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GrogVix [38]
3 years ago
8

How many days in january

Mathematics
2 answers:
sasho [114]3 years ago
7 0
There are 31 days in january

valentina_108 [34]3 years ago
4 0
31 days thank me if it helps
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What are the domain and range of this function y=(x+3)^2 -5
n200080 [17]

Answer: Choice A

Note: the range should be [-5, \infty). See explanation below.

===================================================

We can plug in any real number for x to get some output for y. The domain is the set of all real numbers in which we say (-\infty, \infty) which is interval notation. It represents the interval from negative infinity to positive infinity.

The range is the set of possible outputs. The smallest output possible is y = -5 which occurs at the vertex (3,-5). We can get this y value or larger. So we can describe the range as the set of y values such that y \ge -5 and that translates to the interval notation [-5, \infty).

The square bracket says "include this endpoint" while the curved parenthesis says to exclude the endpoint. Your teacher mistakenly wrote (-5, \infty) for choice A, when they should have written [-5, \infty)

I think either your teacher made a typo or somehow the formatting messed up. Either way, choice A is the closest to the answer.

8 0
3 years ago
Read 2 more answers
Answer both questions!
vodomira [7]
<span>1) What is the equation for the line?
</span>slope = 16/2 = 8

answer
equation 
y = 8x

<span>2) What is the equation of a line with a slope of ​3​ and a point (3, 1) on the line?

Express the equation in the form of y=mx+b where m is the slope and b is the y-intercept.


y - 1 = 3(x - 3)
y - 1 = 3x - 9
y = 3x - 8

answer
</span>y = 3x - 8
3 0
3 years ago
David's bedroom door is 8 feet tall and 4 feet wide. A new door would cost $8.00 per square foot. How much would a new bedroom d
Verdich [7]

Answer:

$ 256

Step-by-step explanation:

square footage of door =   8 x 4 = 32 ft^2

32 ft^2  * 8 dollar /ft^2  = $ 256

6 0
2 years ago
Find the value of 8.3 times 24.2
Nastasia [14]
8.3 times 24.2 is 200.86
3 0
3 years ago
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Kenny has $1,400 in the bank. He earns $150 every week at his afterschool job. What is the rate of change for the scenario descr
Vadim26 [7]
<span>The rate of change would be equal to the amount of money that Kenny is earning every week, since there are no expenses that are removing money from his account. In this case, it would be the $150 that he is putting into the account weekly.</span>
6 0
3 years ago
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