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andrey2020 [161]

4 years ago

14

OMG PLS HELP AND NO ABSURD RESPONSES THIS TIME SMH

1 answer:

fiasKO [112]4 years ago

6 0

The colors on the image should match the correct blank spots on the proof. Please let me know if you disagree or is confused by my choices.

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What is the point slope form of the line with slope -1/4 that passes through the point ( -2,9 )

morpeh [17]

$\bf (\stackrel{x_1}{-2}~,~\stackrel{y_1}{9})~\hspace{10em} \stackrel{slope}{m}\implies -\cfrac{1}{4} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{9}=\stackrel{m}{-\cfrac{1}{4}}[x-\stackrel{x_1}{(-2)}]\implies y-9=-\cfrac{1}{4}(x+2)$

8 0

4 years ago

. The mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days. Suppose that the incubation ti

Paul [167]

Answer:

Step-by-step explanation:

Given that the mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days.

Let X be the incubation time for a type of fertilized egg kept at a certain temperature is 25 days.

X is N(25, 1)

a) Normal curve is in the attached file

b) the probability that a randomly selected fertilized egg hatches in less than 23 days

= $P(X$

we convert x into Z score and use std normal distn table to find probability

$P(X$

i.e. we can say only 2.5% proportion will hatch in less than 23 days.

8 0

3 years ago

There are 181 students going on a college field trip.

Mice21 [21]

43 students are on each bus

5 0

3 years ago

A ski has an angle of elevation of 24.4 degrees and a vertical drop of a 1100 ft to the nearest ft, how long is the ski run?

zubka84 [21]

Answer:

2663 ft

Step-by-step explanation:

Using SOHCAHTOA:

$\sin(24.4) = \frac{1100}{x}$

Solve for x:

$x = \frac{1100}{ \sin(24.4)}$

$x = 2662.765 \approx \: 2663ft$

6 0

3 years ago

Solve this problem as FAST as YOU can

natka813 [3]

That's actually tough

3 0

3 years ago