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Lunna [17]
3 years ago
11

You owe your sister $5.35, and she lends you another $4.50, how much do you owe her now

Mathematics
1 answer:
Margarita [4]3 years ago
6 0
You would now have to pay her $9.85
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Sean determines that the triangle shown in the diagram has angle measures of 40°, 40°, and 100°. Is Sean correct?
kotykmax [81]
The bottom left angle is 180 -80=(100)

So the remaining 2 angles are equal 80
As all angles in a triangle are equal to 180

X+5 + x - 5 =80
Simplify
2x=80
X=40

Soo one of the angles are 40-5 which is (35)
And the other is 40+5 which is (45)
So sean is not correct
~sorry sean teehee
6 0
3 years ago
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The square below represents one whole.<br><br> What percent is represented by the shaded area?
Leokris [45]

Answer:

92%

Step-by-step explanation:

because there are 100 squares and 92 are shaded

8 0
3 years ago
How many solutions does this linear system of equations have?
Irina18 [472]
It has infinite solutions
4 0
3 years ago
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I'm thinking of a number. If you multiply it by 5 and then subtract 24, you will get -44. What is my number?
Allushta [10]

Answer:

4

Step-by-step explanation:

let y = the number

y x 5 - 24 = -44

y x 5 = -44 + 24

y x 5 = 20

y = 20/5

y = 4

5 0
3 years ago
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Consider a bag of jelly beans that has 30 red, 30 blue, and 30 green jelly beans. a) How many color combinations of 15 beans hav
igor_vitrenko [27]

Answer:

680

Step-by-step explanation:

Number of red beans = 30

Number of Blue beans = 30

Number of green beans = 30

How many color combinations of 15 beans have at least 6 green beans?

Since at least 6 of the beans must be green,

Then (15 - 6) = 9

Then, the remaining 9 could be either red, blue or green.

Therefore, C(9 + (9 - 1), 3)

C(17, 3) = 17C3

nCr = n! ÷ (n-r)! r!

17C3 = 17! ÷ (17 - 3)! 3!

17C3 = 17! ÷ 14!3!

17C3 = (17 * 16 * 15) / (3 * 2)

17C3 = 4080 / 6

17C3 = 680 ways

5 0
2 years ago
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