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3 years ago

What is the slope of the line.

Mathematics

1 answer:

Mamont248 [21]3 years ago

6 0

Answer:

The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line.

Step-by-step explanation:

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Find the difference and reduce to the lowest terms 12 4/9 - 8 5/6 =

butalik [34]

Answer: $3\frac{11}{18}$

Turn 12 4/9 into an Improper Fraction

Multiply $12*9$ and get $108$ . Now add $4$ and get $112$ .

$12\frac{4}{9} =\frac{112}{9}$

Turn 8 5/6 into an Improper Fraction

Multiply $8*6$ and get $48$ . Now add $5$ and get $53$ .

$8\frac{5}{6} =53/6$

Find Common Denominator

$9: 9,18,27,36,45\\6: 6,12,18,24,30\\\CD=18$

Your new problem: $\frac{112}{18}-\frac{53}{18}$

Subtract

$\frac{112}{18}-\frac{53}{18}=\frac{65}{18}$

Simplify

$\frac{65}{18} =3\frac{11}{18}$

6 0

3 years ago

Read 2 more answers

The average local cell phone call length was reported to be 2.27 minutes. A random sample of 20 phone calls showed an average of

Afina-wow [57]

Answer:

Yes, at α = 0.05 it can be concluded that the average differs from the population average.

Step-by-step explanation:

We are given that the average local cell phone call length was reported to be 2.27 minutes. A random sample of 20 phone calls showed an average of 2.98 minutes in length with a standard deviation of 0.98 minutes.

Let $\mu$ = population average local cell phone call length

SO, Null Hypothesis, $H_0$ : $\mu$ = 2.27 minutes {means that the average is same as that of population average}

Alternate Hypothesis, $H_a$ : $\mu$ $\neq$ 2.27 minutes {means that the average differs from the population average}

The test statistics that will be used here is One-sample t test statistics because we don't know about population standard deviation;

T.S. = $\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$ ~ $t_n_-_1$

where, $\bar X$ = sample average call length = 2.98 minutes

s = sample standard deviation = 0.98 minutes

n = sample of phone calls = 20

So, test statistics = $\frac{2.98-2.27}{\frac{0.98}{\sqrt{20} } }$ ~ $t_1_9$

= 3.24

Now, at 0.05 level of significance the t table gives critical values between -2.093 and 2.093 at 19 degree of freedom for two-tailed test. Since our test statistics does not lie within these range of critical values so we have sufficient evidence to reject our null hypothesis as test statistics will fall in the rejection region.

Therefore, we conclude that the average differs from the population average.

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4 years ago

944-6552-9711 psw zV3WZ3 bo y ss

NemiM [27]

Answer:

Uhm okay

Step-by-step explanation:

Wanna talk I’m bored :/

3 0

2 years ago

LAST ONE I NEED HELP ON PLEASE

Romashka [77]

Answer:

Step-by-step explanation:

First you find the volume of the cube which is 512. Then you find the volume of the cone which is 133.97333333 and so on. Lastly you subtract 512 by 133.973333333 (and so on) which is 378.026667. Rounded the answer would be 378.0 which is answer A.

Plz mark brainliest!!! I spent lot of time on this.

3 0

3 years ago

The rule for h(f(x))

Marat540 [252]

Answer:

h(f(x))=3x-4

Step-by-step explanation:

You combine both F(X) and H(x).

f(x)=x-7 , therefore it is f(x)=1x-7

You add 2x with 1x to get 3x

and 7-3 is -4.

h(f(x))=3x-4

7 0

3 years ago