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sammy [17]
3 years ago
13

Someone help me with my geometry test ASAP!!!

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0

Answer:

x=46

Step-by-step explanation:

add the 2 equations and set them equal to 180, and then do the math from there.

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An experimental population of fruit flies increases according to the law of exponential growth. There were 60 flies after the 2n
Mice21 [21]

Answer:

There were 10 flies originally

Step-by-step explanation:

Since we have an exponential growth, we will be having a constant percentage of increase and we can set up the increase at any day using the following equation;

V = I(1+r)^d

where V is the number of flies on a particular day

I is the initial number of flies

r is the constant increase in percentage

and d is the number of days.

So we have for the second day;

60 = I(1+r)^2 ••••••(i)

For the fourth day, we have;

360 = I(1+r)^4 ••••••••(ii)

divide equation ii by i; we have;

360/60 = (1+r)^4/(1+r)^2

6 = (1+r)^2

(√6)^2 = (1+r)^2

1 + r = √6

r = √6 - 1

So we can substitute the value of r in any of the equations to get I which is the initial number of flies

Let’s use equation 1

60 = I(1 + r)^2

60 = I(1 + √6 -1)^2

60 = I(√6)^2

60 = 6I

I = 60/6

I = 10 flies

3 0
3 years ago
8 less than the product of 5 and -4
Karolina [17]
The answer would be:
5(-4) - 8
-20 - 8
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4 0
3 years ago
4 divide by the square root of 2
xxTIMURxx [149]

Answer: 2.82842712475

Step-by-step explanation:

8 0
3 years ago
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What time is 5 1/4 hours after 7:00?
Wittaler [7]
Seven add five is 12 . A clock has four quarters , the first quarter is fifteen minutes.
Therefore, 5 1/5 hours after 7:00 = 12:15
4 0
3 years ago
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If they intersect at a 90 degree angle it’s B. If they never intersect if they continued for ever it’s A. If they intersect but it’s not at a 90 degree angle it’s D.
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3 years ago
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