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pentagon [3]
2 years ago
8

What is the value of Y when x=3 if the equation of the regression line is y=3.8X+ 23.1

Mathematics
1 answer:
Anna [14]2 years ago
4 0

Answer:

y = 34.5

Step-by-step explanation:

<u>Step 1:  Set x to 3</u>

<u />y = 3.8x + 23.1

y = 3.8(3) + 23.1

y = 11.4 + 23.1

y = 34.5

Answer:  y = 34.5

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Find the diameter of a circle with a circumference of 15.17 yards
Aleksandr-060686 [28]

Answer:

4.83

Step-by-step explanation:

To find the circumference of a circle you need to take the diameter times Pi. So if you need to find the diameter from the circumference, simply divide the circumference by 3.14 which is Pi

Hope this helps!

7 0
3 years ago
1.
Reil [10]

Answer:

150

Step-by-step explanation:

The sum of the angles of a quadrilateral are 360.  Let x be the unknown angle

30+70+110+x = 360

Combine like terms

210 +x = 360

Subtract 210 from each side

210+x-210 = 360-210

x = 150

6 0
2 years ago
Read 2 more answers
An obtuse triangle with area 12 has two sides of lengths 4 and 10. Find the length of the third side. (There are two answers.) (
mart [117]
This question can be solved using the Herons equation where 
A = SQRT [s*(s-a)*(s-b)*(s-c)]

A = area of the triangle
a, b and c are the sides of the triangle

s = (a+b+c)/2

Since we are given the area, we can express "s" as a function of the third side c. This can be substituted in the original equation so as to obtain an expression to solve for the third side c

s = (4+10+c)/2 = (14+c)/2

using the solver function of the calculator or MS Excel, the third side is 7.21 units
3 0
3 years ago
They will build another fence that is 48 feet long. The posts can be a minimum of 5 feet apart and a maximum of 9 feet apart. Th
lozanna [386]
6 posts at 8 feet apart because 8 goes into 48 equally and you get 6. 48/8=6

Hope this helps!
4 0
3 years ago
Amount Financed (m) = $1,860 Number of Payments per year (y) = 12 Number of Payments (n) = 36 Total Interest (c) = $350.00
Luda [366]
Hi there
The formula to find I (ARP)

I=(2yc)/(m×(1+n)
I=(2×12×350)÷(1,860×(1+36))
I=0.1221×100
I=12.21%

Good luck!
8 0
2 years ago
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