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4 years ago

2nd Semester Unit 1 Extra Credit!!! Can someone help me please?

Mathematics

1 answer:

Natali5045456 [20]4 years ago

3 0

O goes over 22, N goes over -95, an I goes over 24, T goes over 16, V goes over -796, and those are the ones im sure of

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(4x+7) (4x-7)= give the solution pleasee

harkovskaia [24]

Answer:

16x - 49

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The data shown represent the number of runs made each year during Bill Mazeroski’s career. Check for normality.

const2013 [10]

Answer:

The given data is not normal.

Step-by-step explanation:

We are given the following data:

30, 59, 69, 50, 58, 71, 55, 43, 3, 66, 52, 56, 62, 36, 13, 29, 17, 31

Condition for normality:

Mean = Mode = Median

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{800}{18} = 44.44$

Mode is the most frequent observation of the data.

Since all the value appeared once, there is no mode.

$Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}$

Sorted data: 3, 13, 17, 29, 30, 31, 36, 43, 50, 52, 55, 56, 58, 59, 62, 66, 69, 71

Median =

$=\dfrac{9^{th}+10^{th}}{2} = \dfrac{50+52}{2}=51$

Since the mean, mode and median of data are not equal, the data is not normal.

7 0

4 years ago

Please help me I'm failing and I'm so confused!!!!!!!

stiv31 [10]

Answer:

y=9

x=26

Step-by-step explanation:

5x-17+3x-11=180

8x-28=180

8x=208

x=26

5(26)-17

130-17

113

2y+5+90=113

2y+95=113

2y=18

y=9

4 0

3 years ago

Read 2 more answers

Find three consecutive even integers such that the product of the second and

Rina8888 [55]

Step-by-step explanation:

first number=x

second number=x+2

third number=x+4

(x+2)(x+4)=35

x(x+4)+2(x+4)=35

x²+4x+2x+8=35

x²+6x+8=35

x²+6x=35-8

x²+6x=33

x²+6x-33=0

using that, you can find the first number,

then use the data to find the other two.

7 0

3 years ago

Which equation is equivalent to − ( 6 − x ) = 24 ?

kondor19780726 [428]

(6-x)=24

X=-18

If you subtract a negative number with a positive number it adds them together making it positive (6- -18)=24

8 0

3 years ago