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Elodia [21]
3 years ago
11

2. a² + b2 = c2 a=9 b=40

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0
I don’t know if you meant b^2 and c^2 or b x 2 and c x 2 so I’ll do both.

If it’s meant to be multiplied by 2, then you do 9^2 + (40)2 =c2

81 + 80 = c2

161 = c2
/2
80.5 = c

However I do doubt it’s that. This means it’s likely meant to be squared instead. In which case, use the following answer.

9^2 + 40^2 =c^2

1681 = c^2

Then square root both sides to get just c (which i assume is what you’re trying to find?)

Square root of 1681 = 41

So your answer would be 41.
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Harlamova29_29 [7]
I hope this is the answer you want

4 0
3 years ago
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Which one of the following equations is equivalent to 3x-12 = -9?
MissTica

the answer choices don't make sense but I can help u with solving the equation it's x = 1

  • 3x-12=-9 , minus 12 on both sides
  • 3x = 3 , divide 3 on both sides
  • x = 1

now that u know this go through your answer choices and solve their equation and see which one produces x = 1 and that'll be the answer!!

3 0
3 years ago
Suppose that a regression line for some data transformed with logarithms predicts that when x equals 4, log(y) will equal 3.331.
deff fn [24]

Option D

The regression line predicts that at x = 4, y equals 2143

<em><u>Solution:</u></em>

Given that when x equals 4, log(y) will equal 3.331

To find: Find y when x equals 4

Since we have given that,

When x = 4,

\text{ log } y = 3.331

We need to find the value of 'y' when x = 4

log_{10}y = 3.331

Since it is logarithmic function with base 10, Raise to power of 10 on both sides,

10^{log_{10}y} = 10^{3.331}\\\\\text{10 power log base 10 cancels, we get }\\\\y = 10^{3.331}\\\\y = 2142.89

On rounding to nearest whole number, we get 2143

Thus Option D is correct

7 0
3 years ago
aisha just received a $40 paycheck from her new job. She spends some of it buying music online and saves the rest in a bank acco
Oduvanchick [21]
The 40 number should represent her paycheck which was $40. Since her paycheck is increasing the saving so it's positive.
The x in this question is the number of Aisha spending. Since the spending is decreasing her saving, then it negative. That means that the more Aisha spend her money, her saving will become less.
6 0
4 years ago
write 10075302 in words in both the Indian system and international system and rearrange the digits to get the smallest number ​
STALIN [3.7K]

Answer:

answer

Step-by-step explanation:

1,00,75,302= One crore seventy five thousand three hundred two

Rearranging the digits,

Largest number = 7,53,21,000

Smallest number = 1,00,02,357

7 0
3 years ago
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