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3 years ago

PLEASE HELP!

Mathematics

1 answer:

liraira [26]3 years ago

6 0

The second to last is the correct answer

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Alanna is painting a border on a wall. The border consists of kite-shaped figures as shown.

Andrews [41]

Answer:

its 864

Step-by-step explanation:

lil uzi vert is the best ;)

<h2>PLEASE MARK BRAINLIEST!!!!!!!!!!!!!</h2>

7 0

3 years ago

What is the mean of the set of numbers -11 -22 -2 and -3

Lostsunrise [7]

Answer: Mean= (-) 9.5

Explanation:

We have given that ,

The set of numbers are -11, -22, -2, -3

Since we have the numbers which are negative only so the mean will be negative as well.

∴ Mean = $\frac{\text{Sum of observations}}{\text{Total no. of observations}}$

So it becomes ,

Mean = $\frac{-11-22-2-3}{4}$

= $\frac{-38}{4}$

= (-)9.5

∴ Mean of given set of numbers = (-) 9.5

4 0

3 years ago

Read 2 more answers

A ball is thrown into the air with an upward velocity of 48 ft/s. Its height h in feet after

Paladinen [302]

Answer:

Step-by-step explanation:

The equation used to represent the height of the ball, h in feet after t seconds is expressed as

h = -16t² + 48t + 8

The equation is a quadratic equation. The plot of this equation on a graph would form a parabola whose vertex would be equal to the maximum height travelled by the ball.

The vertex of the parabola is calculated as follows,

Vertex = -b/2a

From the equation,

a = -16

b = 48

Therefore,

Vertex = - 48/2 × - 16 = 48/32 = 1.5 seconds

So the ball will attain maximum height in 1.5 seconds.

To determine the maximum height, we would substitute t = 1.5 into the given equation. It becomes

h = -16(1.5)² + 48(1.5) + 8

h = - 36 + 72 + 8 = 44 feet

5 0

3 years ago

Using π = 3.14, find the area of a circle with a radius of 4.2. Round your answer to the nearest hundredth. will give brainliest

xxMikexx [17]

Answer:

<h2>55.39 units ^2</h2>

Step-by-step explanation:

A=pi*r^2

A=3.14*4.2^2

A=3.14*17.64

A=55.3896

A≈55.39 units ^2

7 0

3 years ago

Read 2 more answers

During off hours, cars arrive at a tollbooth on the East-West toll road at an average rate of 0.5 cars per minute. The arrivals

Norma-Jean [14]

Answer:

$P(X=3) = 2.5^3 \frac{e^{-2.5}}{3!}=0.214$

Step-by-step explanation:

Definitions and concepts

The Poisson process is useful when we want to analyze the probability of ocurrence of an event in a time specified. The probability distribution for a random variable X following the Poisson distribution is given by:

$P(X=x) =\lambda^x \frac{e^{-\lambda}}{x!}$