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MrRissso [65]
3 years ago
7

Plz help me get the answer ASAP please I been stuck on these

Mathematics
2 answers:
nika2105 [10]3 years ago
6 0

\frac{1}{2}y\leq -7     Multiply 2/1 or 2 on both sides to get "y" by itself

(2)\frac{1}{2}y\leq -7(2)

y ≤ -14


tino4ka555 [31]3 years ago
4 0

Answer:

<h2>y ≤ -14</h2>

Step-by-step explanation:

\dfrac{1}{2}y\leq-7\qquad\text{multiply both sides by 2}\\\\2\!\!\!\!\diagup^1\cdot\dfrac{1}{2\!\!\!\!\diagup_1}y\leq(2)(-7)\\\\y\leq-14

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blondinia [14]

Answer:

Part A:

P(x)=15x^4+30x^3-50

Part B:

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Step-by-step explanation:

Part A:

In order to find the profit function P(x) we have to integrate the P'(x)

P'(x)=x(60x^2+90x)

P'(x)=60x^3+90x^2

\int\limits {p'(x)} \, dx =\int\limits {60x^3+90x^2} \, dx

P(x)=15x^4+30x^3+C

when x=0, C=-50

P(x)=15x^4+30x^3-50

Part B:

x=4

P(x)=15x^4+30x^3-50

P(4)=15*4^4+30*4^3-50

P(4)=$4270

Profit from selling 400 pounds is $4270

8 0
3 years ago
Regina spent $45.50 over 612 months on music downloads.
krok68 [10]

Answer:

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Melissa has more than 40 coins in her collection which inequality the nuber of coinsin melissas collection
nata0808 [166]

Answer:

X > 40

Step-by-step explanation:

Given that:

Let number of coins in her collection is more Than 40

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2 years ago
If A and B are independent events with P( A) = 0.60 and P( A| B) = 0.60, then P( B) is: a. 0.60 b. cannot be determined with the
Simora [160]

Answer:

<h2>B. cannot be determined</h2>

Step-by-step explanation:

For two events A and B to be independent, it means they can occur at the same time i.e the occurrence of one does not affect the other occurring. It is represented as P(A∩B) = P(A)P(B)

Given P( A) = 0.60 and P( A| B) = 0.60, to find P(B), we will use the formula for the conditional probability P( A| B) = P(A∩B) /P(B)

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Since  P( A| B) = 0.60, therefore P(A) is also equal to 0.60 and P(B) cannot be determined since they cancelled out already

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3 years ago
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