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mezya [45]
3 years ago
13

suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000. use the 68-95-99.7 rule to

find the percentage of buyers who paid: between $150,000 and $152,700 If the standard deviation is $900.
Mathematics
1 answer:
Lelechka [254]3 years ago
5 0
152700 is answer. Try to do these problems on paper then you can see where you went wrong . also try to do the actual question

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Choose the product of –3y2(–4y3 + y – 9).
Nina [5.8K]

Answer:

D

-3 * (-4) matches, as well as the powers (I guess you wanted to communicate that these are powers, but it would also be correct if these where factors)

6 0
2 years ago
In June, you bought 14.5 gallons of gasoline for $3.18 per gallon. The following February, you bought the same amount of gasolin
Nata [24]

Answer:

14.5 × 3.18 - 14.5 x 1.88

You paid $18.85 more in june than in February

Step-by-step explanation:

In order to find the answer to this question you will need to find how much you paid in June and how much you paid in February.

ex.14.5 x 3.18 - 14.5 x 1.88

To solve this you need to find the product of 14.5 x 3.18 and 14.5 x 1.88 and then subtract them from eachother.

ex.14.5 x 3.18 =46.11

14.5 x 1.88=27.26

46.11-27.26=18.85

3 0
3 years ago
Will Mark Brainliest
Mademuasel [1]

we are given with the data of a parabola with vertex at (2, 2) and directrix at y  = 2.5. the formua should be ax^2 + b x + c = y because of the directrix. 

(x-h)^2 = 4a (y-k)

(x-2)^2 =4a (y-2) 

a is the equidistant distance from focus to vertex and from vertex to directrix that is equal to -0.5

then the  answer is 

(x-2)^2 =-0.5*4 (y-2) 

x2 - 4x + 4 = -2y +4

x2-4x+2y = 0

answer is C

4 0
2 years ago
Can someone please help me ?? ​
Marat540 [252]

C, the higher a negative is, the lower its value gets

8 0
3 years ago
Read 2 more answers
The tallest water slide is 49 meters tall, Phineas
Oliga [24]

Answer:

n=9

Step-by-step explanation:

when you add 49 and 5 you get 54 then you need to divide it by 6

6 0
3 years ago
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