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loris [4]
3 years ago
9

Jim is building a model airplane.the scale is 1 in 40 ft the actual wingspan of the plane is 211 feet.how long will wings of the

model be
Mathematics
1 answer:
nataly862011 [7]3 years ago
4 0

Allstate your in good hands

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BRAINLIESTT ASAP! PLEASE HELP ME :)<br> thanks!
AVprozaik [17]

ΔACD and ΔASR are the same so we can write a ratio:

x/4 = 10/5

x/4 = 2

x/4 * 4 = 2 * 4

x = 8

Since AS is equal to x, they are both the same.

Therefore, the answer is [ x = 8, AS = 8 ]

Best of Luck!

6 0
3 years ago
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How many x-intercepts does this function have? The two next to the 5 is for squaring. r(x)=(x−5)2−1
Mamont248 [21]

Answer:

The Answer is 1 X-intercept, it intercepts at (24,0)

Step-by-step explanation:

6 0
3 years ago
The equation 24x2+25x−47 ax−2 =−8x−3− 53 ax−2 is true for all values of x≠ 2 a , where a is a constant. What is the value of a?
Snowcat [4.5K]

The correct answer is B) -3

I am 100% positive

7 0
3 years ago
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20 is what percent of 25 ?
Musya8 [376]

Answer: 80%

Step-by-step explanation:

5 0
3 years ago
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Using the z table, find the critical value for a=0.024 in a left tailed test
natita [175]

Answer:

Critical value is -1.98.

Step-by-step explanation:

Given:

The value of alpha is, \alpha=0.024

Now, in order to find the critical value, we need to subtract alpha from 1 and then look at the z-score table to find the respective 'z' value for the above result.

The probability of critical value is given as:

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Now, in a left tailed test, we multiply the z value by negative 1 to arrive at the final answer. We do so because the area to the left of mean in a normal distribution curve is negative.

So, the z-score for critical value 0.024 in a left tailed test is -1.98.

7 0
3 years ago
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