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Amiraneli [1.4K]
2 years ago
9

Subtract 15mn – 22m +2n from 14mn – 12m +7n.

Mathematics
2 answers:
alex41 [277]2 years ago
7 0

Answer: -1mn + 10m +5n

Step-by-step explanation:

14 - 15 = -1

-12 + 22 = 10

7 - 2 = 5

<!> Brainliest is much appreciated! <!>

zhuklara [117]2 years ago
4 0

Answer:

If it just needs to be subtracted it simplify's to -mn+10m+5n

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The number of siblings each student at a softball game has is recorded. The graph below shows the probability distribution of ha
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Answer:

(C)4 siblings

Step-by-step explanation:

Probability is the likelihood of an event occurring or not. Probability value ranges from  impossibility(0) to certainty(1). The lower the value, the less likely the event is bound to occur.

From the probability distribution table, the probability of having 4 siblings at the game is 0. This is the lowest out of all the given value in the probability distribution table. Therefore, it is the least likely event.

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2 years ago
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If y varies inversely with x and y=2 when x=8 what is K the constant of proportionality
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Y=k/x
2=k/8
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the answer is A
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2 years ago
The value of good wine increases with age. Thus, if you are a wine dealer, you have the problem of deciding whether to sell your
Katyanochek1 [597]

Answer: 64 years

Step-by-step explanation:

Let assume the dealer sold the bottle now for $P, then invested that money at 5% interest. The return would be:

R1 = P(1.05)^t,

This means that after t years, the dealer would have the total amount of:

$P×1.05^t.

If the dealer prefer to wait for t years from now to sell the bottle of wine, then he will get the return of:

R2 = $P(1 + 20).

The value of t which will make both returns equal, will be;

R1 = R2.

P×1.05^t = P(1+20)

P will cancel out

1.05^t = 21

Log both sides

Log1.05^t = Log21

tLog1.05 = Log21

t = Log21/Log1.05

t = 64 years

The best time to sell the wine is therefore 64years from now.

7 0
2 years ago
Does the function ƒ(x) = 7x + 3 represent exponential growth, decay, or neither?
bearhunter [10]

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Neither

Step-by-step explanation:

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4 0
2 years ago
Consider the trinomial 9x2 + 21x + 10. What value is placed on top of the X? What value is placed on the bottom of the X? What i
inna [77]

Answer: 1) Value is placed on top of the X =90

2) Value is placed on the bottom of the X =21

3)  Factored form will be (3x+5)(3x+2)

Step-by-step explanation:

Since we have given that

9x^2 + 21x + 10

As we know the quadratic form :

ax^2+bx+c=0

1) Value is placed on top of the X is given by

a\times c=9\times 10=90

2) Value is placed on the bottom of the X is given by

b=21

3) Factorised form:

We will use "Split the middle term":

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Hence, Factored form will be

(3x+5)(3x+2)

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2 years ago
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