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Neko [114]
2 years ago
5

Help will mark brainly

Mathematics
2 answers:
fredd [130]2 years ago
8 0

Answer:

2

Step-by-step explanation:

Mars2501 [29]2 years ago
4 0

Answer:

number 2

Step-by-step explanation:

I hoped I helped=_=

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Graph the function. For the function whose graph is shown below, which is the correct formula for the function? y = –x – 1 y = x
rusak2 [61]
You forgot to mention the graph.
So, I make the graph of both given functions and you will compare your graph with them.

First, y= -x-1  
put y=0 you get point (-1,0) called x-intercept
put x=0 you get point (0,-1) called y-intercept
join both the points, you will get the graph
Graph is attached in the picture.

Second, y= x+1
put y=0 you get point (-1,0) called x-intercept
put x=0 you get point (0,1) called y-intercept
join both the points, you will get the graph
Graph is attached in the picture.

4 0
3 years ago
Pure acid is to be added to a 10​% acid solution to obtain 21 L of a 40​% acid solution.
Mazyrski [523]

7 gallons of pure acid and 14 gallons of 10% acid

3 0
3 years ago
Which is 144 written as a power of a number
s2008m [1.1K]
12^2 What is it's square root or basically you could divide it so it's 12 to the power of 2 or 12^2
5 0
3 years ago
Describe how to use a tens fact to find the difference for 15-8=7
prisoha [69]
You can do 15-5=10 and then you have 3 left to subtract. Which means 10-3=7
8 0
3 years ago
Read 2 more answers
How many passwords of 4 digits are there(a)if none of the digits can be repeated?(b)start with 5 and end in an even digit?
liraira [26]

Answer:

5040,56

Step-by-step explanation:

We have to construct pass words of 4 digits

a) None of the digits can be repeated

We have total digits as 0 to 9.

4 digits can be selected form these 10 in 10P4 ways (since order matters in numbers)

No of passwords = 10P4

= 10(9)(8)(7)\\=5040

b) start with 5 and end in even digit

Here we restrain the choices by putting conditions

I digit is compulsorily 5 and hence only one way

Last digit can be any one of 0,2,4,6,8 hence 5 ways

Once first and last selected remaining 2 digits can be selected from remaining 8 digits in 8P2 ways (order counts here)

=56

3 0
3 years ago
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