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Masja [62]
3 years ago
6

-10x^2-4x+2=0 real number solutions

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
8 0

Answer:

2 real solutions

Step-by-step explanation:

a=-10, b=-4, c=2

(-4)^2-4x(-10)x2=96

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(40 POINTS)
34kurt

Answer:

1.   y= 25400(1 + 0.11)^x

2.  2019

Step-by-step explanation:

1. y = a(1 + r)^x       <em> </em>

<em>(exponential growth formula :</em>

<em>a = initial value (the amount before measuring growth or decay) </em>

<em>r = growth or decay rate (usually represented as a percentage and expressed as a decimal) </em>

<em> x = number of time units that have passed)</em>

y= 25400(1 + 0.11)^x

so in 1 year, in 1996, we would say

y=25400(1+0.11)^1

y=25400(1.11)

y=28194

2. I found the answer by plugging in numbers into x

with x = 24

y= 25400(1+0.11)^24

y= 310874

so in 24 years, the population will surpass 302438 which would be 1995+24= 2019

3 0
3 years ago
Which of the following is the cube root of 125 ?
atroni [7]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A hole is being dug into the ground at a rate of 5.3 feet per minute. Write an integer to describe the depth of the hole after 1
inna [77]

Answer:

79.5 feet

Step-by-step explanation:

5.3 per minute can also be written as the ratio 5.3:1. so if we have x:15, we can see that we've multiplied the right side by 15 so we have to do the same to the other side. 15 times 5.3 is 79.5. so thats your answer.

i hope this helps :))

8 0
3 years ago
HELP QUICKLY <br><br> The graph shows the total number of hours Katrina worked over a 10-day period.
Marta_Voda [28]

Answer:

Day 7 - 8

Step-by-step explanation:

We can calculate the maximum work she did in each interval by finding the difference between the y axis limits for each day.

This is also observed by the steepness of the graph, which is steepest for the interval between 7- 8 hours .

From day 1 to day 2 she worked 3 hours

From day 4 to 5 she worked 0 hours

From day 7 to 8 she worked 6 hours

From 9 to 10 she worked zero hours.

Hence, the maximum work she did was from day 7 to 8

<h3>Hope this helps</h3>
7 0
4 years ago
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Can someone please solve these questions for me PLEASE!!!
lys-0071 [83]

Answer:

hey my name is blessing wat school you go to

Step-by-step explanation:

6 0
4 years ago
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