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irga5000 [103]
4 years ago
14

Solve the equation -4 + 4a = 12 for a. A.4 B.5 C.6 D.9

Mathematics
1 answer:
neonofarm [45]4 years ago
3 0

Answer:a=4

Step-by-step explanation:

-4+4a=12

Add 4 to both sides

4a=16

Divide both sides by 4

a=4

Therefore a=4

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I know y’all are smarter than me helpp me please
Kipish [7]

Answer:

(b)

Step-by-step explanation:

Given

A roll of a six sided die

Required

Which of the options is true

A) P(Even) = 1/4 and P(Odd) = 3/4

In a die, we have:

S = \{1,2,3,4,5,6\} -- sample space

E = \{2,4,6\} --- Even

O = \{1,3,5\} -- Odd

The probability of even is the number of even sides over total.

i.e.

P(Even) = 3/6

P(Odd) = 3/6

Hence, (a) is incorrect

(b) A) P(Even) = 1/2 and P(Odd) = 3/2

In (a), we have:

P(Even) = 3/6

P(Odd) = 3/6

Simplify each

P(Even) = 1/2

P(Odd) = 1/2

Hence (b) is true

Since (b) is true, (c) and (d) are false

6 0
3 years ago
Joe mama Drove 69 to prison. Tehy Shon Meets John in 56 meter before 69 cell . how many meter did joe mama drove Youngboy to the
Nonamiya [84]

the answer is 138 i think

Step-by-step explanation:

add 69 and 56

then you get 125

the subtract 69 and 56 to get 13

add 125 and 13 to get 138

3 0
3 years ago
Two​ trains, Train A and Train​ B, weigh a total of 318 tons. Train A is heavier than Train B. The difference of their weights i
alukav5142 [94]

Answer:

ohyou already got an answer

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the midpoint of the segment with the following endpoints.<br> (10,7) and (5,4)
Anettt [7]

Answer: (7.5, 4.5)

Step-by-step explanation:

To find the midpoint, we can just find the average of the x values and the y values.

x=(10+5)/2=15/2=7.5

y=(5+4)/2=9/2=4.5

7 0
3 years ago
QUESTION 3 The probability that it will rain on a given day is 63%. A child has a 12% chance of falling in dry weather and is th
attashe74 [19]

Answer + Step-by-step explanation:

<u>the probability that a child will not fall on any given day</u> :

= (63 × 64 + 27 × 88) ÷ 100

= 64.08 %

<u>the probability that a child will fall in dry weather</u> :

= (27 × 12) ÷ 100

= 3.24 %

3 0
1 year ago
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