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zalisa [80]
3 years ago
11

Whats the midpoint of (-2,7)

Mathematics
1 answer:
Jobisdone [24]3 years ago
7 0

There isn't a midpoint when there's only one point. What's in the middle of one point? Unless you're talking about what number is directly in the middle of -2 and 7, at which it would be 3.

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Thomas goes to summer camp every year if his parents drive 155 miles to Camp to drop him off and then go back to pick him up in
prisoha [69]
I would say 465 since they go back and forth twice which is 155 x 3
8 0
2 years ago
A pond has 150 fish and the population decreases by 8% each day. How many days before there are 30 fish
nlexa [21]

Answer:

19 days

Step-by-step explanation:

Given

a = 150 --- initial

r = 8\% -- rate

Required

Days when the fish gets to 30

The function is exponential and as such it follows;

y = ab^x

Where x represents the number of days and y the number of fishes

Because the fishes decreases;

b = 1 - r

So, we have:

b = 1 - 8\%

Express as decimal

b = 1 - 0.08

b = 0.92

In y = ab^x

a =150

y = 30

b = 0.92

So, we have:

30 = 150 * 0.92^x

Divide both sides by 150

0.2 = 0.92^x

Take log of both sides

log(0.2) = log(0.92^x)

Apply law of logarithm

log(0.2) = x\ log(0.92)

Make x the subject

x = \frac{log(0.2)}{log(0.92)}

x = \frac{-0.6990}{-0.0362}

x = 19.309

x \approx 19

<em>Hence, it takes approximately 19 days</em>

3 0
3 years ago
What are two decimals that are equivalent to 7.7
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There are 5 green balls, 2 orange balls, 4 purple balls, and 1 pink ball in a bucket. You pick 1 ball from
bagirrra123 [75]
B
The purple balls constitute 1/3 of the amount of balls there, so you’re that likely to pluck one out.
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Jada's grandparents started a saving account in 2010 , the rable shows the amount in the account each year
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Answer: we need the table to solve this

Step-by-step explanation:

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