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DochEvi [55]
3 years ago
11

Use the normal distribution of IQ​ scores, which has a mean of 110 and a standard deviation of 18 ​, and the following table wit

h the standard scores and percentiles for a normal distribution to find the indicated quantity.
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

110

Step-by-step explanation:

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Find the midpoint of the segment with the following endpoints. (10, 7) and (5, 4)
KatRina [158]

Answer:

\frac{15}{2} , \frac{11}{2}

Step-by-step explanation:-

To find the midpoint, the equation we use is:-

\frac{x1 +x2}{2} , \frac{y1 + y2}{2}

x1 = 10

x2 = 5

y1 = 7

y2 = 4

Substituting the values in the equation, we get:-

\frac{10+5}{2} , \frac{7+4}{2}

Coordinates of the midpoint---> \frac{15}{2} , \frac{11}{2}

8 0
3 years ago
What is the value of the following(Please show work)
Art [367]

Answer:

1) 3( 2) - 1 = 6 - 1 = 5

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3 0
3 years ago
Please help. Don’t understand this math problem!!!
Fittoniya [83]

Answer:

1). Option (C)

2). Option (A). degree of 3 = 0

Step-by-step explanation:

A polynomial having one term is called 'Monomial' in algebraic terms.

3 is a number that is a polynomial with a single term.

Therefore, the given expression is a polynomial.

Hence Option (C) is the answer.

3 can be written as 3x⁰ (Since x⁰ = 1)

Therefore, degree of the polynomial is 0.

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6 0
3 years ago
A 152 cm tall barrel has a circumference of 56.52.
kirill [66]

Answer:

V = 38659.68 cm^3

Step-by-step explanation:

If we pretend A barrel is a cylinder we use V=πr^2h for the volume.  We know h, but we need to find r

The question tells us the circumference, well how do we find circumference? C = 2πr, so we can use this to find r.

C = 2πr

56.52 = 2 * 3.14 * r Here divide both sides by 2*3.14

56.52/(2*3.14) = r

9 cm = r

Now we can just plug into the volume.

V=πr^2h

V = 3.14 * 9^2 * 152

V = 38659.68 cm^3

I feel I should mention this is all true if the circumference is in centimeters, since the question didn't specify.  

6 0
3 years ago
Sofia bought $38 worth of video games. She had a coupon that allowed her to save 8% on her purchases.
Alik [6]

Answer:34.96 (answer to what is her purchase price before tax)

Step-by-step explanation:38*(1-.08)

6 0
2 years ago
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