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alina1380 [7]
3 years ago
13

I will mark best answer!!

Mathematics
1 answer:
Reika [66]3 years ago
5 0

Answer: 10

Step-by-step explanation:

8v - 4(v + 8 ) = 8

Distribute

8v - 4v - 32 = 8

Combine like terms

4v - 32 = 8

Add 32 to both sides

4v = 40

Divide by 4 on both sides

V = 10

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Part of a regression output is provided below. Some of the information has been omitted.
quester [9]

Answer:

301.189

Step-by-step explanation:

Given the table :

Source of Variation - - SS - - - df - - - MS - - - - F

Regression - - - - - -3177.17 - - -2 - - 1588.6

Residual - - - - - - - - ______ --17 - - -17.717

Total - - - - - - - - - - 3478.36 - - 19

Calculate the SSR, Sum of Square residual

The Sum of Square RESIDUAL (SSR), Mean Square Residual (MSR) and Degree of Freedom RESIDUAL (DFR) are related by the formular :

MSR = SSR / DFR

Hence,

SSR = MSR × DFR

Fr the table ;

MSR = 17.717 ; DFR = 17

SSR = (17.717 × 17)

SSR = 301.189

5 0
3 years ago
Inscribe a circle in a unit square and to r= 1000 random.
Oduvanchick [21]

Step-by-step explanation:

area of square = 1

area of a circle in square = \pi r^2 = \pi *(1/2)^2 = \frac{\pi }{4}

bu estimate  p^ = X/n = 760/1000 = 0.76Therefore, 
[tex]\frac{\pi }{4} \approx 0.76

\pi \approx 0.76*4 =3.04

b) if n tend to infinity

\pi will approach 3.14

6 0
3 years ago
7 + 79x79x= − 42 Solve this within 5 minutes !
Westkost [7]
42 rhhrhjejrjfitkkrjrjrhrt
3 0
3 years ago
8) BRAINLIEST AND 15 POINTS! PLS HELP ASAP
algol13

Answer:

a.) Between 0.5 and 3 seconds.

Step-by-step explanation:

So I just went ahead and graphed this quadratic on Desmos so you could have an idea of what this looks like. A negative quadratic, and we're trying to find when the graph's y-values are greater than 26.

If you look at the graph, you can easily see that the quadratic crosses y = 26 at x-values 0.5 and 3. And, you can see that the quadratic's graph is actually above y = 26 between these two values, 0.5 and 3.

Because we know that the quadratic's graph models the projectile's motion, we can conclude that the projectile will also be above 26 feet between 0.5 and 3 seconds.

So, the answer is a.) between 0.5 and 3 seconds.

4 0
3 years ago
Which of the following best describes the slope of the line below?
Lina20 [59]

Answer:

I think the answer is A.Negative

Step-by-step explanation:

From x=-5 to x=0 the slope is decreasing and from x=1 to x=6 it keeps decreasing.

4 0
3 years ago
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