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miss Akunina [59]

4 years ago

11

Josephine was asked to make a one-fiftieth scale model of the new water tower for her town. She constructed the model that is sh

own below. What is the height of the town’s new water tower in feet? Round to the nearest whole number. 22 feet 40 feet 63 feet 113 feet

2 answers:

Ksenya-84 [330]4 years ago

8 0

Answer:

113ft

Step-by-step explanation:

Use the ratio 1:50 to calculate the height of the tower.

The scale model height is 2.25 feet, so multiply that by 50

2.25 x 50 = 112.5

Round to 113 feet

Viefleur [7K]4 years ago

7 0

Answer:

113 feet

Step-by-step explanation:

Use the ratio 1:50 to calculate the height of the tower.

The scale model height is 2.25 feet, so multiply that by 50

2.25 x 50 = 112.5

Round to 113 feet

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3 years ago

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Please help, im stuck.

Zina [86]

Answer:

4x^2 + 12x + 9

Step-by-step explanation:

(2x + 3)^2

it is in the form of (a + b)^2

(a + b)^2 = a^2 + 2*a*b + b^2

(2x + 3)^2

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3 years ago

The student body of a large university consists of 60% female students. A random sample of 8 students is selected. Refer to Exhi

jasenka [17]

Answer:

0.0499

Step-by-step explanation:

This is a binomial probability function expressed as:

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Given that n =8, and p(male)=1-0.6=0.4, the probability of at least 6 being male is calculated as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X\geq 6)=P(X=6)+P(X=7)+P(X=8)\\\\={8\choose 6}0.4^6(0.6)^{2}+{8\choose 7}0.4^7(0.6)^{1}+{8\choose 8}0.4^8(0.6)^{0}\\\\=0.0413+0.0079+0.0007\\\\=0.0499$

Hence, the probability of at least 6 males is 0.0499

8 0

3 years ago

Write -5 3/5 as a decimal number

77julia77 [94]

Answer:-5.60

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a nu

tamaranim1 [39]

Answer:

The probability that the 2nd Heads occurred at the 4th toss is 5.99%.

Step-by-step explanation:

Given that there were 4 Heads in the first 7 tosses, to find the probability that the 2nd Heads occurred at the 4th toss the following calculation must be performed:

7 - 4 = 3

4/7 x 3/7 x 3/7 x 4/7 = X

0.571 x 0.428 x 0.428 x 0.571 = X

0.0599 = X

Therefore, the probability that the 2nd Heads occurred at the 4th toss is 5.99%.

6 0

3 years ago