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torisob [31]
11 months ago
12

Do number 4 a please thank you

Mathematics
1 answer:
brilliants [131]11 months ago
3 0
Answer for 4a. 25(n + 6)

Reason

The product (means to multiply)
Six more than a number (n + 6)
And 25 (other multiplier)

Expression is 25(n+ 6)
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G a frequency distribution has a mean of 200 and a standard deviation of 20. the class limits for one class are 220 up to 240. b
cestrela7 [59]

A suitable probability calculator will show that probability to be .135905122.


_____

Your class extends from 1 standard deviation above the mean to 2 standard deviations above the mean. The empirical rule puts that probability at ...

... (1/2)(95% - 68%) ≈ 13.5%


The empirical rule tells you 68% of observations lie within 1 standard deviation of the mean, and 95% lie within 2 standard deviations. Then the number that lie between 1 and 2 standard deviations from the mean will be the difference of these values. You want the values in the region above the mean only, so you only want half the difference just described.

6 0
3 years ago
Can someone help me with a and c only ​
Nataly [62]

Answer: the answer to C is 4,176,000,000,000,000

Step-by-step explanation:

2.9(105)(7.2)(102)

5(10−8)

=

(2.9)(100000)(7.2)(102)

5(10−8)

=

(290000)(7.2)(102)

5(10−8)

=

2088000(102)

5(10−8)

=

(2088000)(100)

5(10−8)

=

208800000

5(10−8)

=

208800000

5(

1

100000000

)

=

208800000

1

20000000

=4176000000000000

7 0
3 years ago
What is the classification for this polynomial?
Mariana [72]

Answer:

Trinomial

Step-by-step explanation:

This is because there are three terms involved in the equation.

One of them is -7ab^4. Another is 4c^3. The third one is 25.

4 0
2 years ago
If f(x) = -3x - 5 and g(x) = 4x - 2, find (f - g)(x).
ratelena [41]

Answer:

  A.  (f-g)(x) = -7x -3

Step-by-step explanation:

(f -g)(x) = f(x) -g(x) = (-3x -5) -(4x -2)

  = -3x -5 -4x +2

  = -3x -4x -5 +2

  (f -g)(x) = -7x -3

3 0
2 years ago
Mary is baking a cake. The recipe calls for 7 cups of flour. She already put in 3 cups. How many more cups does she need to add?
pshichka [43]

Answer:

4

step by step if she has 7 cups and already put in 3

7-3=4

3 0
2 years ago
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