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2 years ago

Write 23/80 as a decimal number? This is due today

Mathematics

2 answers:

sveticcg [70]2 years ago

6 0

Answer:

0.2875 or rounded to 0.29

Step-by-step explanation:

Alina [70]2 years ago

5 0

Answer:

0.2875

All you have to do is divide

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A wheelchair access ramp has an angle of elevation of 18°. If the ramp reaches the top of a 26 inch high porch, how long is the

zheka24 [161]

Draw diagarm

we want to know the hyptohuse
use cos

cos(x)=opositeside/hhyptohuse
hypothuse=length of ramp

cos(18°)=26/?
times both sides by ?
?cos(18°)=26
divide both sides by cos(18°)
?=26/(cos(18°))
use your calculator
?=27.338in

the ramp is about 27in

6 0

3 years ago

Only one question .Who knows about this plz "Find the measures indicated. round to the nearest tenth".

Elan Coil [88]

So the total value of a triangle is 180°

So when u calculate the missing angle its value is 42°

180°-(60°+78°) = 42°

6 0

2 years ago

Read 2 more answers

F(x)=x^3-x^2-10x-8 ; x+1

SCORPION-xisa [38]

Answer:

i think it's f=x2−x−10

Step-by-step explanation:

7 0

2 years ago

The population of a certain species of fish has a relative growth rate of 1.1% per year. It is estimated that the population in

Juliette [100K]

Answer:

(a) n(t) = P(0)*e^(0.010939940t)

(b) 12,674,681 (nearest unit)

Step-by-step explanation:

rate = 1.1% / year = 1.011

(a)

P(0) = 12,000,000 = population in 2010

In compound interest format, after t years

P(t) = P(0)* (1.011)^t

Given format = P(0)* e^(rt)

therefore

e^(rt) = 1.011^t use law of exponents

(e^r)^t = 1.011^t

e^r = 1.011

r = log_e(1.011) = 0.010939940 (to 9 decimal places)

required formula is

n(t) = P(0)*e^(0.010939940t)

(b)

in 2015,

P(0)=12000000, n = 5 (years after 2010)

n(5) = 12000000*e^( 0.010939940 * 5 ) = 12,674,680.6 = 12,674,681 (nearest unit)

(c)

to reach 14 million, we equate

n(t) = 14,000,000

12,000,000 *e^(0.010939940*t) = 14,000,000

e^(0.010939940*t) = 14000000/12000000 = 7/6

take log on both sides

0.010939940*t = log(7/6)

t = log(7/6) / 0.010939940 = 14.091 years = 14 years to the nearest year.

See graph attached. Y-axis is in millions, x-axis is in years.

4 0

3 years ago

Javier invests $2,500 into an account 3.5% simple interest . What will be the total amount in the account after 5 years if no ot

katovenus [111]

Answer:d

Step-by-step explanation:

4 0

2 years ago