x-value have different y-values."

Essentially, there cannot be more than one point on the same x-line. Point (2, 11) and point (2, 2) are on the same x-line, which is 2.

Hope this helps!

6 0

3 years ago