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erastovalidia [21]
3 years ago
13

A number increased by 4 is the same as 19 minus 2 times the number. (10 points) plss help tkssss

Mathematics
1 answer:
ohaa [14]3 years ago
4 0

Step-by-step explanation:

x+4=19-2x

Im pretty sure Im right!

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Please help, will mark brainliest<br><br>50 points
liraira [26]

Answer:

(-6,8)

Step-by-step explanation:

2x + 9y = 60

-9x + y = 62 --> y = 9x + 62 --> 2x + 9(9x + 62) = 60 -->

2x+ 81x + 558 = 60 -->

83x + 558 = 60 -->

83x = -498 -->

x = -6 -->

y = 9(-6) + 62 -->

y = 8

3 0
3 years ago
Read 2 more answers
The population of a country grows exponentially at a rate of 1% per year. If the population was 35.7 million in the year 2010, t
Lady_Fox [76]

Answer:

37.52 million

Step-by-step explanation:

using,

A = A'(1+R/100)ⁿ............................. equation 1

Where A = population size in 2015, A' = Initial population, R = rate in percentage, n = number of times between 2010 and 2015.

Given: A' =35.7 million, R = 1%, n = 5.

Substitute these values into equation 1

A = 35.7(1+0.01)⁵

A = 37.52 million.

Hence the size of the population of the country in the year 2015 is 37.52 million

7 0
2 years ago
9. Find P(rolling 1 or 5) with one number cube.
marta [7]

Answer:

1/3

Step-by-step explanation:

There are 6 possible outcomes when rolling 1 die

1,2,3,4,5,6

P ( 1 or 5) = number of times 1 or 5 happens / total outcomes

               = 2/ 6

               = 1/3

6 0
3 years ago
Complete the pattern. 3, 9, 27, 81, _, _,<br><br><br>Thank you!​
fiasKO [112]

Answer:

243 then 729

Step-by-step explanation:

each number is being multipled by 3.

3 0
2 years ago
Help will give brainliest
Anarel [89]

Answer:

Quadrant 2

Step-by-step explanation:

The answer is quadrant two because the answer is in the form of -x,y. When the x is negative and the y is positive, it is always going to be in quadrant 2. As you can see in the image below, quadrant 1 is going to be all positive, quadrant two is going to be negative then positive, quadrant three is going to be all negative, and quadrant 4 is going to be positive then negative. Use this as a guide for the rest of your question. I hope this helps!

8 0
3 years ago
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