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valina [46]
3 years ago
7

A box contain 4 plain pencils and 4 pens. A second box contains 9 color pencils and 1 crayon. What is the probability that a pen

from the first box and a crayon from the second box
Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0
If u mean altogether then it would be 5/18 if separately the for the pen it would be 4/8 and for the crayon it would be 1/10
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Im stuck on this question helm me out I will mark you as brainliest​
agasfer [191]

Answer: <em><u>it is =4176000000000000</u></em>

Step-by-step explanation:

(2.9)(100000)(7.2)(10^2)

5(10^−8)

=

(290000)(7.2)(10^2)

5(10^−8)

=

2088000(10^2)

5(10^−8)

=

(2088000)(100)

5(10^−8)

=

208800000

5(10^−8)

=

208800000

5(1/100000000)=

208800000/1

20000000

=4176000000000000

hope i helped

-lvr

8 0
3 years ago
20(20-x)=300 what is x
neonofarm [45]

Answer:

x = 5

Step-by-step explanation:

20(20-x)=300

1. Divide both sides by 20.

20(20-x)/20 = 300/20

2. Simplify.

20-x=15

3. Subtract 20 from both sides.

20-x-29=15-20

4. Simplify.

-x=-5

5. Divide both sides by -1.

-x/-1 = -5/-1

6. Simplify.

x=5

5 0
3 years ago
An angle measures 90° less than the measure of a supplementary angle. What is the measure of each angle?
Vanyuwa [196]
Supplementary angles add up to 180 degrees more than the other, you can formulate an equation 180=(100+x)+x80=2x so, x=40 the other angle is 100 degrees more. So, the angle lengths are 40 and 140 degrees.
4 0
3 years ago
What is measure of angle R?
Tema [17]
I think you need to add them all up first or do the 90 degree
8 0
3 years ago
Use the discriminant of the following quadratic equation to state the number and type of solutions. 3x^(2)+4x-5=3x+2
krek1111 [17]
3x^(2)+4x-3x-5-2=0
3x^(2)+x-7=0
Discriminat= b^(2)-4ac= 1^(2)-4(3)(-7)= 1-12(-7)=1+84=85
The discrimination is bigger than 0 (delta>0) therefore there are 2 real solutions
4 0
3 years ago
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