Use the equation to answer the following question.

Mathematics

2 answers:

charle [14.2K]3 years ago

8 0

The answer is D I hope it helps

frutty [35]3 years ago

7 0

Answer:

Step-by-step explanation:

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If an equation has two roots -4 and 7, what could be the quadratic equation?

aleksklad [387]

Answer:

f(x) = x^2 - 3x - 28

Step-by-step explanation:

The root -4 corresponds to the factor (x + 4); the root 7 corresponds to (x - 7). The equation is thus f(x) = (x + 4)(x - 7) = x^2 - 3x - 28, or

f(x) = x^2 - 3x - 28

8 0

3 years ago

HELP ASAP!!!!!!!!!!!!!!!!

Contact [7]

The correct answer is: Option (A) $\frac{v-z}{w-x}$ 

Explanation:
If both lines are parallel, then their slopes must be equal.

For the line PQ, the slope is:
Slope of PQ = $\frac{v-z}{w-x}$ --- (1)

For the line P'Q', the slope is:
Slope of P'Q' = $\frac{v+b-z-b}{w+a-x-a}$
Slope of P'Q' = $\frac{v-z}{w-x}$ --- (2)

As (1) = (2), hence the lines are parallel and their slope is $\frac{v-z}{w-x}$ (Option A).

4 0

4 years ago

Read 2 more answers

To complete

natulia [17]

To figure this question out, we first need to figure out how much one pound of potatoes costs. To do this, we need to divide 18 by 8, and in this, we get $2.25. Then, we have to multiply this by 15 to find out how much 15 pounds of potatoes costs. This gives us $33.75, which is our answer to this question.

3 0

4 years ago

Find the area of an inscribed 100-gon if the radius of the circle is 1 unit.

nexus9112 [7]

A polygon inscribed in a circle, luckily, has a derived formula already. It is:

A = (nr²/2)[sin (360/n)]

where n is the number of sides of the polygon and r is the radius of the circle. For this problem, n = 100 and r = 1. Substituting this to the equation,

A = (100(1)²/2)[sin (360/100)]
A = 3.14 square units

Thus, the 100-gon has an area of 3.14 square units.

3 0

3 years ago

For what angles O between 0 and 360° is cos 0) = sin 0 true?

Westkost [7]

Answer:

Step-by-step explanation:

cos θ=sinθ

divide by cos θ

1=tan θ

tan θ=1=tan 45,tan (180+45)

θ=45°,225°

6 0

3 years ago