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ipn [44]
3 years ago
10

A multiple choice test consists of six questions, each of which has four choices. Each question has exactly one correct answer.

Mathematics
1 answer:
mario62 [17]3 years ago
6 0
To get 4 or fewer correct, at least 2 answers have to be wrong. And the probability of that is:
3/4 x 3/4=9/16
1-9/16=probability that 4 or fewer are correct=7/16 ☺☺☺☺
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What is 10,000 x 1000,000
Hitman42 [59]

Answer:

10000000000

Step-by-step explanation:

10000000000

:) Hope this helps

4 0
2 years ago
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On a scale drawing 1/4 inch=1 foot. What are the dimensions on a Scale drawing of a room that is 20ft by 27ft
Gemiola [76]

Answer:

5 inches by \frac{27}{4} inches

Step-by-step explanation:

According to the scale given, to convert "feet" to "inches", we have to multiply each feet by 1/4th. The drawing would be a "smaller" version of the original. That would be in inches.

So, 20 ft would be:

20 * 1/4 = 20/4 = 5 inches

and

27 feet would be:

27 * 1/4 = 27/4 inches

The dimension would thus be:

5 inches by \frac{27}{4} inches

5 0
4 years ago
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Strike441 [17]

Answer:

the numbee from left to right :

-1.5

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6 0
3 years ago
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What is the step by step process of this question
drek231 [11]
Hello there!

In order to solve this system of equations, you would first need to make one equation have a negative variable.

2a + 3b = -1
(3a + 5b = -2) -1

2a + 3b = -1
-3a - 5b = 2

Now, we have to modify the equations for it to be able to cancel out a variable. To do this, you would need to look at the least common multiple.

2: 2, 4, 6, 8, 10
3: 3, 6, 9, 12, 15

One least common multiple would be 6 so let's modify the equation!

(2a + 3b = -1) 3
(-3a - 5b = 2) 2

6a + 9b = -3
-6a - 10b = 4

Now, let's cancel out the variable and solve for b.

9b = -3
-10b = 4

-1b = 1
b = -1

In order to solve for a, just plug in the b into one equation and solve for a.

2a + 3(-1) = -1
2a - 3 = -1
2a = 2
a = 1

The answer would be a = 1 and b = -1


7 0
4 years ago
Anna bought 6 bags of candy for a total of 19.68. Write an equation and solve to figure out how much each bag cost.
Alex73 [517]
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3 years ago
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