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ZanzabumX [31]
3 years ago
15

If (x + k) is a factor of f(x), which of the following must be true?

Mathematics
2 answers:
drek231 [11]3 years ago
8 0

Answer:

B. f(-k)=0

Step-by-step explanation:

edge 2020

KIM [24]3 years ago
6 0

Answer:

<h3>f(-k)=0</h3>

Step-by-step explanation:

(x + k) is a factor of f(x)

x+k=0 => <u>x= -k;</u>    <em>-k is a root of f(x)</em>

=> f(-k)=0

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jeanine Baker makes floral arrangements. She has 13 different cut flowers and plans to use 7 of them. How many different selecti
Ksju [112]

A total of 1,716 selections of the 7 flowers are possible.

Step-by-step explanation:

Step 1:

There are 13 flowers from which Jeanine Baker plans to use 7 of them.

To determine the number of selections that are possible we use combinations.

The formula for combinations is; ^{n} C_{r}=\frac{n !}{(n-r) ! r !}.

Step 2:

In the given formula, n is the total number of options and r is the number of options to be selected.

For this question, n = 13 and r=7.

So ^{13} C_{7}=\frac{13 !}{(13-7) ! 7 !} = \frac{13 !}{(6) ! 7 !} = 1,716.

So a total of 1,716 selections are possible.

3 0
3 years ago
Please answer the question correctly with factual information for brainliest.
Phantasy [73]

Answer:

8.9

Step-by-step explanation:

1)\ S = 80 => l = \sqrt{80}

2)\ l = \sqrt{80} = 8.9

4 0
3 years ago
BRCA1 is a gene that has been linked to breast cancer. Researches at Stanford University wanted to estimate what proportion of w
Evgesh-ka [11]

Answer:

The point estimate for the proportion of women with BRCA1 mutation is 0.168

Step-by-step explanation:

The point estimate for the proportion of women with BRCA1 mutation is the number of women with this mutation divided by the size of the sample.

Of the 173, they found that 29 had BRCA1 mutations.

29/173 = 0.168

The point estimate for the proportion of women with BRCA1 mutation is 0.168

7 0
3 years ago
gas mileage is the number of miles you can drive on a gallon of gasoline a test of a new car result in 560 miles on 10 gallons o
jonny [76]

Answer:

you could drive 3600 miles on 60 gallons and 60 miles gas mileage

Step-by-step explanation:

560/10 as a fraction *6/6 as a fraction = 3600/60

7 0
3 years ago
What is 15.37×5 show work
just olya [345]
This should be quite easy to explain. So the first thing you want to do is multiply them. This isn't to hard if you know your times tables. Don't worry about the decimal till the end.

 15.37
×      5
---------
 76.85

15.37 times 5 is 76.85

Now on to the decimal. All you need to do is move it two times to the left. You see how it's in between the 5 and 3? The same goes for your answer. So it is 76.85 

I hope this helped!! ^^ I can make this a little more easier to explain if you want me to just in case, ok? 
3 0
3 years ago
Read 2 more answers
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