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Zinaida [17]
3 years ago
13

−6(x+7) pls help me.

Mathematics
2 answers:
RUDIKE [14]3 years ago
8 0
-6(x+7)

-6x-42=0
+42 +42

-6x= 42
————
-6. -6


x= -7
QveST [7]3 years ago
3 0
The answer is -6x - 42
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Please solve the following question.
mylen [45]

Answer:

103, 776

Step-by-step explanation:

There are 48 possibilities, and you are picking 3.

Now, the order does matter (aka, if the same 3 athletes won but got different places, we would still consider it to be a separate possibility)

(this is considered "without repetitions")

the number of permutations (arrangement combinations where the order does matter) without repetitions formula:

Number of permutations

without <em>repetitions </em>= nPr

= \frac{n!}{(n-r)!}

(

[the P is for combinations [where the order does matter, if the order didn't matter then it would be C, and it would be a different formula.]

n is the total number of objects.

r is the number of objects selected]

<em>(a repetition would be like two versions of the same person competing, which doesn't make sense)</em>

{the ! means factorial:

5! = 5 x 4 x 3 x 2 x 1}

{for example, if there are 5 people to give a presentation, and they can go in any order [but cannot repeat their presentation], so they all must fill 5 slots}

{for the first slot there are 5 choices, the second slot there are 4 choices...}

)

So, if we follow this formula:

\frac{n!}{(n-r)!}

n: 48

r: 3

\frac{48!}{(48-3)!}

= \frac{48!}{45!}

=\frac{48 * 47*46*45!}{45!}

(the 45! cancel out)

= 48 * 47 * 46

= 103, 776

(or, without the formula:

for the first choice (lets say of gold), there are 48 options

for the second choice (lets say silver), there are 47 options left to choose from

for the third choice (lets say bronze), there are 46 options left to choose from

)

3 0
2 years ago
Need help plz plz you will get rewarded need this answer by 3:37 only 5 mins plz plz pL is this correct
Hunter-Best [27]

Answer:

Your answers are correct!!! I just cant see the top as i told u in the details place....

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Step-by-step explanation:

5 0
2 years ago
A football team played A games last year. They lost B of those games. What was their winning percentage? 
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Winning%=100[wins/(total games)]

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So the way that your choice expressed that is:

(A-B)/A x 100
7 0
3 years ago
Determine the maximum number of zeros of the polynomial function -8x^4-x^2+2 a. 1 c. 3 b. 4 d. 2 Please select the best answer f
alexgriva [62]
Generally speaking, the number of solutions to an algebraic equation is equal to the exponent of the highest power.  so the answer is b.4


6 0
3 years ago
Which of the following is the equation of a line perpendicular to the line Y=-1/3x+1, passing through the point (2,7)?
zimovet [89]
Y= 3X + 1. Perpendicular means you would change the slope by flipping it and changing the sign. So the slope then becomes 3. Then you use your points to find the y-intercept by filling in the variables. 7=3(2) + B. 7=6 + B. Then subtract 6 from both sides. B=1. Then you just put your problem back into slope intercept form with your new slope and y-intercept. Y=3x + 1. 
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3 years ago
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