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Marizza181 [45]
3 years ago
14

Subtract. –34 – (–55)

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
4 0
A double negative equals a positive so this is essentially:
 -34+55
Of which equals 21
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5. A sum of money is divided among Ethan, Jun Wei
anastassius [24]

Answer:

$450

Step-by-step explanation:

Let E be the amount of money Ethan starts with, J be the amount Jun Wei starts with, and R be the amount Raj starts with. Let M be the total amount of money to start with.

To start:

E:J:R = 5:6:9

This means Ethan has 5/20 of M, the money to start with. This reduces to 1/4 of M.

Afterwards:

(E-50):J:R = 3:4:6

This means Ethan has 3/13 of the remaining money (which is M-50!) after giving up 50. So

E = (M/4), or 4E = M

and

(E - 50) = 3/13 * (M - 50)

We know 4E = M, so we can substitute that in:

(E - 50) = 3/13 * (4E - 50)E - 50 = (12/13)E - 150/13E - 650/13 = (12/13)E - 150/13(1/13)E = 500/13E = 500

That's how much money Ethan had to start with. But we're asked how much he has AFTER giving $50 away, so that's $450.

3 0
3 years ago
*PLEASE ANSWER, I NEED HELP I DONT GET IT*
7nadin3 [17]

Answer:

the third graph

Step-by-step explanation:

2x<6/÷2 we get x<3

3x+2>-4

3x>-4-2

3x>-6/÷3

x>-2

5 0
3 years ago
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Need help solving for y​
alukav5142 [94]

Answer:

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5 0
3 years ago
each unit square of a 3-by-3 unit-square grid is to be colored either blue or red. for each square, either color is equally like
makkiz [27]

The probability of obtaining a grid that does not have a 2-by-2 red square 16 2/3%

probability : The probability of an event can be calculated by means of probability formula via honestly dividing the favorable quantity of outcomes by way of the total variety of viable consequences.

<u>Step-by using-step clarification:</u>

<u>given that:</u>

form are both square or circle with both equally likely :

for this reason,

P(square) = half of ; P(circle) = half of

color are either blue, pink or inexperienced with the 3 equally likely ;

P(purple) = 1/3 ; P(green) = 1/three ; P(blue) = 1/three

chance of creating a inexperienced circle :

independent probability

P(green n circle) = p(inexperienced) * p(circle)

P(green n circle) = 1/3 * half of

P(green n circle) = 1/6

= 0.16666

(0.16666 * 100%) = 16.6666%

= 16 2/3%

To learn more  about probability Visit : brainly.com/question/18920335

#SPJ4

3 0
2 years ago
Find the circumstances of a circle of the radius 15 CM
Blizzard [7]
<h2>94.2 cm (pi rounded to 3.14)</h2><h3>15 x 2 = 30</h3><h3>30 x 3.14 = 94.2</h3>
7 0
3 years ago
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