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Georgia [21]
2 years ago
7

A bag contains 5 grey marbles, 7 striped marbles, and 3 black marbles. If one marble is randomly chose, what is the probability

that the marble will not
be black (please answer it’s due today)
0.8
0.4
60%
1/5
Mathematics
2 answers:
Anvisha [2.4K]2 years ago
5 0

Answer:

C

Step-by-step explanation:

kvv77 [185]2 years ago
5 0

Answer:

I think the answer is 0.8

Step-by-step explanation:

5+7+3=total amount

total amount=15

5+7/15

12/15

12÷15

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How do you solve, j+2j+3j=-20+-16
Natalija [7]

Answer:

j = -6

Step-by-step explanation:

j + 2j + 3j = -20 + (-16)

6j = -36

j = -6

5 0
2 years ago
Sesame Company purchased a computer system for $74,000 on January 1, 2018. It was depreciated based on a 7-year life and an $18,
amm1812

Answer: $24000

Step-by-step explanation:

Depreciation for 2018 = ($74,000 - $18000) / 7

= $56000/7

= $8000

Depreciation for 2019 = ($74,000 - $18000) / 7

= $56000/7

= $8000

Depreciation up to 2019 = $8000 + $8000 = $16000

Book value at end of 2019 = $74000 - $16000 = $58000

Revised residual value = $10,000

Number of remaining years = 4-2 = 2 years

Depreciation expensed for 2020 will be:

= ($58000 - $10,000) / 2

= $48000/2

= $24000

7 0
2 years ago
Marcos sees a cake advertised as $15 or 2 for $25. What is the difference of the unit rate?
Mekhanik [1.2K]

Answer:

A. 2.50

Step-by-step explanation:

25 ÷ 2 = 12.5

15 - 12.5 = 2.50

6 0
3 years ago
How many x-intercepts does the graph of each quadratic equation have? Show your work.
Alex73 [517]

Answer:

Step-by-step explanation:

In each case we find the discriminant b^2 - 4ac.

If the discriminant is negative, we have two unequal, complex roots.

If the discriminant is zero. we have two equal, real roots.

If the discriminant is positive, we  have two unequal real roots.

#51:  8v^2 - 12v + 9:  the discriminant is (-12)^2 - 4(8)(9) = -144.  we have two unequal, complex roots

#52:  (-11)^2 - 4(4)(-14) = 121 + 224 = 345.  we  have two unequal real roots.

#53:  (-5)^2 - 4(7)(6) = 25 - 168 (negative).  we have two unequal, complex roots.

#54:  (4)^2 - 16 = 0.  We have two equal, real roots.

4 0
3 years ago
8.-10 + 0.22 can someone help me again​
grigory [225]

Answer:

8.10+0.22

Is 8.33

Step-by-step explanation:

6 0
3 years ago
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