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2 years ago

Find the EQUATION of the line through (-10,-12) and (-15,3). Use the form y=mx+b.

Mathematics

1 answer:

vovikov84 [41]2 years ago

8 0

Y=Mx+b

Y=-3x-42

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Use the discriminant to describe the roots of each equation. Then select the best description. 3x2 - 10 = 0. A) Double root B) R

Mademuasel [1]

1. discriminant = b^2 - 4ac = (-5)^2 - (4 x 1 x 7) = 25 - 28 = -3 [imaginary root]

2. discriminant = (-5)^2 - (4 x 1 x -4) = 25 - (-16) = 25 + 16 = 41 [real and irrational root]

3. discriminant = (8)^2 - (4 x 16 x 1) = 64 - 64 = 0 [double root]

Read more on Brainly.com - brainly.com/question/1698047#readmore

hope it helps

4 0

2 years ago

Read 2 more answers

The fairy tale spectacular is coming to town. Admission to the fair costs $42.50 and each ride costs $.65. You have $60 to spend

galina1969 [7]

Part A: 42.50+0.65x<60

Part B: You can enjoy maximum 26 rides at the fairy tale spectacular.

Step-by-step explanation:

Given,

Admission cost to fair = $42.50

Cost of each ride = $0.65

Amount you can spend = $60

Let,

x be the number of rides you can take.

Admission fair + Cost of each ride*number of rides < Amount you can spend

Part A: write an inequality that represents this situation.

42.50+0.65x<60

Part B: solve the inequality to determine the maximum number of rides you can enjoy at the fairy tale spectacular.

$42.50+0.65x$

Dividing both sides by 0.65

$\frac{0.65x}{0.65}$

Rounding off to nearest whole number;

x<27

Less than 27 means, you cannot take 27 rides, therefore,

You can enjoy maximum 26 rides at the fairy tale spectacular.

Keywords: inequality, division

Learn more about inequalities at:

#LearnwithBrainly

7 0

2 years ago

PLEASE HELP

Nady [450]

The frequency for rolling a 3 would be 5 out of 100

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3 years ago

How do i find the area between the two curves

viktelen [127]

A=22/10

A=integral(a,b) [f(x)-g(x)]dx

Since the function is even (the function is mirrored over the y axis) we can evaluate the integral from 0 to 1 and then multiply our answer by 2 since we have the same area on each side of the y axis.

We get A=2*int.(0, 1)[(x^2)-(-2x^4)]dx

Now we can integrate by term.

2*[int.(0, 1)[x^2]dx+int(0, 1)[2x^4]dx]

Now factor out constants.

2*[int(0,1)[x^2]dx+2int(0,1)[x^4]dx]

Now integrate.

2*[(x^3/3)|(0,1) + 2*(x^5/5)|(0,1)]

Now solve.

2*[(1/3)+2*(1/5)]

=22/10

Hope you can decipher what I wrote!

4 0

3 years ago

Help please with numbers 1-5

Marysya12 [62]

1 one is the answer

2 is the answer either

all the equations are in it's simeplest form

4 0

2 years ago

Find the EQUATION of the line through (-10,-12) and (-15,3). Use the form y=mx+b.​

Find the EQUATION of the line through (-10,-12) and (-15,3). Use the form y=mx+b.