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AfilCa [17]
3 years ago
12

Which statement is not true? X squared equals 100 if and only if X equals 10 orX equals -10. If X squared equal 100 then X equal

s 10
Mathematics
1 answer:
mamaluj [8]3 years ago
7 0

Answer:

the second statement is not true

Step-by-step explanation:

If x squared equals 100, it doesn't mean necessarily that x is positive ten, since you can get 100 also by squaring the value (-10):

(-10)(-10)^{2} = (-10) x (-10) = 100

The second statement is ignoring the possibility of x being a negative ten which also gives 100 as answered when squared.

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A group of 485 people takes a canoe trip. They fill up all available canoes that each hld 3 people with 273 people. The rest of
olga2289 [7]

Number of people in the canoes which hold 2 people =

485 - 273 = 212 therefore there are 212 / 2 = 106 canoes holding 2 people.

The number of canoes holding 3 people = 273/3 = 91

Total number of canoes = 106 + 91

=<u> 197</u>  (answer)

Hope this helps

7 0
3 years ago
The bill at a restaurant came to $136.40.The customer decided to leave a 15% tip.What was the total bill including tip.
hjlf

Answer:

$156.86

Step-by-step explanation:

To calculate tip, you need to multiply the total bill by the percent tip you are going to leave. In this case the bill is $136.40, and the customer is going to leave a 15% tip. So, you would want to move the decimal place over to the left by 1, which you should get 13.64 as your number. Then divide it in half, which should give you 6.82. Now add 13.64 and 6.82 with the original bill price. If you don't add the 13.64 you would've forgotten the 10% part of the tip. At the end you should get $156.86 as your final bill.

4 0
3 years ago
Intro to slope-intercept form What is the y-intercept of the line represented by y = -6x – 11? Choose 1 answer: А (0, -6 B (0, -
murzikaleks [220]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
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Rhe sum of three consecutive ofd numbers is 87. What is the smallest of these numbers?
neonofarm [45]

Answer:

The smallest of the said odd numbers is 27

Step-by-step explanation:

Since it is 3 odd numbers that sums up to 87, the first thing to do is to divide 87 by 3

That is 87/3 = 29, which is an odd number

The nearest odd  numbers to 29 are 27 and 31, and the total of all these three odd numbers is 87

That is 27+29+31 = 87, which are consecutive odd numbers.

The smallest odd number here is therefore 27

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3 years ago
Jan age is 3 less than the twice triss agethe sum of thier ages is 30
tresset_1 [31]
Jan is 19, Triss is 11.
3 0
2 years ago
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