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wlad13 [49]
3 years ago
10

anny has two boxes. One box contains 10 colored pencils, 4 of which are red and 6 of which are green. The other box contains 7 m

arkers, 4 of which are red and 3 of which are blue. He chooses one colored pencil at random, and one marker at random. What is the probability of Manny choosing a green pencil and a red marker?
Mathematics
1 answer:
monitta3 years ago
3 0

Answer:

  • 12/35

Step-by-step explanation:

  • p(green pencil) = 6/10 = 3/5
  • p(red marker) = 4/7
  • p(green pencil and red marker) = 3/5*4/7 = 12/35
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PLZ ANSWER CORRECTLY 1 2⁄6 ÷ 4 1⁄3
JulijaS [17]

Answer:

0.30715935334

Step-by-step explanation:

8/6 ÷ 13/3

1.33÷ 4.33

0.30715935334

5 0
3 years ago
Read 2 more answers
1) Carefully follow the steps to find the solution to the three equation system.
rjkz [21]

Step-by-step explanation:

a. we simply subtract 3. from 2.

x + 2y + z = 15

- -3x + y + z = 2

--------------------------

4x + y 0 = 13

b. we multiply 3. by 3 and then subtract from 1.

2x - 4y + 3z = -7

- -9x + 3y + 3z = 6

-----------------------------

11x - 7y 0 = -13

c. we multiply the result of a. by 7, and then simply add a. and b., because the y terms have different signs already.

28x + 7y = 91

+ 11x - 7y = -13

--------------------------

39x 0 = 78

39x = 78

x = 2

d. we use this x = 2 in the result of a.

4×2 + y = 13

8 + y = 13

y = 5

e. using x = 2 and y = 5 in 2.

2 + 2×5 + z = 15

2 + 10 + z = 15

12 + z = 15

z = 3

the solution is therefore (2, 5, 3).

8 0
1 year ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=4%20%2B%20%20%5Csqrt%7B7%7D%20" id="TexFormula1" title="4 + \sqrt{7} " alt="4 + \sqrt{7} " a
ivann1987 [24]

4 +  \sqrt{7}
Calculate the appropriate values, we get

= 4 + 2.64575
=  > 6.64575
3 0
3 years ago
Find a rational number between -1/3 and 1/2
noname [10]

Answer:

1/6

Step-by-step explanation:

Rational numbers between two rational numbers:

  •      First find the Least Common Denominator for 2 and 3
  • Then find equivalent fractions with the LCD.

LCD of 2 and 3 = 6

\sf \dfrac{-1}{3}=\dfrac{-1*2}{3*2}=\dfrac{-2}{6}\\\\\dfrac{1}{2}=\dfrac{1*3}{2*3}=\dfrac{3}{6}

\sf Rational \ number \ between \ \dfrac{-2}{6} \ and \ \dfrac{3}{6} \  is \  \bf \dfrac{1}{6}

5 0
2 years ago
A man that is 6 ft tall casts a shadow that is 4 ft long . He is standing next to a tree that is casting a shadow that is 12 ft
Sunny_sXe [5.5K]

Answer:

The tree is 18ft tall

Explanation:

Shadow = Real

4ft = 6ft(man)

1ft = 1.5ft

Let tree = yft

12 = y

y = 12 × 1.5

= 18ft

(Correct me if i am wrong)

7 0
3 years ago
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