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Elza [17]
2 years ago
6

How I can answer this question, NO LINKS, If you answer correctly I will give u brainliest!

Mathematics
1 answer:
Nat2105 [25]2 years ago
5 0

Answer:

the slope is 3 and you can put points on (1,3) and (2,6) to demonstrate this in the graph

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In verbal expression
AlladinOne [14]
Variable squared minus negative 2
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3 years ago
Which relation is a function?
Alja [10]

Answer:

Bottom right

Step-by-step explanation:

Each domain value can only have 1 range value.

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2 years ago
A hair salon in Cambridge, Massachusetts, reports that on seven randomly selected weekdays, the number of customers who visited
morpeh [17]

Answer:

a: 28 < µ < 34

Step-by-step explanation:

We need the mean, var, and standard deviation for the data set.  See first attached photo for calculations for these...

We get a mean of 222/7 = 31.7143

and a sample standard deviation of: 4.3079

We can now construct our confidence interval.  See the second attached photo for the construction steps.

They want a 90% confidence interval.  Our sample size is 7, so since n < 30, we will use a t-score.  Look up the value under the 10% area in 2 tails column, and degree of freedom is 6 (degree of freedom is always 1 less than sample size for confidence intervals when n < 30)

The t-value is: 1.943

We rounded down to the nearest person in the interval because we don't want to over estimate.  It said 28.55, so more than 28 but not quite 29, so if we use 29 as the lower limit, we could over estimate.  It's better to use 28 and underestimate a little when considering customer flow.

5 0
3 years ago
Match with correct description
fgiga [73]
First one:  If the leading coeff. is negative, the graph begins in Quadrant III and ends in Quadrant IV.  It's an even function.   The fourth graph represents it.

If the leading coeff. is positive, but everything else remains the same, the graph opens upward, beginning in Q II and ending in Q I.

8 0
3 years ago
One package of raspberries cost 3$. how many packages of raspberries an you buy for 18$
Sphinxa [80]

Answer:

6 packages.

Step-by-step explanation:

If they are $3 each, and you only have $18, divide 18 by 3, which gives you 6.

8 0
2 years ago
Read 2 more answers
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