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2 years ago

What is the shaded region

Mathematics

1 answer:

salantis [7]2 years ago

3 0

The difference between the area of the entire polygon and the area of the unshaded part inside the polygon

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The ratio of the length of an airplane wing to its width is 9 to 1. If the length of a wing is 40.4 meters, how wide must it b

VARVARA [1.3K]

The ratio of length to width is 9:11 is to 9 as x is to 40.41/9 = x/40.4 x = 40.4/9 = 4.48888.. meters

4 0

3 years ago

PLEASE HELP. WILL GIVE BRAINLIEST AND 5.0 STAR RATING

Damm [24]

Answer:

42.27

Step-by-step explanation:

6.5 + 5.3 + 5.3 + 7.1 + 9.7 + 1.0 + 8.0 = 42.27

3 0

2 years ago

Amber earned $14.50 babysitting on Saturday. On Sunday, she spent $6.95 when she purchased a movie ticket. She needed to borrow

Usimov [2.4K]

Answer:

I think the answer is B. $12.55

Step-by-step explanation:

14.50 - 6.95 = 7.55

7.55 + 5 = 12.55

8 0

3 years ago

Read 2 more answers

Assume the sample variances to be continuous measurements. Find the probability that a random sample of 36 observations, from a

frez [133]

Answer:

0.02566

0.972559

Step-by-step explanation:

Given that :

Sample size (n) = 36

σ² = 6

sample variance S^2

a) greater than 9.1;

b) between 3.5 and 10.5.

The degree do freedom (df) = n - 1

S² > 9.1

P(S² > 9.1) = X² > ((n - 1) * S²) / 6

P(S² > 9.1) = ((36 - 1) * 9.1) / 6

P(S² > 9.1) = (35 * 9.1) / 6

P(S² > 9.1) = 53.083

P(X² > 53.08) = 0.02566 ( chi square distribution calculator)

b) between 3.5 and 10.5.

((36 - 1) * 3.5) / 6 ≤ S² ≤ ((36 - 1) * 10.5) / 6

20.416666 ≤ S² ≤ 61.25

Using the Chisquare distribution calculator :

P(X² > 20.42) = 0.9765

P(X² > 61.25) = 0.003941

Hence,

0.9765 - 0.003941 = 0.972559

7 0

3 years ago

What is 9y=2x for y I need help with this problem

mojhsa [17]

The first step for finding y is to divide both sides of the equation by 9.
9y ÷ 9 = 2x ÷ 9
When dividing 9 by 9 you must remember that any expression divided by itself equals 1.
y = 2x ÷ 9
Now write 2 ÷ 9 as a fraction.
y = $\frac{2}{9}$ x
This means that the answer to your question is that y = $\frac{2}{9}$ x.
Let me know if you have any further questions.
:)

5 0

3 years ago