All categories

3 years ago

Factor to solve X^2-2x-15=0

Mathematics

1 answer:

zzz [600]3 years ago

4 0

Answer:

(x+3)(x-5)

Step-by-step explanation:

find two multiples of -15 that when added together create -2

those two numbers would be -5 and +3

-5x3=-15

-5+3=-2

You might be interested in

3x^2 + 2x-4 = 0 help

igomit [66]

Answer:

I dont know

Step-by-step explanation:

how to answer that

5 0

3 years ago

Read 2 more answers

Function A is represented by the equation

Dafna1 [17]

Answer:

They have the same rate of change.

Step-by-step explanation:

Well the graph of Function B is y = 1 / 3x + 2

So they have the same rate of change, since they have the same slope.

5 0

3 years ago

The sum of 5 consecutive integers is 110

Kisachek [45]

20,21,22,23,24 add them all and you get 110

4 0

3 years ago

Read 2 more answers

solve for x in the rhombus<br> sin(42)= x/50

Hunter-Best [27]

Answer:

x = 33.45

Step-by-step explanation:

We need to find the value of x in the given expression i.e.

$\sin(42)=\dfrac{x}{50}$

Multiplying both sides by 50. So

$\sin(42)\times 50=\dfrac{x}{50}\times 50\\\\x=\sin(42)\times 50\\\\x=33.45$

So, the value of x is equal to 33.45.

6 0

2 years ago

A circle has a diameter that starts

Kipish [7]

Find the distance between those points

diameter/2=radius

distance betwen (x1,y1) and (x2,y2) is
$D= \sqrt{(x2-x1)^2+(y2-y1)^2}$

given
(3,7) and (7,3)

$D= \sqrt{(7-3)^2+(3-7)^2}$
$D= \sqrt{(4)^2+(-4)^2}$
$D= \sqrt{16+16}$
$D= \sqrt{32}$
D=4√2

diameter/2=(4√2)/2=2√2

radius is 2√2

8 0

3 years ago