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Ket [755]
3 years ago
11

angle a∠aangle, a and \angle b∠bangle, b are complementary angles. \angle a∠aangle, a measures 59^\circ59

Mathematics
1 answer:
Stels [109]3 years ago
5 0

Answer:

Step-by-step explanation:

Ok can u tell me how to do dis pls

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A crab crawls 7ft below sea level. Directly above the crab a bird flies 15 ft above sea level what is the distance between the c
adoni [48]
The crab crawls 7ft below (-7) and the bird flies ft above (15) so the distance between 15 and -7 is 22
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Chips Ahoy wants to perform a study to determine the number of chocolate chips in their cookies. To that end, they collected a s
Dahasolnce [82]
The formula for the confidence interval is given by

Sample mean + z*[σ/√n], and
Sample mean - z*[σ/√n]

We have:
Sample mean = 23.95
n = 40 
σ = 2.55
z* for 99% confidence = 2.58

Substitute these values into the formula, we have

23.95 + (2.58)(2.55÷√40) = 24.99
23.95 - (2.58)(2.55÷√40) = 22.91

So the lower interval is 22.91 and the highest interval is 24.99
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3 years ago
A kite is flying at a height of 60 m and is attached to a string inclined at 30° to the horizontal. What is the length of the st
Aneli [31]

Answer: 120

Step-by-step explanation:

Because it is

5 0
3 years ago
BRAINLIEST + POINTS! Help needed and explanation please!
sattari [20]

The Median is the middle value.

Arrange the numbers in order from smallest to largest:


Seattle:  23.78 , 32.46, 40.30, 45.79, 49.42, 55.14

Since there is an even number, the median is found by adding the 2 middle numbers and dividing by 2.

Median for Seattle: 40.30 + 45.79 = 86.09 / 2 = 43.045


Now do the same for Las Vegas:

2.33, 3.72, 3.84, 4.11, 5.62, 8.79

Median for Las Vegas: 3.84 + 4.11 = 7.95 / 2 = 3.975


Difference: 43.045 - 3.975 = 39.07


The answer is B.

5 0
3 years ago
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-X + 2y = 10<br> -3x+ 6y = 11
Tanzania [10]

Answer:

1. y = 1 /2X +5

Step-by-step explanation:

2. m=1/2

7 0
2 years ago
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