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ki77a [65]
2 years ago
10

The diagram shows corresponding lengths in two similar figures. Find the ratio of the areas of the two figures.

Mathematics
2 answers:
Eva8 [605]2 years ago
6 0
Hello.

The answer is 

49:81

There exists the same question from other source with the figure.

The figure shows corresponding lengths in two similar figures. The ratio of the perimeters of the two figures is <span>49:81
</span>

Have a nice day
astra-53 [7]2 years ago
5 0
Your answer should be D. 49.81
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klemol [59]

Answer:

A. "an arithmetic sequence with a common difference (d) of -6."

B. 33 hours

C. a_n=a_1+(n-1)d

D. See below

Step-by-step explanation:

A.

Since the sequence lessens by 6, this is an arithmetic sequence with a common difference (d) of -6.

B.

The formula for term of arithmetic sequence is:

a_n=a_1+d(n-1)

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She will have left 33 hours

C.

We will use the arithmetic sequence term formula written above, that is:

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THis gives us the amount of hours left after a certain number of weeks.

D.

We plug in 40 into n and find the hours left:

a_{40}=225+(40-1)(-6)\\a_{40}=225-234\\a_{40}=-9

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6 0
3 years ago
Find the TWO integers whos product is -12 and whose sum is 1<br>​
ahrayia [7]

Answer:

\rm Numbers = 4 \ and \ -3.

Step-by-step explanation:

Given :-

The sum of two numbers is 1 .

The product of the nos . is 12 .

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First number be x

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According to first condition :-

\rm\implies 1st \ number * 2nd \ number= -12\\\\\rm\implies x(1-x)=-12\\\\\rm\implies x - x^2=-12\\\\\rm\implies x^2-x-12=0\\\\\rm\implies x^2-4x+3x-12=0\\\\\rm\implies x(x-4)+3(x-4)=0\\\\\rm\implies (x-4)(x+3)=0\\\\\rm\implies\boxed{\red{\rm x = 4 , -3 }}

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8 0
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german

Step-by-step explanation:

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