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Ghella [55]
3 years ago
9

Franco wants to buy a mini drone for $40. If he has $16, what percent of the cost of the drone does he have?

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

Answer:

He has 40 percent of the cost of the drone

Step-by-step explanation:

16/40×100/1=40%

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I need help on this how do you find the third measure
Goryan [66]
The sum of the three angles of a triangle is always 180°. Tha is
  (first measure) + (second measure) + (third measure) = 180°

Subtract the first two terms of this equation and you have
  (third measure) = 180° - (first measure) - (second measure)

a. third measure = 180° - 45° - 55° = 80°

b. third measure = 180° - 50° - 40° = 90°

c. third measure = 180° - 110° - 35° = 35°

4 0
4 years ago
Two cards are chosen at random from a standard deck of 52 cards without replacement. What is the probability of choosing two kin
BigorU [14]

Answer:

1/221

Step-by-step explanation:

There are 4 kings in a standard deck of cards

P( one king) =  number of kings/ number of cards

                        4/52

                          = 1/13

Then we do not put the card back.  Now we have 3 kings and 51 cards

P(2nd king) = number of kings/ number of cards

                     =3/51

                       =1/17

We need to multiply these together

P( one king, 2nd king without replacement) = 1/13*1/17 = 1/221

7 0
3 years ago
Use the given function to find the indicated value(s) of x. (Enter your answers as a comma-separated list.)
Nady [450]

Answer:

For f(x) = √(2·x + 2) - √(x + 18), at f(x) = -1 the possible x-values includes;

-0.757, -17.5

Step-by-step explanation:

Given that the function is f(x) = √(2·x + 2) - √(x + 18)

The value of 'x' when f(x) = -1, is given as follows;

-1 = √(2·x + 2) - √(x + 18)

-1² = (√(2·x + 2) - √(x + 18))² = 3·x + 20 - 2·√(2·x + 2)×√(x + 18)

1 = 3·x + 20 - 2·√(2·x + 2)×√(x + 18)

2·√(2·x + 2)×√(x + 18) = 3·x + 20 - 1 = 3·x + 19

2·x² + 38·x + 36 = (3·x + 19)/2

2·x² + 38·x + 36 - (3·x + 19)/2 = 0

4·x² + 73·x + 53 = 0

From which we get;

x = (-73 ± √(73² - 4 × 4 × 53))/(2 × 4)

x ≈ -0.757, and x ≈ -17.5

6 0
3 years ago
What is numerical expression?<br> Three less than 11 times the sum of 9-2
sweet-ann [11.9K]

Answer:

11(9 - 2) - 3

Step-by-step explanation:

This is how you write the expression.

Three less means we have a -3.

11 times the sum of 9 - 2 means we have 11(9 - 2)

We put these together to get:

-3 + 11(9 - 2)

Or we can simplify it to:

11(9 - 2) - 3

6 0
3 years ago
First consider 100%. What is 100% of $40?
jenyasd209 [6]

Answer:

$40

Step-by-step explanation:

100% just means the whole, so 100% of $40 is $40.

5 0
3 years ago
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