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Evgesh-ka [11]
3 years ago
5

Did I do this question right it’s slope I need help checking it

Mathematics
2 answers:
Sati [7]3 years ago
6 0

Answer:

It should be "The unit rate is 2/3 every 1 hour" everything else is correct.

Step-by-step explanation:

Tamiku [17]3 years ago
4 0

Answer:

It should be "The unit rate is 2/3 every 1 hour" everything else is correct.

Step-by-step explanation:

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A store carries four brands of DVD​ players, J,​ G, P and S. From past​ records, the manager found that the relative frequency o
mr_godi [17]

Answer:

The answer is below

Step-by-step explanation:

A store carries four brands of DVD​ players, J,​ G, P and S. From past​ records, the manager found that the relative frequency of brand choice among customers varied. Using the given probability values for each of the four​ brands, find the probability that a random customer will choose brand J or brand P.

P(J)=0.22​, ​P(G)=0.18​, ​P(P)=0.35​, ​P(S)=0.25

Answer: Probability is the ration of possible outcomes to the total number of possible outcomes. The probability of mutually exclusive events i.e. events that cannot occur at the same time is the sum of their individual probabilities. If two events A and B are mutually exclusive events, then:

P(A or B) = P(A) + P(B)

Given that P(J)=0.22​, ​P(G)=0.18​, ​P(P)=0.35​, ​P(S)=0.25, the probability that a random customer will choose brand J or brand P is given by:

P(J or P) = P(J) + P(P) = 0.22 + 0.35 = 0.57

4 0
3 years ago
Help please!!!!!!!!!!
adell [148]

Answer:

1/2?

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The difference of the square of a number and 4 is equal to 3 times that number. Find the negative solution.
leonid [27]

The negative solution is x = –1.

Solution:

Let the number be x.

Square of a number = x²

3 times a number = 3x

Difference of square of a number and 4 = 3 times that number

\Rightarrow x^2-4=3x

Subtract 3x from both sides of the equation, we get

\Rightarrow x^2-3x-4=0

–3x can be written as x – 4x.

\Rightarrow x^2+x-4x-4=0

\Rightarrow( x^2+x)+(-4x-4)=0

1st bracket have common term x and bracket have –4 common term.

\Rightarrow x( x+1)-4(x+1)=0

Take common term x + 1 outside.

(x+1)(x-4)=0

<em>By zero factor principle, if AB = 0 then A = 0 or B = 0.</em>

x + 1 = 0,   x – 4 = 0

x = –1,   x = 4

The negative solution is x = –1.

7 0
3 years ago
Find the value of B in the following equation if you know it goes through the point (-5, -8):
MA_775_DIABLO [31]
86? I'm not sure, sorry.

I plugged in the x and y values of the point given
5 0
3 years ago
Lucy and Ricky buy a home. They plan to make a down payment and carry an $82,500 mortgage. Closing costs are $2,000 and are adde
Anon25 [30]
The awnser is b um I won't say anything else
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