Which equation to solve the problemIt takes Zane m minutes to clean his room. This is 35 minutes more that the 22 minutes it takes to walk the dog. How long does it take to clean his room?

A. m-35=22
B. m+22=35
C. 35-m=22
D. m+35=22

Answers

Answer 1

Answer: The equation labeled ' A ' will lead you to the correct value of ' m ' .

Answer 2

Answer: I think the answer is A because 35 mins more that the 22 mins it takes to walk the dog so have to be 22+35

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Factor the following expression...
x^2 - 2x - 3

Answers

Trying to factor by splitting the middle term

1.1     Factoring  x2-2x-3

The first term is,  x2  its coefficient is  1 .
The middle term is,  -2x  its coefficient is  -2 .
The last term, "the constant", is  -3

Step-1 : Multiply the coefficient of the first term by the constant   1 • -3 = -3

Step-2 : Find two factors of  -3  whose sum equals the coefficient of the middle term, which is   -2 .

-3 + 1 = -2 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -3  and  1
                     x2 - 3x + 1x - 3

Step-4 : Add up the first 2 terms, pulling out like factors :
                    x • (x-3)
              Add up the last 2 terms, pulling out common factors :
                     1 • (x-3)
Step-5 : Add up the four terms of step 4 :
                    (x+1)  •  (x-3)
             Which is the desired factorization

Final result : (x + 1) • (x - 3)

hope this helps hope i am brainliest i need it

A grocery store will only accept yellow onions that are at least 2.75 in. in diameter. A grower has a crop of onions with diameters that are normally distributed, with a mean diameter of 3.25 in. and a standard deviation of 0.25 in. What percent of the onions will be accepted by the grocery store?A. 16%
B. 2.5%
C. 97.5%
D. 34%

Answers

Answer:

C. 97.5%

Step-by-step explanation:

For identify the percent of the onions that will be accepted by the grocery, we need to standardized the minimum diameter accepted.

Standardized is to find the equivalent number of 2.75 in a normal distribution with mean 0 and standard deviation 1. This is calculate as:

$Z=(2.75-3.25)/(0.25)=-2$

Where z is the equivalent value of 2.75 in the standard normal distribution, 3.25 is the mean and 0.25 is the standard deviation.

So, 2.75 in a normal distribution with mean 3.25 and standard deviation of 0.25 is equivalent to have a -2 in standard normal distribution.

A standard normal distribution is a normal distribution with mean 0 and standard deviation 1.

Finally the percent of the onions that will be accepted by the grocery store is calculate as the probability of z to be bigger that -2 in a standard normal distribution. That is:

P(Z>-2)=0.9772

This value can be found in a table of standard normal distribution that given a z, it show you the area on the right of this number.

So, the percent of onions that are going to be accepted is approximately 97.5%

it has to be C.........

The binomial expression (x+2) (x+3) can be rewritten by using the distributive laws as x(x+3) + 2(x-3)x(x+2) - 3(x+2)
x(x+3) + 2(x+3)
x(x+3) + 2(x+3)

Answers

Answer:

my answer is x(x+3) + 2(x - 3)

Answer:

thanks for the information

Step-by-step explanation:

What does m and b stand for in y=mx+b?

Answers

B is where the line crosses the y axis

its called slope-intercept form. m is the slope where the lines cross and b is the y- coordinate of the y-intercept.

In the spinner below the large wedges are twice the size of the smaller ones. What is true about the probablilty of landing on 6 and the probability of landing on 5

Answers

Answer:

we need an image of the spinner to answer the question. are we supposed to just know what it looks like?

Step-by-step explanation:

flvs she cheating

4) A sequence is defined recursively by f(1) = 2and f(n) = 3f(n-1) + 1. Find the first three
terms of the sequence.

- How do I do this question and just Recursive Sequences in general?