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Alja [10]
2 years ago
12

The difference between number 20 and its opposite is what percentage of 200? (if you do not remember: opposite of 15 is −15; opp

osite of −7 is 7.) Answer:
Mathematics
2 answers:
True [87]2 years ago
8 0
20%

This is because 20 and it's opposite -20 is 40. (20 - -20 = 40). Then 40 is 20% of 200. 
Fed [463]2 years ago
4 0

Answer:

20%

Step-by-step explanation:

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Mitch is making birdhouses to sell. He needs to make at least $678. Each birdhouse costs $28 to make. He is selling them for $40
d1i1m1o1n [39]
Exact=56.5 rounded would be 57 because you can't make half a birdhouse.
4 0
2 years ago
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maria and her sister each have a salad and a drink for lunch at a restaurant. a salad costs $4.75 and a drink costs $1.65. what
oksano4ka [1.4K]
The salads in total are $9.50
The waters in total are $3.30

together the total cost is $12.80

First, convert the 15% to an actual number that can be used in a calculation. For percents, this is always done by simply dividing the percent (in this case 15%) by 100%. So, the conversational term "15%" becomes 15% / 100% = 0.15 in terms of a real mathematical number.

Second, you need to find out what 15% of your $12.80 meal cost is. This is always done by multiplying 0.15 by $12.80, or

0.15 x $12.80=$1.92.

So, the amount of tip you are going to leave is $1.92.

This makes the total cost of your meal (to write on your charge slip or other payment)

<span>$12.80 + $1.92 = $14.72.</span>




8 0
2 years ago
Find the midpoint of the segment with endpoints of −11 + i and −4 + 4i.
Y_Kistochka [10]
The midpoint is the average of the endpoints.
  ((-11+i) + (-4+4i))/2 = -15/2 +5/2i
4 0
2 years ago
Read 2 more answers
Last Sunday, the average temperature was 8\%8%8, percent higher than the average temperature two Sundays ago. The average temper
SVETLANKA909090 [29]

Answer: The two answers are 1.08<em>T</em> and (1 + \frac{8}{100} )<em>T</em>.

Step-by-step explanation:

Try multiplying 1.08 times any random number. If you use 5,  1.08 times 5 gives you 5.4.  This makes sense. Solve the other other expression as well and substitute <em>T</em><em> </em> with the SAME number that you used before (5). Hope that helps!

5 0
2 years ago
An icicle drips at a rate that can be represented by the function f(x) = −x2 + 11x − 18, where 0 ≤ x ≤ 10 and x is the number of
FrozenT [24]

Calculate f(x) for all numbers between 0 and 10:

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f(2) = −2^2 + 11(2) − 18 = 0

f(3) = −3^2 + 11(3) − 18 = 6

f(4) = −4^2 + 11(4) − 18 = 10

f(5) = −5^2 + 11(5) − 18 = 12

f(6) = −6^2 + 11(6) − 18 = 12

f(7) = −7^2 + 11(7) − 18 = 10

f(8) = −8^2 + 11(8) − 18 = 6

f(9) = −9^2 + 11(9) − 18 = 0

f(10) = −10^2 + 11(10) − 18 = -8

When the value is negative it doesn't drip, so it starts and stops dripping when the values = 0

Which is f(2) and f(9), the values are 2 and 9.

4 0
2 years ago
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