Two factors of 20 add up to 9 what are they ?

Answers

Answer 1
Answer: 20 is 5*4=20 ; 5 + 4 = 9
Answer 2
Answer: 5 and 4. 5x4=20

5+4=9

5 and 4!!

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Solve for x. 3x + 3 = 12 Solve for x. /4+4=8
Show your work.

Answers

remember you can do ANYTHING to an eqyation as long as you do it to BOTH SIDES (except divide by zero)

tr to isolate the unknown by itself

 
3x+3=12
minus 3 both sides
3x+3-3=12-3
3x+0=9
3x=9
divide by 3
x=3


x/4+4=8
minus 4
x/4=4
multiply 4
x=16
3x + 3 = 12

To solve these type of equations, we need to apply the inverse operation to both sides of the equation. Next, we'd isolate the variable. 

Here's how it's done:

3x + 3 = 12
       - 3     -3

Notice, we subtracted 3 from both sides. 

3x = 9 
3x/3 = 9/3
x = 3

Now for the other:
 x/4+4=8
       - 4  -4

8 - 4 = 4

x/4 = 4
x/4 * 4/1 = 4 * 4
x = 16

We're officially done: 

1st one: x = 3
2nd one: x = 16

I need with this question please. Please help me

Answers

Answer:

idk

Step-by-step explanation:

to lazy

Logan multiplied 54,216 by a number. The product was less than 54,216. Select all the numbers that Logan could have multipliedA. 7/12
B. 4/4
C. 3
D. 1/2
E. 1 and 1/4
F. 8/4

Answers

A and D are less than 54,216.

What is the vertex for the graph below? A.(-2,0)
B.(0,2)
C.(0,2)
D.(2,0)

Answers

Answer:

Option D. (2,0)

Step-by-step explanation:

we know that

The graph show a vertical parabola open upward, the vertex represent a minimum

The vertex is the point (2,0)

the school can only seat 50 students in every bus. If the school is planning on taking 360 students on a field trip. How many busses do they need. (show work) with independent variable dependent variable constant term and coefficient

Answers

so you would do 360/50
simplified you would get 36/5 this simplifies to about 7 and 1/5

so you would need 7 and 1/5 bus or 7.2 bus
but you can't have 1/5 buss so you would need to make the 1/5 into a 1 so
7+1=8
8 busses neede
50x = 360
x is the number of buses
x = 360/50 => 36/5
x = 7.2

Independent Variable: x
Dependent Variable: 360 (or y)
Coefficient: 50 (b/c of 50x)
I don't see a constant term, sorry

Action movies make up 85% of Devon's movie collection. If he has 20 movies,how many action movies are in Devon's collection?

Answers

Method 1

We can find the number of Devon's movie collection by multiplying its percentage by the number of Action movies. That is;

Number of Devon's movie collection = (85)/(100) * 20=(85)/(5) =17

Method 2

We can also use ratio and proportion. According to the question, out of every 100 Action movies 85 are Devon's Movie collection. This means,


Action movies                                        Devon's collection                  

100                                                                         85

20                                                                             x

If 100 corresponds to 85, then 20 will correspond to a less value than 85. If less more divides,Hence,

x=(85 * 20)/(100)=17.

Therefore he has 17 movies that are in Devon's collection.

The answer is 17, because you know it’s going to be most of it, so you do 20 times .85 on your calculator, and you have your answer! :)