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Blizzard [7]
3 years ago
11

Which equation is the inverse of y = 100 – x2?

Mathematics
1 answer:
sdas [7]3 years ago
8 0

Answer:

1

Step-by-step explanation:

\tt\displaystyle y = 100 - x^2\to\{y = x\}\\\\x = 100 - y^2\to\\\\y^2 = 100 - x\to\\\\y = \pm\sqrt{100 - x}

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Can you guys help me on this math problem
Margarita [4]
I think 47 but i might b wrong lol
5 0
2 years ago
Grace is looking at a report of her monthly cell-phone usage for the last year to determine if she needs to upgrade her plan. Th
Alisiya [41]

Answer:

s ≈ 105

Step-by-step explanation:

<u>Given:</u>

  • The data set: 700, 735, 680, 890, 755, 740, 670, 785, 805, 1050, 820, 750

<u>To find:</u>

  • The standard deviation of the data

<u>Steps:</u>

To find the standard deviation, first write the computational formula for the standard deviation of the sample.

{s}= \sqrt{\frac{{\sum}{x^2} - \frac{({\sum}{x})^2}{n}}{n - 1}}

Take the square root of the answer found in step 7 above. This number is the standard deviation of the sample. It is symbolized by s . Here, we round the standard deviation to the nearest whole number.

{s} = \sqrt{10987.878787879} = 104.8231

Rounding to the nearest whole number:

s ≈ 105

6 0
1 year ago
When x= 5 the value of the expression 20/-25 + x (x - 10) is
ASHA 777 [7]
The answer is -25.8 because 5-10=-5, -5*5=-25, then you simplify fraction and add/subtract
3 0
3 years ago
Read 2 more answers
Clint deposited $1,155 into a savings account. A year later, he has $1169.44 in his
slavikrds [6]

Answer:

Step-by-step explanation:

i=prt

i=1169.44

p=1155

t=12

put values

1169.44=1155*12 r

1169.44=13860 r

r=1169.44/13860

r= 0.084

convert to percent

r=8.4%

4 0
3 years ago
Travis has $8 left in his pocket at the end of the day. Today, he spent $4 on
EleoNora [17]

Answer:

$37

Step-by-step explanation:

Travis has $8 left in his pocket. Do the opposite of what he did. If he "spent money", add it to the amount he has left. If he "found" money, then subtract.

First, he spent $26 on groceries for dinner. Add 26 with 8:

8 + 26 = 34

He found $1 on the ground. Subtract 1:

34 - 1 = 33

He spent $4 on lunch. Add 4:

33 + 4 = 37

Travis had $37 at the beginning of the day.

~

5 0
3 years ago
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