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alexandr402 [8]
3 years ago
8

Which expression is equivalent to 30x + 15y?

Mathematics
2 answers:
Softa [21]3 years ago
7 0
C) because you can divide both by 15 and 30÷15 = 2
mr_godi [17]3 years ago
7 0

Answer:c

Step-by-step explanation:

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6z less than or equal to 18
yan [13]

Answer:

z<=3

Step-by-step explanation:

6z<=18

z<=18/6

z<=3

8 0
3 years ago
F(x) = (x + 5)(x + 6)
Alenkasestr [34]

Answer:(-5,0) , (-6,0)

Y= (0,30)

Step-by-step explanation:

5 0
2 years ago
Is the answer A,B,C or D.
algol13

Answer:

B= -3

Step-by-step explanation:

Thats when the graph is at it's lowest

8 0
3 years ago
Does the following represent a function? <br> f = [ (3, -1), (2, 5), (4, -6), (3, 4), (5, -8) ]
ella [17]

Answer:

Not a function

Since x= produces y- -1 and y=-4, the relation (3,-1),(2,5),(4,-6),(3,4),(5,-8) is not a function.

7 0
2 years ago
Does the frequency distribution appear to have a normal distribution using a strict interpretation of the relevant​ criteria?Tem
Xelga [282]

Answer:

B. No, this distribution does not appear to be normal

Step-by-step explanation:

Hello!

To observe what shape the data takes, it is best to make a graph. For me, the best type of graph is a histogram.

The first step to take is to calculate the classmark`for each of the given temperature intervals. Each class mark will be the midpoint of each bar.

As you can see in the graphic (2nd attachment) there are no values of frequency for the interval [40-44] and the rest of the data show asymmetry skewed to the left. Just because one of the intervals doesn't have an observed frequency is enough to say that these values do not meet the requirements to have a normal distribution.

The answer is B.

I hope it helps!

3 0
2 years ago
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