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belka [17]
3 years ago
10

Help me please. I need it bad

Mathematics
2 answers:
Bess [88]3 years ago
7 0
Whenever it says g(#) you just substitute whatever is in there for x. So 2(2)^2-2(2)= 8-4=4. so x=4
Zigmanuir [339]3 years ago
3 0
Since g(2) has an x value of 2, plug in 2 for x. Do 2(2)squared-2(2). That would be 4
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Y =  7x +  3 <br> what is the X and Y intercepts
Neko [114]
To find the x intercept,plug a zero in for y and solve.
To find the y intercept,plug a zero in for x and solve.
y = 7x + 3
g = 7(0)+3
y = 3
(0,3)

y = 7x + 3
0 = 7x + 3
Subtract 3 from both sides.
-3 = 7x
Divide both sides by 7
-3/7 = x
(-3/7, 0)
3 0
3 years ago
Write an equation in slope - intercept form for the line that satisfies each set of conditions
ivanzaharov [21]

Answer:

see explanation

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

(1)

Rearrange 3x + 2y = 1 into this form by subtracting 3x from both sides

2y = - 3x + 1 ( divide all terms by 2 )

y = - \frac{3}{2} x + \frac{1}{2} ← in slope- intercept form

with slope m = - \frac{3}{2}

Parallel lines have equal slopes, thus

y = - \frac{3}{2} x + c ← is the partial equation

To find c substitute (- 6, 15) into the partial equation

15 = 9 + c ⇒ c = 15 - 9 = 6

y = - \frac{3}{2} x + 6 ← equation of line

(2)

Rearrange x + 2y = 8 into slope- intercept form by subtracting x from both sides

2y = - x + 8 ( divide all terms by 2 )

y = - \frac{1}{2} x + 4 ← in slope- intercept form

with slope m = - \frac{1}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{1}{2} } = 2, thus

y = 2x + c ← is the partial equation

To find c substitute (5, - 2) into the partial equation

- 2 = 10 + c ⇒ c = - 2 - 10 = - 12

y = 2x - 12 ← equation of line

3 0
3 years ago
Read 2 more answers
Please help me with this question ☝️☝️
SVETLANKA909090 [29]

Answer:

\frac{-4}{5}

Step-by-step explanation:

\frac{-4}{15}* 3 = -4/5

3 0
3 years ago
QUESTION 8 Write an inequality to represent the real-world problem. Then explain how you created the inequality. You have caviti
Marizza181 [45]

Answer:

I can give you alittle head start. I hope it kinda helps.

Step-by-step explanation:

Dentist A: 50 + 20x

Dentist B: 70 + 5x

It cost 20 more dollars for the visit and 15 dollars less for each cavaty at Dentist B.

6 0
3 years ago
I give Brainliest!
Alecsey [184]

Answer: Equilateral triangles are also right triangles sometimes. All angles of an equilateral are congruet sometimes.

3 0
3 years ago
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