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aniked [119]
3 years ago
8

-2(21/4)+-2(13/4) what is the answer

Mathematics
2 answers:
meriva3 years ago
6 0

Answer:

I think -17

Step-by-step explanation:

sergij07 [2.7K]3 years ago
4 0

Answer:

-17

Step-by-step explanation:

-2(21/4)-2(13/4)

-(21/2)-26/4

-21/2-26/4

-42/4-26/4

-68/4

-17

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A jar contains 2 orange, 4 green, 2 white and 2 black balls. What is the probability of drawing an orange ball without putting i
KonstantinChe [14]

Answer:

2/45

Step-by-step explanation:

We are told that:

A jar contains 2 orange, 4 green, 2 white and 2 black balls.

The total number of balls in the jar is calculated as:

2 orange balls + 4 green balls + 2 white balls + 2 black balls = 10 balls

The probability of drawing an orange ball = P(Orange) = 2/10

The probability of drawing a black ball = P(Black) = 2/10

Therefore, the probability of drawing an orange ball without putting it back, then drawing a black ball is calculated as:

2/10 × 2/9 = 4/90

= 2/45

7 0
3 years ago
A rectangular garden has a length of 8 ft and a width of 4 ft. A smaller garden was made, using a scale factor of 3434 . Find th
LenKa [72]
To find the dimensions of the smaller garden I believe that you would divide the dimensions by the scale factor to get 0.0023296447 * 0.0011648224 to get the area of the smaller garden which would be 0.0000027136. 
5 0
3 years ago
19−4c=17<br> help me asap
Mariana [72]

Answer:

c = 1/2

Step-by-step explanation:

Step 1: Write equation

19 - 4c = 17

Step 2: Subtract 19 on both sides

-4c = -2

Step 3: Divide both sides by -4

c = 1/2

8 0
4 years ago
Read 2 more answers
Sully earns $80 by selling a laptop and $60 by selling a smartphone. He wants to make a profit of at least $6,800. Write an ineq
VikaD [51]

Answer:

The inequality that represent the problem is 80x+60y \geq 6,800

The solution in the attached figure

Step-by-step explanation:

Let

x ----> the number of laptops sold

y ----> the number of smartphones sold

we know that

The inequality that represent the problem is equal to

80x+60y \geq 6,800

The solution of the inequality is the shaded area

Remember that the number of laptops or the number of smartphones must be  a whole positive number

The graph in the attached figure

3 0
4 years ago
What is the completely factored form of x4y – 4x2y – 5y?
Lady_Fox [76]
If you would like to write x^4y - 4x^2y - 5y in a completely factored form, you can do this using the following steps:

x^4y - 4x^2y - 5y = y * (x^4 - 4x^2 - 5) = y * (x^2 + 1) * (x^2 - 5)

The correct result would be <span>y * (x^2 + 1) * (x^2 - 5).</span>
4 0
3 years ago
Read 2 more answers
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