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JulijaS [17]
3 years ago
11

Two triangles are similar. The sides of one are three times as long as the sides of the other. What is the ratio of the areas of

the smaller to the larger?
Mathematics
1 answer:
Setler [38]3 years ago
4 0

Answer:

1 : 9

Step-by-step explanation:

Given 2 similar figures with sides in ratio a : b , then

ratio of areas = a² : b²

Here the ratio of sides = 1 : 3 , thus

ratio of areas = 1² : 3² = 1 : 9

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I need help with 17 please
stira [4]
Move the triangle, 12 units right and 4 units bottom. Then, rotate it by 180 degrees. Transformation would be done!

Hope this helps!
7 0
3 years ago
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Let a=3/5 and let b=2/3. Compute a^2b^-3.
Amanda [17]

Answer: 81/100



Step-by-step explanation:

I don't guarantee you I am right but..

first, solve for the exponents after substituting the numbers in

3/5 x 3/5 is 9/25

since b's exponent is negative, you change the fraction into its reciprocal and then do it with the exponent but positive

2/3^-3 to 3/2^3 and 3/2 x 3/2 is 9/4

then you mutiply both numbers to get 9/4 x 9/25 is 81/100

7 0
2 years ago
[finshed of resenct] which answer is another way to write the number of coins than hanna has [answers] 180 118 18 10
Mamont248 [21]

Answer:

just write the numbers of coins a different way

4 0
3 years ago
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how do you simplify 24-8 root 3 over 6? the correct answer is 12-4 root 3 over 3 but i’m just confused on how you simplify to ge
iren [92.7K]
You simplify the fraction by dividing 2 to the nominator and the denominator. So 24/2=12, 8/2=4, 6/2=3. You can only divide a root with a root number so in this case the root three doesn't get affected
3 0
3 years ago
A parking lot covers 32,420 square feet .what id its area to the nearest thousand feet
Mademuasel [1]

Answer: 32,000

Step-by-step explanation:

the thousands place (1000) is the fourth number to the left of the decimal, so round that one either up or down based on the number just one spot closer to the decimal, in this case, the hundreds place (100).

so we have 32,420

we can ignore the numbers that are going to become zeros as a result of the rounding . .

32,400

let's round 32,XXX either up or down based on the value in the hundreds place. if that value is 5 or greater, than we round up. if it is less than 5, than we round down.

4 is in the hundreds place, so we round down

32,000 is the answer

Hope this helps!!! Good luck!!! ;)

6 0
3 years ago
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