3 years ago

Find the value of y in the solution to the system of equations shown. 3y=18x+6 y=2x+14

Mathematics

1 answer:

ololo11 [35]3 years ago

5 0

Answer:

y=14

Step-by-step explanation:

because I solved it and got 14 ......

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(1, 3) and (-3, -5)<br> write a linear equation given the two points

Firlakuza [10]

Answer:

y = 2x + 1

Step-by-step explanation:

1. Find the slope; (change in y values)/(change in x values)

Slope = (-5 - 3)/ (-3 - 1) = -8/-4 = 2

2. Find the y-intercept (b) using the slope intercept formula: y = mx + b

m = 2 and using point (1, 3) , solve for "b"

y = mx + b

3 = 2(1) + b

3 = 2 + b

1 = b

3. Write the linear equation: y = 2x + 1

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2 years ago

Give in, interval notation, the unknown numbers in the following description. When 4 is added to twice a number, the result is g

lbvjy [14]

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3 years ago

Point I is on line segment HJ. Given HJ = 15 and IJ<br> HI.<br> 10, determine the length

melomori [17]

Answer:

Point I is on line segment HJ; which means HI and IJ are equal.

HJ = 15

IJ = 10

Finding the length of HI, given the above statements:

Length of HI = 10 (reason: HI and IJ are congruent)

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find the area of a parrellelogram whose base is of length 25 cm and the corresponding altitude is of length 8.4 cm

Free_Kalibri [48]

Answer:

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2 years ago

Determine the equation of the circle with radius 99 and center (-1,-8)(−1,−8).

kumpel [21]

<h2>Equations of Circles</h2>

Generally, you'd see the equation of a circle organized in the following format:

$(x-h)^2+(y-k)^2=r^2$

$(h,k)$ is the center
$r$ is the radius

To determine the equation given the center and the radius:

Plug both pieces of information into the general equation
Simplify

<h2>Solving the Question</h2>

We're given:

Radius: 99
Center: (-1,-8)

Plug the radius and center into the equation as r and (h,k):

$(x-(-1))^2+(y-(-8))^2=99^2\\(x+1)^2+(y+8)^2=9801$

<h2>Answer</h2>

$(x+1)^2+(y+8)^2=9801$

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3 years ago