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2 years ago

Pleaseee help I’m really not sure

Mathematics

1 answer:

Mnenie [13.5K]2 years ago

5 0

Answer:

option 4

$2 x + 3 = y$

2 (1)+3=5

2 (2)+3=5

and so on and so on

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Write the equation of the line that passes through (3, 4) and ( 2, -1) in slope-intercept form

rjkz [21]

$\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{-1}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-1}-\stackrel{y1}{4}}}{\underset{run} {\underset{x_2}{2}-\underset{x_1}{3}}}\implies \cfrac{-5}{-1}\implies 5 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{4}=\stackrel{m}{5}(x-\stackrel{x_1}{3}) \\\\\\ y-4=5x-15\implies y=5x-11$

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3 years ago

What is 7P4 A: 28 B: 35 C: 210 D: 840

Semmy [17]

Answer:

Step-by-step explanation:

using the definition of n $P_{r}$ = $\frac{n!}{(n-r)!}$

where n! = n(n- 1)(n - 2)......× 3 × 2 × 1

here n = 7 and r = 4, hence

7 $P_{4}$

= $\frac{7!}{3!}$

= $\frac{7(6)(5)(4)(3)(2)(1)}{3(2)(1)}$ ← cancel 3 × 2 × 1 leaving

7 $P_{4}$ = 7 × 6 × 5 × 4 = 840 → D

4 0

2 years ago

Read 2 more answers

Help me ASAP for question 9

bulgar [2K]

Answer:

What is the arc length and sector area for the following circle. Round your answer to 4 decimal places.

Step-by-step explanation:

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2 years ago

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What is α, the probability of a Type I error if the null hypothesis, H0, is: Carmin believes that her chemistry exam will only c

baherus [9]

Answer:

The probability of falling into a type I error, when testing a hypothesis test, consists of:

Probability of rejecting the null hypothesis when, in reality, this hypothesis is true.

Probability of rejecting the null hypothesis when, in reality, this hypothesis is true, is:

Probability of Affirm that Chemistry exam will NOT cover only chapters four and five, since the Chemistry exam will cover only chapters four and five.

That is, alpha is the probability that Carmin decides to study additional chapters, unnecessarily.

Step-by-step explanation:

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2 years ago

Which of the following coordinates are not correctly named based on the image?

timama [110]

Answer:

Hi, there the answer is (4,2)

Step-by-step explanation:

The reason is that 4 is the y-axis and 2 is the x-axis and

the rule is x is first then y

The correct format for writing this it is supposed to be (2,4).

Therefore, your answer will (4,2)

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2 years ago