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GREYUIT [131]
2 years ago
11

Brainliest for whoever gets this right

Mathematics
1 answer:
meriva2 years ago
7 0

Answer

14 degrees

Step-by-step explanation:

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can someone help me pls?
riadik2000 [5.3K]

Answer:

<h2> decreasing:   (-2, -1)∪(-1, 0) </h2>

Step-by-step explanation:

From  x = -2 to x = 0 function is decreasing, but for x= -1 function doesn't exist, so we need to exclude x = -1 from (-2, 0)

8 0
3 years ago
A language arts test is worth 100 points. There is a total of 26 questions. There are spelling word questions thatare worth 2 po
Ostrovityanka [42]

Answer:

Spelling word questions = 10

vocabulary word questions = 16

Step-by-step explanation:

Let

Spelling word questions = x

vocabulary word questions = y

Total points = 100

Total questions = 26

x + y = 26 (1)

2x + 5y = 100 (2)

From (1)

x = 26 - y

Substitute x = 26 - y into

2x + 5y = 100

2(26 - y) + 5y = 100

52 - 2y + 5y = 100

- 2y + 5y = 100 - 52

3y = 48

y = 48 / 3

= 16

y = 16

Substitute y = 16 into

x + y = 26

x + 16 = 26

x = 26 - 16

= 10

x = 10

Spelling word questions = 10

vocabulary word questions = 16

7 0
2 years ago
Bakery shop offers a special price on the pastries on Monday and Sunday each donut cost the same and each cookie cost of saying
Effectus [21]
You have to estimate so it’s about 6 dollars for each cupcake (thank me later
3 0
2 years ago
An angle measures <br> 49°<br> . What is the measure of its complement?
Viktor [21]
Well if t's a right angle then the answer would be 41° but if it's an obtuse angle the it could vary from 91°-179°. For a straight angle, the answer would be 51° and for an acute angle; it could vary from 1°-89° I hope this helped ^^
4 0
3 years ago
The number of violent crimes committed in a day possesses a distribution with a mean of 2.3 crimes per day and a standard deviat
marusya05 [52]

Answer:

B) approximately normal with mean 2.3 and standard deviation 2

Step-by-step explanation:

Given the following :

Mean crimes per day = 2.3

Standard deviation = 2

Number of samples = 100

Sampling distribution of the mean:

According to the central limit theorem:

Sample mean = population mean

2.3 = 2.3

The standard deviation of the sample (s) : ratio of the population standard deviation and square root of the sample size.

s = population standard deviation / √sample size

s = 2 / √100

s = 2 / 10

s = 0.2

The central limit theorem also posits that once ths sample size is large enough, the sampling of the sample mean will be approximately normal.

Hence, the distribution is approximately normal, with mean of 2.3 and standard deviation of 0.2

7 0
3 years ago
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