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3 years ago

What is the solution to the inequality x2 < 16 – 6x?

Mathematics

1 answer:

Akimi4 [234]3 years ago

6 0

Answer:

−8 < x < 2 would be the answer if the equation was x^2

if the equation was x(2), the answer is x<2

Step-by-step explanation:

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What is the area of this?

professor190 [17]

9 x 20 = 180
4(2x 2) = 16

180+16 = 196
answer
area of figure = 196

7 0

3 years ago

What are the values for the coefficients and constant term of 0 = 2 + 3x2 – 5x?

luda_lava [24]

Answer:

Coefficients:

3, -5

Constant:

Step-by-step explanation:

I'm going to rewrite it:

$3x^2-5x+2=0$

Coefficients:

3, -5

Constant:

4 0

3 years ago

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Ishaan is 3 times as old as Christopher and is also 14 years older than Christopher.how old is christopher?

Sedbober [7]

i = 3c

i = c + 14

set both equations equal to each-other, we can

solve for c, we must.

3c = c + 14

subtract c from both sides, we must.

2c = 14

divide both sides by 2, we must.

c = 7

7 years old, Christopher is.

6 0

3 years ago

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What is the equation of the line parallel to 3x+2y= -4 that goes through the point (4,-1)

sertanlavr [38]

Answer:

y = (-3/2)x + 7

Step-by-step explanation:

3x + 2y = -4 (rearrange to slope intercept form y = mx + b)

2y = -3x - 4

y = (-3/2) x - 2

comparing this to the general form of a linear equation : y = mx + b

we see that slope of this line (and every line that is parallel to this line),

m = -3/2

if we sub this back in to the general form, we get:

y = (-3/2)x + b

We are still missing the value of b. To find this, we are given that the point (4,1) lies on the line. We simply substitute this back into the equation and solve for b.

1 = (-3/2)4 + b

1 = -6 + b

b = 7

substituting this back into the equation:

y = (-3/2)x + 7

6 0

3 years ago

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Part 1: Use the information provided to write the standard form equation of each circle. Please show the work.

dusya [7]

Answer:

1. (x + 2)² + (y - 9)² = 64

2. (x + 6)² + (y - 9/2)² = 100

3. (x - 15)² + (y + 10)² = 1

Step-by-step explanation:

Equation of a circle:

(x - h)² + (y - k)² = r²

1. Center: (-2, 9), Radius: 8

(x - (-2))² + (y - 9)² = 8²

(x + 2)² + (y - 9)² = 64

2. Center: (-6, 9/2), Radius: 10

(x - (-6))² + (y - (9/2))² = 10²

(x + 6)² + (y - 9/2)² = 100

3. Center: (15, -10), Radius: 1

(x - 15)² + (y - (-10))² = 1²

(x - 15)² + (y + 10)² = 1

4 0

3 years ago