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3 years ago

Divide 100 in a ratio of 5:3

Mathematics

1 answer:

bixtya [17]3 years ago

7 0

Answer:

62.5 : 37.5

Step-by-step explanation:

When we divide 100 into 5:3 ratio the parts we make need to add up to 100

5parts +3 parts = 8 parts

100/8 parts = 12.5 are in each part

12.5*5 : 12.5*3

62.5 : 37.5

check our answer 62.5+37.5 = 100 ✅

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please help! functions and relations. f(x)= square root of x-4. find the inverse of f(x) and it’s domain.

likoan [24]

ANSWER:

$\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4$

STEP-BY-STEP EXPLANATION:

We have the following equation:

$f(x)=\sqrt{x}-4$

The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

$\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\ \\ \sqrt{f^{-1}(x)}=x+4 \\ \\ f^{-1}(x)=(x+4)^2 \end{gathered}$

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Therefore, the domain is x ≥ -4.

So the correct answer is D.

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1 year ago

In the smoky mountains of Tennessee, the percent of moisture that falls as snow rather than rain is approximated by P = 10.0 ln

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Answer:

A. About 4,900 ft

Step-by-step explanation:

We want h such that ...

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3 years ago

Mary needed capital for her bakery. She borrowed $60 000 for 4 years at a simple interest rate of 8% per year. How much money wi

vlada-n [284]

Answer:

$ 79600

Step-by-step explanation:

interest=prt (p is the amount borrowed, r is the rate, t is the time)

p=60000 , r=8%=0.08 , t=4 years

interest=60000*0.08*4

A=19600

the amount paid at the end of 4 years: 60000+19600=$79600

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4 years ago