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kompoz [17]
2 years ago
10

Need to solve this !!

Mathematics
1 answer:
ValentinkaMS [17]2 years ago
6 0
We just went over this in class and it’s actually quite easy once you get your head around it!

Im not quite sure what the second one it asking but here’s an idea :)

you need them all to be on the same side so you can do
x^2 - 4x - 12 = 0
(x-6)(x+2) = 0
x = 6 or 2
(each bracket must equal 0)
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What type of plate boundary is illustrated in the image?
viktelen [127]
Haha wring subject but convergent
8 0
3 years ago
Jim has 100 cards there is a whole number from 1 to 100 on each card no cards have the same number jim puts a star on every card
laila [671]

Answer:

3,6,9,12,15,18,21,24,27,30...

7,14,21,28,...

Step-by-step explanation:

8 0
3 years ago
How many hours will a car traveling at 65 miles per hour take to catch up to a car traveling at 55 miles per hour if the slower
son4ous [18]

It will take the first car 5.5 hours to catch up to the second car.

Step-by-step explanation:

Speed of second car = 55 miles per hour

As the car has started one hour before; it has already traveled

Distance = Speed * Time

Distance = 55*1 = 55 miles

Let,

x be the number of hours.

Distance covered in x hours = 55x

S(x) = 55x+55

Speed of first car = 65 miles per hour

Distance covered in x hours = 65x

F(x) = 65x

For catching up;

F(x) = S(x)

65x=55x+55\\65x-55x=55\\10x=55

Dividing both sides by 10

\frac{10x}{10}=\frac{55}{10}\\x=5.5

It will take the first car 5.5 hours to catch up to the second car.

Keywords: speed, distance

Learn more about speed at:

  • brainly.com/question/10940255
  • brainly.com/question/10941043

#LearnwithBrainly

8 0
3 years ago
Help plz!!
gizmo_the_mogwai [7]

Answer:

my answer isn't on the list, but doing the math the median increased from 39 to 40, but the mean decreased from 49.16 to 45.57

5 0
3 years ago
Y = -5x – 40<br> Y = 5.2<br> What the answer for substitution
Luda [366]
Since y is 5.2 you can substitute it in your equations 5.2 = -5x - 40 then you do things like normal add 40 in both sides and divide -5 in both sides you get 9.04
6 0
3 years ago
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