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3 years ago

Geometry help needed :)

Mathematics

1 answer:

Blababa [14]3 years ago

5 0

Vertical angles are congruent

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Given the equation y = 4x - 3.A) If x increases by 1 unit, what is the corresponding change in y? B) If x decreases by 5 units,

DedPeter [7]

Answer:

A) y will increase by 4 unit.

B) y will decrease by 20 units

Step-by-step explanation:

Given equation that shows relation between x and y.

$y=4x-3$

A) If x is increased by 4 units

New value of y = $4(x+1)-3$

$=4x+4-3$

$=4x+1$

So, change in y = new value of y- original value of y

$=4x+1-(4x-3)$

$=4x+1-4x+3$

$=4$

Thus, the value of y will be increased by 4 units.

B) If x is decreased by 5 units

New value of y = $4(x-5)-3$

$=4x-20-3$

$=4x-23$

So, change in y = new value of y- original value of y

$=4x+1-(4x-3)$

$=4x-23-(4x-3)$

$=4x-23-4x+3$

= -20

Thus, the value of y will be decreased by 20 units.

7 0

3 years ago

The diffrence of a number m and 30 is 10

viktelen [127]

M - 30 = 10

so the number has to be 10 more than 30.

30+ 10 = m

m = 40

8 0

3 years ago

I need help this is a tangent and secant problem and I'm confused

Luda [366]

<h3>Answer: 110 degrees</h3>

======================================================

Work Shown:

x = measure of minor arc CL

angle J = ( (far arc) - (near arc) )/2

angle J = ((red arc) - (yellow arc))/2

angle J = ( (minor arc CL) - (minor arc CK) )/2

35 = ( x - 40 )/2

35*2 = x-40

70 = x-40

x-40 = 70

x = 70+40

x = 110

Minor arc CL = 110 degrees

8 0

2 years ago

Give the equation of the line through the point ( – 15, - 1) with a slope of -3/5 in slope -intercept form

shutvik [7]

Answer:

-1 = (-3/5)-15 + b

(I don't know the y-intercept bc I don't have a graphing calc but to find it out you just graph it and then see where the line passes thru the y axis)

7 0

3 years ago

The cost of performance tickets and beverages for a family of four can be modeled using the equation 4x + 12 = 48, where x

Hunter-Best [27]

For this case we give as data the following equation:

$4x + 12 = 48$

Where "x" represents the cost of a ticket.

By clearing the value of "x" of the equation we can know the cost of a ticket.

If we subtract 12 from both sides of the equation, we have:

$4x = 48-12\\4x = 36$

If we divide between 4 on both sides of the equation:

$x = \frac {36} {4}\\x = 9$

Therefore, the cost of a ticket is $ 9.00

Answer:

Option C

5 0

3 years ago