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3 years ago

What is the next in the sequence 10 12 22 34 56 90

Mathematics

1 answer:

Mashcka [7]3 years ago

8 0

You add each number to get the next number and you find that the answer is 146:D

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Given: 3j+k/2=15-4k; Prove j=10-3k<br><br> And Given 5x-2y=x+14; Prove y=2x-7

baherus [9]

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Step-by-step explanation:

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3 years ago

Four numbers have a median of 4, a mean of 5 and a range of 9. The numbers are not integers. What could they be?

deff fn [24]

Divisors maybe I'm not certainly for sure thou so don't

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3 years ago

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Use the given information to determine the exact trigonometric value.

pashok25 [27]

Answer: $\bold{a.\quad -\dfrac{2\sqrt{6}}{5}}$

<u>Step-by-step explanation:</u>

$sin\theta=\dfrac{y}{h}\implies y=-1, h=5\\\\\\\text{Use Pythagorean Theorem to find x:}\\x^2 + y^2 = h^2\\x^2 + (-1)^2=5^2\\x^2+1=25\\x^2=24\\x=\sqrt{24}\\x=2\sqrt{6}$

$\text{Since }\theta\text{ is between }\pi\text{ and }\dfrac{3\pi}{2} \text{ (Quadrant III)},\text{ then x and y are negative.}\\\implies x=-2\sqrt{6}\\\\\\cos\theta = \dfrac{x}{h}\quad =\boxed{-\dfrac{2\sqrt{6}}{5}}$

5 0

3 years ago

Find the value of 5x +6 given that -2x-5=5

skad [1K]

Answer: 5x+6 = 6

Step-by-step explanation:

5 0

3 years ago

For the following, indicate whether a confidence interval for a proportion or mean should be constructed to estimate the variab

noname [10]

Answer:

The confidence interval for a population mean proportion mean should be constructed because the variable of interest is time to complete the round, which is a quantitative variable.

Step-by-step explanation:

A researcher with a golf association obtained a random sample of 25 rounds of golf on a Saturday morning and recorded the time it took to complete the round.

Time is the number of hours, so it is mean, and not proportion.

Variable of interest is time to complete the round, and since it is measured in hours it is a quantitative variable.

The answer is:

The confidence interval for a population mean proportion mean should be constructed because the variable of interest is time to complete the round, which is a quantitative variable.

3 0

3 years ago