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Naily [24]
3 years ago
6

URGENT HELP PLEASE

Mathematics
1 answer:
sammy [17]3 years ago
8 0

Answer:

slope1 : 7,  slope 2 = 3     solution: (2,5)

Step-by-step explanation:

I simplify some steps

pair 1:    x1   0     2

            y1   -9     5 ........ -9, y1 intercept

pair 2:   x2   0    2

             y2  -1    5   ........ -1, y2 interept

2 pairs meet at (2,5)

y=7x-9 ......A

y=3x-1  ......B

A-B    0=4x-8

4x=8

x=2

y=5

slope 1=( y2-y1) / (x2-x1) = (5- -9)/(2-0) = 14/2 =7

slope 2 = (5 - -1) / (2 - 0) = 6/2 = 3

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Looking at the means of these samples, which value is most likely to be the mean of the population from which the samples were t
eduard

Answer:

We are given the below data:

Sample Number              Sample Mean

1                                                 11.8

2                                                 12.5

3                                                 15.1

4                                                 14.3

5                                                 13.0  

6                                                 12.9

7                                                 10.2  

8                                                 11.5

9                                                 12.9

10                                                15.4

Now the most likely mean of the population can be found by finding the mean of given sample means. It is given below:

Mean = \frac{11.8+12.5+15.1+14.3+13.0+12.9+10.2+11.5+12.9+15.4}{10}

               =12.96

Therefore, the most likely mean of the population from which the samples were taken is 12.96

7 0
3 years ago
Read 2 more answers
Look at the figure below:
quester [9]

Answer:

cos y° = b divided by 6

Step-by-step explanation:

Trigonometric ratios :

Sin \theta = \frac{Perpendicular}{Hypotenuse}

We are given that sin y° = a divided by 6

sin y^{\circ}=\frac{a}{6}

On comparing

Perpendicular = a

Hypotenuse = 6

Tan \theta= \frac{Perpendicular}{Base}

tan y°=a divided by b

On comparing

Perpendicular = a

Base = b

So, cos \theta = \frac{Base}{Hypotenuse}

Cos y^{\circ}=\frac{b}{6}

So, Option d is true

cos y° = b divided by 6

8 0
3 years ago
Read 2 more answers
2
matrenka [14]

Answer:

is 5

Step-by-step explanation:m

..

5 0
2 years ago
PLEASE HELP ME FOR EXTRA POINTS AND BRAINLIEST ANWSER
Rudiy27
The formula for the tangent would be:

Opposite/Adjacent. 

Hope this helped! c:
4 0
3 years ago
Brent bought 6 packages of Kool-Aid mix priced at for $0.29 each and 2 packages of Sugar priced at $3.92 each and a gallon of wa
sashaice [31]

Answer:

kool-aid - $1.74

Sugar - $7.84

Total =$9.58

Step-by-step explanation:

kool-aid = $ 0.29 × 6 = 1.74

×6 because she bought 6 packages of Kool-aid and the price of each was $0.29

sugar = $3.92×2 = 7.84

×2 because she bought 2 packages of sugar and price for each was $3.92

total = $9.58

Add $1.74 + $7.84

3 0
2 years ago
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