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Natasha2012 [34]
3 years ago
12

Write the equation of the line that passes through the given points:

Mathematics
1 answer:
Airida [17]3 years ago
4 0

Answer:

y+1=5/2(x+2)

Step-by-step explanation:

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

m=(-6-(-1))/(-4-(-2))

m=(-6+1)/(-4+2)

m=-5/-2

m=5/2

y-y1=m(x-x1)

y-(-1)=5/2(x-(-2))

y+1=5/2(x+2)

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What is the volume of the cylinder? Use 3.14 for T.
Klio2033 [76]

Answer:

251.2

Step-by-step explanation:

V=πr²h

3.14×4²×5

5 0
2 years ago
What is the area of a circle. Using 3.14 for. A circle with diameter of 8.4 ft.
ira [324]

Hey there! I'm happy to help!

First, let's find the radius. The radius is half of the diameter.

8.4/2=4.2

Here's how to find the area of a circle.

Square the radius.

4.2²=17.64

And multiply by pi (3.14 in our case)

17.64(3.14)=55.3896

We round to the nearest tenth, giving us an area of 55.4 ft²

Have a wonderful day! :D

5 0
3 years ago
OMG MY MATH TEACHER NEED THE WORK AND IDK WHAT TO DO!!!! Ok so the promblem is 0.5 divided my 38.50
soldi70 [24.7K]

its like 19.25 because thats the anwser and deal with it


3 0
3 years ago
What is the volume of the triangular prism shown below?
ivanzaharov [21]

Answer:

156 cm

Step-by-step explanation:

3 0
2 years ago
To save money, a local charity organization wants to target its mailing requests for donations to individuals who are most suppo
Naya [18.7K]

Answer:

(0.55525, 1.24475)

Step-by-step explanation:

Given that to save money, a local charity organization wants to target its mailing requests for donations to individuals who are most supportive of its cause.

                     Men    women

Sample size      5        5

Mean rate        6.2     5.3

Mean diffference = 6.2-5.3=0.9

Std error for difference = 0.25 (given)

Since we have two groups and also sample sizes are very small we can use t significant value for finding out confidence interval

df = 5+5-2 =8

t critical value for 80% two tailed = 1.397

Conf interval 80%

=(0.9-1.397*0.25, 0.9+1.397*0.25)\\= (0.55525, 1.24475)

4 0
3 years ago
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