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RSB [31]
3 years ago
10

10. Un átomo de potasio tiene 19 protones en el núcleo y 20 neutrones. A partir de estos datos, a) ¿Cuál será su número atómico?

7YGº
Mathematics
1 answer:
hram777 [196]3 years ago
6 0

Answer:

translate this to English and I'll help!(:

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How would 0.09 be represented as a percent? A. 0.9% B. 9% C. 90% D. 0.0009%
posledela
Answer: 9%

Explanation:

To convert a decimal to a percent, move the decimal point two spaces to the right.
4 0
3 years ago
Read 2 more answers
A restaurant that makes deliveries plotted data points on a scatter plot showing the relationship between x, the number of miles
Sergeeva-Olga [200]
Given:
y = 2x + 6
x - the number of miles between restaurant and point of delivery
y - the number of minutes between the time an order is place and the time it is delivered.

The correct conclusion is:
<span>C) It takes the restaurant about 6 minutes to prepare each order for delivery 


2x is the time it takes to deliver the order, every mile is traveled within 2 minutes.
6 is the number of minutes it takes to prepare the order before it will be set out for delivery.

</span>
4 0
3 years ago
The table represents the average daily price of a two-bedroom beachfront condo each month, with January represented as month 1,
ruslelena [56]

Answer:

y = - 9.1768x2 + 122.2567x + 14.9091

Step-by-step explanation:

Given the following :

Month (x) Daily Rental Price (y) 1 $154 2 $205 3 $266 4 $358 5 $403 6 $425 7 $437 8 $430 9 $381 10 $285 11 $211 12 $195

Using the online regression equation graphing tool ; The quadratic model obtained in the form,

y = Ax^2 + Bx + C is :

y = - 9.1768x2 + 122.2567x + 14.9091

Attached below is a picture of the quadratic regression curve.

7 0
3 years ago
Helppppppp
Yakvenalex [24]

Answer:

7 -if rounded to the nearest tenth would be 10

Step-by-step explanation:

The median is the number in the middle so

6-6-7-7-10-12-14

There are 7 numbers here so the middle number is 4 because there are 3 numbers before 4 and 3 numbers after 3 to get to 7 (that’s really hard to explain sorry but it’s a simple concept) my trick is to write it down then use two fingers to point at the first and last number and keep doing that moving in til I get to the middle number, which is 7. :)

6 0
3 years ago
if a sprinkler waters 1/14 of a lawn in 1/2 an hour, how much time it will take to water the entire lawn
arlik [135]
1/14 in 30 mins
30 mins x 14=420 mins
420 mins in hours =7 hours
3 0
3 years ago
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