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2 years ago

Write the equation of the line that passes through the given points. (0.5) and (3.9)

Mathematics

1 answer:

Romashka [77]2 years ago

4 0

Answer:

y=4/3x+5

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(9-5)/(3-0)

m=4/3

y-y1=m(x-x1)

y-5=4/3(x-0)

y=4/3(x)+5

y=4/3x+5

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Simplify y 2 + 4y - 16y + 3y 2.

algol13

First, add or subtract all variables
y2 + 4y - 16y + 3y = -7y
-7y + 2 is your answer

5 0

3 years ago

Read 2 more answers

Write the number in 2 other forms (fraction , decimal or percent). Write the fractions in simplest form. #1 19/20 #2 9/16 Help p

ad-work [718]

19/20 in simplest form is 0.95
9/16 in simplest form is 0.5625

7 0

2 years ago

The first eight quizzes in this class had average scores of 8,9,9,8,8,9,8,7. This gives a sample mean of 8.25 and a sample stand

alexira [117]

Answer:

Test statistic

$t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }$

t = 1.076

Step-by-step explanation:

Step(i):-

Given Mean of the Population (μ) = 8.0

Mean of the sample (x⁻) = 8.25

Given data

8,9,9,8,8,9,8,7

Given sample size n= 8

Given sample standard deviation(S) = 0.661

Step(ii):-

Null hypothesis : H: (μ) = 8.0

Alternative Hypothesis :H:(μ) > 8.0

Degrees of freedom = n-1 = 8-1=7

Test statistic

$t = \frac{x^{-} -mean}{\frac{S}{\sqrt{n} } }$

$t = \frac{8.25 -8.0}{\frac{0.661}{\sqrt{8} } }$

t = 1.076

Critical value

t₍₇,₀.₀₅₎ = 2.3646

The calculated value t = 1.076 < 2.3646 at 0.05 level of significance

Null hypothesis is accepted

Test the hypothesis that the true mean quiz score is 8.0 against the alternative that it is not greater than 8.0

3 0

2 years ago

Help me please please

Studentka2010 [4]

Answer:

It's going to be B and E because it's in the hundreds place not in the tens or whole

6 0

2 years ago

An aircraft flew 5 hours with the wind. The return trip took 6 hours against the wind. If the speed of the plane in still air is

Yakvenalex [24]

Answer:

Speed of wind = 23.63 miles per hour

Plane speed in still air = 260 miles per hour

Step-by-step explanation:

Given:

Time taken with wind = 5 hour

Time taken against wind = 6 hour

Assume;

Speed of wind = s

So,

Speed of Plane with wind = (260 + s) miles per hour

Speed of Plane against wind = (260 - s) miles per hour

Distance = speed x time

So,

(260 + s)5 = (260 - s)6

1,300 + 5s = 1,560 - 6s

11s = 260

s = 23.63 miles per hour

Speed of wind = 23.63 miles per hour

Plane speed in still air = 260 miles per hour

5 0

2 years ago