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liberstina [14]
3 years ago
9

Please help!! ty <33​

Mathematics
2 answers:
ser-zykov [4K]3 years ago
4 0

Answer:

1

Step-by-step explanation:

yeah that's it

also double checked it

vladimir1956 [14]3 years ago
3 0

Answer:

<3 there your welcome

Step-by-step explanation:

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If k(x) = 5x - 6, which expression is equivalent to (k+ k)(4)?
erik [133]

Answer:

3h33j333jj3

Step-by-step explanation:b3n3n3nn3n33

8 0
3 years ago
At one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test. assuming these vehicles were rep
Leto [7]
The standard error (SE) of the sampling distribution difference between two proportions is given by:

SE=\sqrt{p(1-p)\left(\frac{1}{n_1}+\frac{1}{n_2}\right)}

where p is the pooled sample proportion, n_1<span> is the size of sample 1, and n_2<span> is the size of sample 2.

</span>p= \frac{p_1n_1+p_2n_2}{n_1+n_2}
<span>
Given that a</span><span>t one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test.

</span>p_1= \frac{13}{52} =0.25 \\  \\ p_2= \frac{11}{88} =0.125 \\  \\ n_1=52 \\  \\ n_2=88 \\  \\ p= \frac{0.25(52)+0.125(88)}{52+88}  \\  \\ = \frac{13+11}{140} = \frac{24}{140} =0.1714
<span>
</span>SE=\sqrt{0.1714(1-0.1714)\left(\frac{1}{52}+\frac{1}{88}\right)} \\  \\ = \sqrt{0.1714(0.8286)(0.0192+0.0114)}  \\  \\ = \sqrt{0.1714(0.8386)(0.0306)} = \sqrt{0.0044}  \\  \\ =0.0663<span>
</span> </span>
5 0
4 years ago
Read 2 more answers
Find the slope of this line: (15,7) (3,-2)<br><br> Help
Oliga [24]

Answer:

m=\frac{3}{4}

Step-by-step explanation:

\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(15,\:7\right),\:\left(x_2,\:y_2\right)=\left(3,\:-2\right)

m=\frac{-2-7}{3-15}

\mathrm{Refine}

m=\frac{3}{4}

5 0
3 years ago
Help please i mark brainliest !!!
Alex

Point slope form: y - y1 = m(x - x1)

y1 = y-point

m = slope

x1 = x-point

Using what we wrote above, we can solve the question.

y1 = -2

m = -2/3

x1 = 4

Therefore, the point is (4, -2) and the slope is -2/3

Best of Luck!

4 0
4 years ago
Could someone pls help me with this :)
Komok [63]
A) y = -3
B) y = x + 3
C) x = -5
D) y = -2/1x -4
7 0
3 years ago
Read 2 more answers
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