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IrinaK [193]
3 years ago
13

12 is 80% of what number?

Mathematics
2 answers:
anzhelika [568]3 years ago
8 0
15


Mark me brainliest! Hope it helps!!! :)
Nata [24]3 years ago
5 0

Answer:

15

Step-by-step explanation:

x • 4/5 = 12

Multiply both sides by 5/4 to cancel out the 4/5

12 • 5/4 = 60/4

60/4 = 15

x = 15

Plug in 15 for x to make sure it works.

15 • 4/5 = 60/5

60/5 = 12✓

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875

Step-by-step explanation:

20x5=100

10x30=300

15x30=450

5x5x2=50/2

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What is 2.664 rounded to the nearest whole number?
irakobra [83]

Answer:

3

Step-by-step explanation:

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2 years ago
Jayden and Sheridan both tried to find the missing side of the right triangle. Jayden's Work Sheridan's Work a2 + b2 = c2 a2 + b
Svetlanka [38]

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3 years ago
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Please answer quickly I will give brainliest- Kelsey has a list of possible functions. Pick one of the g(x) functions below and
Marizza181 [45]

Answer:

1. Behavior

The g(x) is large and positive when x is large and positive;

The g(x) is large and negative when x is large and negative.

2. y-intercept= -18

3. The zeros are: -3, -2 and 3

Step-by-step explanation:

1. End behavior:

To find this you have to know the leading coefficient of the variable with the highest degree, and whether the degree is even or odd.  

(x + 3) = x positive, coefficient 1

(x + 2) = x positive, coefficient 1

(x − 3)=  x positive, coefficient 1

The coefficient is 1*1*1= 1 = positive

There are 3 x, so it will be x^3= odd

The behavior for odd and positive will be:

g(x) is + ∞ when x=>+∞

g(x) is -∞ when x=>-∞

or

The g(x) is large and positive when x is large and positive;

The g(x) is large and negative when x is large and negative.

2. Y-intercept

The y-intercept is the value of y when the graph touches the y-axis. The y-axis is located at x=0, so to find the y-intercept you need to put x=0 on the graph function. Some graphs can have two y-intercepts but the graph on the question only has one. The calculation will be:

y-intercept = g(0)= (0+3)(0+2)(0-3)

y-intercept = 3*2*-3

y-intercept= -18

3. Zeros

The zeros mean the value of x that will result as g(x) as zero. At this coordinate, the graph will touch the x-axis since g(0) is located on the x-axis. That is why this coordinate also called an x-intercept. The function is expressed as the product of three things. If any of them is 0, then the result will be 0. So we have 3 zeros

x_{1}+3=0

x_{1}=-3

x_{2} +2=0

x_{2}=-2

x_{3}-3=0

x_{3}=3

The zeros are: -3, -2 and 3

8 0
3 years ago
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