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anyanavicka [17]
3 years ago
6

PLEASE HELP ME FOR BRAINLIEST!!!!

Mathematics
2 answers:
saul85 [17]3 years ago
8 0

Answer:

29

Step-by-step explanation:

90+61=151, so angle B would be 29 degrees

Charra [1.4K]3 years ago
6 0

Answer:

39

hope it helps


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velikii [3]
Hello,
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a²=4²+7²-2*4*7*cos 20°=12.37721...
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7 0
3 years ago
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What is the answer for this Problem?
geniusboy [140]

Answer:

Increasing on the interval(s) -2\leq x\leq -4

Decreasing on the interval(s) -1\leq y\leq 1

Step-by-step explanation:

Anytime the graph is going upward, the function is increasing. However, anytime the graph goes down, the function is decreasing. Look at the image below for further reference. Also, when the function is increasing, the slope is positive, and when the function is decreasing the slope is negative.

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Since the values are in the middle of the interval, it automatically becomes the answer.

5 0
3 years ago
How many pensioners should be in the sample
DENIUS [597]

Answer:

12

Step-by-step explanation:

6 0
4 years ago
Can someone help me part 2
Otrada [13]

Step-by-step explanation:

y = ¼x + 2

m1 = ¼

m of line perpendicular = m2

the formula is : m1×m2 = -1

=> m2 = -1 ÷ m1

= -1 ÷ ¼ = -4

so, the equation is :

y = -4x - 7 (option A)

3 0
3 years ago
What is the domain of the function y=in(x+2) x<-2 x>-2 x<2 x> x<-2 x>-2 x<2 x>2
aev [14]

For this case we must find the domain of the following function:

y = ln (x + 2)

By definition, the domain of a function is given by all the values for which the function is defined.

In this case, the argument of the expression must be greater than 0 to be defined.

x + 2> 0\\x> -2

Thus, the domain of the function is given by all the values of x greater than -2.

Answer:

Domain: x> -2

4 0
3 years ago
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