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MakcuM [25]
3 years ago
14

1. Over the past 10 years the high school football team has averaged 24.8 points per e standard deviation of 8.5. At the homecom

ing game, the team scored 52 find and interpret the z-score
Mathematics
1 answer:
bulgar [2K]3 years ago
6 0

Solution: We are given:

\mu=24.8,\sigma =8.5

The z-score is given below:

z=\frac{x-\mu}{\sigma}

        =\frac{52-24.8}{8.5}

        =\frac{27.2}{8.5} =3.2

Therefore, the z-score = 3.2.

The interpretation of z-score is that the team's score is 3.2 standard deviation's above the mean

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I think it’s the first one
7 0
3 years ago
3x + 5 equals 19 - 4x what does x equals to
GenaCL600 [577]

Answer:

<h3>x = 2</h3>

Step-by-step explanation:

3x + 5 = 19 - 4x     <em>subtract 5 from both sides</em>

3x = 14 - 4x      <em>add 4x to both sides</em>

7x = 14    <em>divide both sides by 7</em>

x = 2

8 0
3 years ago
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decide whether enough information is given to prove that the triangle is congruent using the SAS congruence theorem. if so, writ
Paladinen [302]

Answer:

Step-by-step explanation:

Given:

ΔCAD and ΔCBD

∠A ≅∠B (Angle)

AD ≅BD (Side)

From the graph we see that

CD≅CD (Side)

because of reflexive propriety ( a line segment is congruent with itself)

If you put in order those congruencies we have SSA witch does NOT prove congruence.

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8 0
3 years ago
Solve 7x - 2(x + 1) = 6x + 14 <br><br> A) -12 <br><br> B) 12<br><br> C) -16<br><br> D) 16
anzhelika [568]
<span>7x - 2(x + 1) = 6x + 14 
</span><span>7x - 2x - 2 = 6x + 14 
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answer
</span><span>C) -16</span>
3 0
3 years ago
Find the slope and y-intercept for the two linear functions. Linear Functions Identify the slope of the line given in the table:
Natalija [7]

ANSWER

See explanation

EXPLANATION

The table contains these two points (-4,-3) and (2,-4.5)

The slope of this line is given by;

m =  \frac{rise}{run}

m =  \frac{ - 4.5 -  - 3}{2 -  - 4}  =  \frac{ -  1.5}{6}

m =  -  \frac{1}{4}

The y-intercept can be obtained by finding the equation of the line in the form:

y = mx + c

We plug in the slope and the point (-4,-3) to find c.

This implies that,

- 3 =  -  \frac{1}{4}  \times  - 4 + c

- 3 = 1 + c

c =  - 3 - 1 =  - 4

Hence the y-intercept is -4.

The given line is

y =  \frac{3}{2} x + 1

This is already in the slope intercept form:

The slope is

m =  \frac{3}{2}

The y-intercept is c=1

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3 years ago
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