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aivan3 [116]
3 years ago
9

What is the median of this data set?

Mathematics
2 answers:
lora16 [44]3 years ago
7 0

Answer:

Step-by-step explanation:

o-na [289]3 years ago
6 0

Answer:

4

Step-by-step explanation:

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Find the zeros of the function: f(x) = x^2 - 4x - 21
IrinaK [193]

Answer:

x = 7, x = -3

Step-by-step explanation:

We can find the zeros by factoring the equation using the zero product property.

x^2-4x-21 = 0

(x-7)(x+3) = 0

<u>x-7 = 0</u>

x = 7

<u>x+3 = 0</u>

x = -3

Zeros are x=7 and x= -3.

5 0
3 years ago
Consider this expression
Sloan [31]

Answer:

\displaystyle \large{(x + 9)(x - 8)}

The value of a is 9 and b is -8

Step-by-step explanation:

\displaystyle  \large{(x + a)(x  + b) =  {x}^{2}  + (a + b)x + ab}

We need to find two numbers that add up or subtract off to 1.

Then we also use the same two numbers that multiply and get -72.

Let's see:-

  • 9 and -8 seem like correct values.

Because 9+(-8) is 9-8 = 1

And 9(-8) is -72.

Therefore:

\displaystyle \large{ {x}^{2}  + x - 72 = (x + 9)(x - 8)}

The value of a is 9 and the value of b is -8 according to form of (x+a)(x+b)

8 0
2 years ago
Read 2 more answers
HELPPPPPPPPPPPPPPPPPPPP
Gnesinka [82]
A.
the y intercept is where x=0
x represents the number of months
when the number of months is 0, that is the initial number of games won

that looks to be a little below y=2, so maybe y=1.8?
the y intercept is y≈1.8
it represents the number of games won with 0 months of practice



B.
we can use y=mx+b
m=slope
b=y intercept
we know the y intercept
find the slope
slope=rise/run
the I'm going from x=0 to x=10
the rise is about 18.95 (from 1.8 to 20.75)
the run is 10
so slope would be 18.95/10=1.895

the equation would be y=1.895x+1.8
the points were (0,1.8) and (10,20.75)
6 0
3 years ago
Help please!!!! Will mark b for right answer
Ronch [10]

Answer:

35

Step-by-step explanation:

2x+1=71

71-1=70

70÷2=35

therefore x must be 35

5 0
2 years ago
Read 2 more answers
If your dog eats 7/8 lb of food in 4 meals,how many meals will take your dog to eat 1 lb of food
Naddik [55]
I would say 5 meals. 7/8 =.875. .875/4=.218. .218+.875=1.09 so the dog would eat 1.09 lb ofdog foodafter 5 meals
8 0
3 years ago
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