2 years ago

Which situation represents a proportional relationship?

Mathematics

1 answer:

barxatty [35]2 years ago

3 0

I dont think i get this anyways im trying to solve it
savage way

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Figure A is a scale image of Figure B. What is the value of x?

rewona [7]

Answer:

x=30

Step-by-step explanation:

to find the value of x you have to find K(constant number).

$\frac{x}{45}=\frac{18}{27}\\\frac{x}{45}=\frac{2}{3}\\ 3(x)=45*2\\3x=90\\x=\frac{90}{3}\\ x=30$

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3 years ago

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The midpoint of (2,7) and (6,3)

White raven [17]

Answer:

Step-by-step explanation:

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2 years ago

If you have 18 questions how many do you need to get right to have 50 percent correct

MrRa [10]

You would need exactly 9 correct questions to get a 50%.

We can find this by multiplying the total number of questions by the percentage we are looking for.

18*50% = 9

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3 years ago

If $3,600 is invested at a rate of 2.4% that is compounded annually, how much will it be worth after 9 years?

Alex787 [66]

Amount after 9 years = 3600( 1 + 0.024)^9 = $4456.58

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2 years ago

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stion 1 OT 5A researcher recorded the number of swans and the number of ducks in a lake every month. Function s represents the n

Anon25 [30]

Given functions are

$s(n)=2(1.1)^n+5_{}$ $d(n)=4(1.08)^n+3$

The total number of ducks and swans in the lake after n months can be determined by adding the functions s(n) and d(n).

$t(n)=s(n)+d(n)$

$t(n)=(2(1.1)^n^{}+5)+(4(1.08)^n+3)$

$t(n)=2(1.1)^n+5+4(1.08)^n+3$

$t(n)=2(1.1)^n+4(1.08)^n+5+3$

$t(n)=2(1.1)^n+4(1.08)^n+8$

Taking 2 as common, we get

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

Hence The total number of ducks and swans in the lake after n months is

$t(n)=2\lbrack(1.1)^n+2(1.08)^n+4\rbrack$

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1 year ago