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2 years ago

I need help ASAP I will name brainlest if you get it right and no bad answers

Mathematics

2 answers:

Dovator [93]2 years ago

8 0

Answer:

1,000

Step-by-step explanation:

really sorry if wrong. But if it is wrong:

Volume= length time width time height

hope this helps! :)

Assoli18 [71]2 years ago

8 0

The answer would be 2,500 ft
1/2(10 x 20) x 5
1/2 x 200 x 5
= 500
then you take 500 x 5
= 2,500 ft

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Leah drives her truck 270KM in the same time Deborah drives her car 250KM. If Leah drives 4km/h faster than Deborah. What is eac

patriot [66]

Answer:

Leah: 54km/h

Deborah: 50 km/h

Step-by-step explanation:

250+4x=270

4x=20

x=5

both drove 5 hours

Deborah:

250/5=50km/h

Leah:

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4 0

3 years ago

The population of a colony of mosquitoes obeys the law of uninhibited growth. If there are 1000 mosquitoes initially and there a

STatiana [176]

Answer:

24761 mosquitoes

5.4 days

Step-by-step explanation:

Let the equation that shows the population of the mosquitoes after x days,

$A=P(1+r)^x$

Where,

P = Initial population,

r = rate of increasing per day,

Here, A = 1000, when x = 0,

$1000=P(1+r)^0\implies P = 1000$

A = 1900 when x = 1,

$1900 = P(1+r)^1\implies 1900 = 1000(1+r)\implies 1.9 = 1 + r\implies r = 0.9$

Thus, the required function that represents the population after x days,

$A=1900(1+0.9)^x=1900(1.9)^x$

If x = 4,

The number of mosquito after 4 days,

$A=1900(1.9)^4 = 24760.99\approx 24761$

If A = 60,000,

$60000 = 1900(1.9)^x$

$\frac{600}{19}=1.9^x$

Taking log both sides,

$\log(\frac{600}{19})=x\log 1.9$

$\implies x = \frac{\log(\frac{600}{19})}{\log 1.9}=5.378\approx 5.4$

Thus, there will 60,000 mosquitoes after 5 days.

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2 years ago

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2 years ago

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Lunna [17]

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2 years ago

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ddd [48]

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3 years ago

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