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Radda [10]
4 years ago
12

Distribute and combine -5(3×+7)-4(×-4)+11​

Mathematics
1 answer:
Elza [17]4 years ago
3 0
-15x-35-4x+16+11
-19x-35+27
-19x-8
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The value of new cars at a local dealership is normally distributed with a mean of $34,600 and a standard deviation of $3,000. W
Vinvika [58]

Answer:

The percentage that a new car is expected to have a sticker price of between $31,600 and $40,600 is 81.86%.

Step-by-step explanation:

The random variable <em>X</em> is defined as the value of new cars at a local dealership.

The mean of the random variable <em>X</em> is, <em>μ</em> = $34,600 and the standard deviation is, <em>σ</em> = $3,000.

The random variable <em>X</em> is normally distributed.

Compute the probability that a new car is expected to have a sticker price of between $31,600 and $40,600 as follows:

P(31600

The percentage is, 0.8186 × 100 = 81.86%.

Thus, the percentage that a new car is expected to have a sticker price of between $31,600 and $40,600 is 81.86%.

7 0
3 years ago
Verify the identity: (a^2+b^2)(x^2+y^2)=(ax-by)^2+(bx+ay)^2
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(a²+b²)x²+(a²+b²)y²
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4 years ago
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Trava [24]

Step-by-step explanation:

Qual resultado Mauro incomtrou

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3 years ago
Indicate below whether the equation in the box is true or false 1/6 = to 6/12​
Vitek1552 [10]

Answer: 1/6 is not equal to 6/12 because 6/12 is 1/2 and 1/6 is less

Step-by-step explanation:

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A midsegment of a triangle is a segment that connects the midpoints of two sides of a triangle

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