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3 years ago

A town built a scale model of the ancient construction of Stonehenge based on the original construction

Mathematics

1 answer:

polet [3.4K]3 years ago

6 0

Answer:

27.22 m

Step-by-step explanation:

The scale factor is:

9/5= 1.8

Height of the model according to scale factor:

49/1.8 = 27.22 m

You might be interested in

Solve x2-x-5/2 = 0 using the quadratic formula. the answer choices are in the picture

allsm [11]

Answer:

Exact Form: x =( 1 ± √ 11) /2

It's the first one.

Step-by-step explanation:

Solve the equation for x by finding a , b , and c of the quadratic then applying the quadratic formula.

7 0

3 years ago

Jimmy purchased a package of jelly beans that contained 75 jellybeans. Out of the 75 jellybeans, 8 are pink, 17 are orange, 22 a

Luba_88 [7]

Find completion to question in comment section.

Answer:

D. One of the jellybeans that slipped out was orange and one was black

Step-by-step explanation:

We calculate the option with the highest probability of occurrence :

Total number of jellybean = 75

n(T) =75

n(Pink) = 8

n(red) = 22

n(Orange) = 17

n(green) = 8

n(white) = 6

n(black) = 4

We assume that the jelly beans must have slipped out one after the other.

Evaluating the options :

A.)

P(pink) and P(white)

8/75 * 6/74 = 0.0086486

B.)

P(green) and P(green)

8/75 * 7/74 = 0.0100900

C.)

P(white) and P(white)

6/75 * 5/74 = 0.0054054

D.)

P(orange) and P(black)

17/75 * 4/74 = 0.0122522

From the probability values obtained, the highest is D. Hence, the most likely to have occurred is One of the jellybeans that slipped out was orange and one was black

5 0

3 years ago

Jericho and michale went to a football gsme with friends. Jericho bought 3 slices if pizza and 2 drinks for $16.50. Michael boug

Pachacha [2.7K]

Answer:

my answer is $42.05

7 0

3 years ago

Identify the x- and y-intercepts for x = 3.

Stolb23 [73]

Answer:

D: x-int : (3, 0); y-int : None

Step-by-step explanation:

The concept is:

The x-intercept is any point on the graph where the value of y is equal to 0.
And, y-intercept is any point, where the value of x is equal to 0.
Now, For the equation, x = 3, the x-intercept = 3 and the y - intercept = 0
The graph of x = 3 is attached.

Hence, the correct answer is D: x-int : (3, 0); y-int : None

5 0

3 years ago

Seas and Colleen are raking leaves in their yard. Working together they can clear the yard of leaves in 24 minutes. What kind of

Alex17521 [72]

Answer:

Colleen alone to clear the yard of leaves in 40 minutes

Step-by-step explanation:

P.S - The exact question is -

Given - Seas and Colleen are raking leaves in their yard. Working together they can clear the yard of leaves in 24 minutes. What kind of long it would take Sean 20 minutes longer to clear the yard dinner with Colleen working alone

To find - When c is the number of minutes it would take Colleen to finish the job when working alone, the situation is modeled by this rational equation: How long would it take Colleen alone to clear the yard of leaves?

Proof -

Given that the equation is -

$\frac{1}{c} + \frac{1}{c+20} = \frac{1}{24} \\\frac{c + 20 + c}{c(c+20)} = \frac{1}{24}\\\frac{2c + 20}{c^{2} +20c} = \frac{1}{24}\\24(2c + 20) = c^{2} +20c\\48c + 480 = c^{2} +20c\\28c + 480 = c^{2}\\c^{2} - 28c - 480 = 0\\c^{2} - 40c + 12c - 480 = 0\\c(c - 40) + 12(c - 40) = 0\\(c+12)(c-40) = 0\\c = -12, 40$

As time can not be negative

So,

we get

c = 40 minutes

∴ we get

Colleen alone to clear the yard of leaves in 40 minutes

6 0

3 years ago