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Zanzabum
3 years ago
7

I will mark Brainliest

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0

Answer:

I think d. Sorry if I am wrong.

Step-by-step explanation:

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Can you please help me with 6
makvit [3.9K]

Answer:

Third choice, 3/4

Step-by-step explanation:

Add all the cubes together, 12 + 5 + 3 = 20

There's a 12/20, which is 3/5, chance you'll get a green cube

5/20, which is 1/4, chance you'll get a blue cube

And there's a 3/20 chance you'll get a yellow cube

The probability of not getting a blue cube is 12/20 + 3/20 = 15/20 = 3/4

7 0
3 years ago
Solve for x please answer quick and please the right answer-2(x+1/4)+1=5
laila [671]
-2\left(x+\dfrac{1}{4}\right)+1=5\\
-2x-\dfrac{1}{2}=4\\
-2x=\dfrac{8}{2}+\dfrac{1}{2}\\
-2x=\dfrac{9}{2}\\
x=-\dfrac{9}{4}
8 0
4 years ago
One troop member So tickets for 33 crab meals and 20 vegetarian meals with a total receipt of $2025 another sold tickets for 30
natima [27]

Answer:

Therefore the cost of a crab meal and a vegetarian are $40.41 and $1.94 respectively.

Step-by-step explanation:

Given that,tickets for 33 crab meals and 20 vegetarian meal with total receipt of $2025. Another sold ticket for 30 crab meal and 11 vegetarian meals with total receipt of $1827.

Let the cost of a crab meal and a vegetarian meal be x and y respectively.

The cost of a crab meal is x

The cost of 33 crab meal is $33x

The cost of 30 crab meal is $30x

The cost of a vegetarian meal is y.

The cost of 20 vegetarian meal is $20y.

The cost of 11 vegetarian meal is $11y

According to problem,

33x+20y=2025

33x+20y-2025=0........(1)

        and

30x+11y=1827

30x+11y-1827=0 ..........(2)

Cross Multiplication Method,

a_1x+b_1y+c_1=0

a_2x+b_2y+c_2=0

\frac{x}{b_1c_2-b_2c_2}=\frac{y}{a_2c_1-a_1c_2}=\frac{1}{a_1b_2-a_2b_1}

{x}=\frac{b_1c_2-b_2c_2}{a_1b_2-a_2b_1}

{y}=\frac{a_2c_1-a_1c_2}{a_1b_2-a_2b_1}

Here a_1=33,b_1=20,c_1=-2025, a_2=30,b_2=11,c_2=-1827

\therefore x=\frac{20.(-1827)-11.(-2025)}{33.11-30.20}                   y=\frac{30.(-2025)-33.(-1827)}{33.11-30.20}

     \approx 40.41                                              \approx 1.94

Therefore the cost of a crab meal and a vegetarian are $40.41 and $1.94 respectively.

8 0
3 years ago
Solve this: k/3 = -4​
Veseljchak [2.6K]

Step-by-step explanation:

  • k/3= -4
  • k= -4×3
  • k= -12

<h2>stay safe healthy and happy.</h2>
6 0
3 years ago
Read 2 more answers
Juan is walking up a hill at 130 3/4 feet above sea level when he kicks a pebble. If the pebble falls to the hill which is 18.5
RUDIKE [14]

Answer:

The pebble travelled 149.25 feet vertically

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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