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Mariulka [41]
2 years ago
10

Triangle TUV has sides that measure 12, 8, and 6. Triangle XYZ has sides that measure

Mathematics
1 answer:
avanturin [10]2 years ago
8 0
Maybe try A
Answer Is a
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An adolescent has a weight of 127 pounds. The doctor requires you to record the patient’s weight in kilograms. Convert 127 pound
olasank [31]

The amount of kilograms he weighs I think is 57.6062994983

6 0
3 years ago
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A gas station sells two grades of gasoline: regular and super. These are priced at $2.00 and $3.00 per gallon, respectively. Let
djyliett [7]

Answer:

(a) E(Y) = 4400

sd (Y) =225

(b)  P(Y ≤ 4500) = 0.67003

(c) P (X₁ > X₂) = 0.31744

Step-by-step explanation:

(a) Here we have

Y = 2·X₁ + 3·X₂

Therefore E(Y) = 2·E(X₁) + 3·E(X₂) = 2000 + 2400 = 4400

sd(Y) is given by

Variance Y = (sd (Y))² = 2²·(sd (X₁))² + 3²·(sd (X₂))²

= 4·8100 + 9·2025 =  50625

sd (Y) = √50625 = 225

(b) The probability that the revenue does not exceed 4500 is given by

P(Y ≤ 4500) =  P(z ≤0.444)

z = \frac{\overline{\rm x} - \mu} {\sigma /\sqrt{n} }

z = \frac{4500 - 4400} {225 /\sqrt{1} } = 0.444

Therefore from the normal distribution table, we have

P = 0.67003

(c) The probability that the P(X₁ > X₂)

Since the gas station sells 2 portions of X₁ to 3 portions of X₂

Therefore, the probability that the gas station sells more of X₁ is given by

₅C₀ × 2/5⁰×3/5⁵ = 0.07776

₅C₁ × 2/5¹×3/5⁴=  0.2592

₅C₂ × 2/5²×3/5³ = 0.3456

P (X₁ > X₂) = 1 - 0.68256 = 0.31744

6 0
3 years ago
Read 2 more answers
Y(x) = e^x+rx+sx^2 satisfies y'' − y' = 5x if r=? and s=?
motikmotik

Answer:

5

Step-by-step explanation:

3 0
3 years ago
Six times the sum of a number and 7 equals 2
pogonyaev
6(x+7)=2
6(x)=-5
X=-0.83
7 0
3 years ago
What is the mean of this data set? If necessy, round your answer to the nearest tenth. 12,16,22,23,34,44,46,47,48,64,67,73,83,88
Dmitry_Shevchenko [17]
The mean for the data set is 50.4

Rounded to the nearest 10th is 50
8 0
3 years ago
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