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swat32
2 years ago
15

 I need help with the solution

Mathematics
1 answer:
Artyom0805 [142]2 years ago
3 0

The answer is Pedro.

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A die is rolled twice. What is the probability of showing a 1 on the first roll and an even number on the second roll?
Ivan

Answer:

1/12

Step-by-step explanation:

Okay, so this will be a compound probability question because there are two parts to the question.

Firstly, a die has 6 sides, and there is only one chance of getting a 1, so the probability would be 1/6.

Furthermore, there are 3 different even numbers on a 6-sided die, so that is 3/6, which can be simplified to 1/2.

Now, because this is a compound probability, we have to multiply 1/2 and 1/6 together, which would give us our answer of 1/12.

6 0
3 years ago
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Three eighths of the students in a class of 32 students are boys. How many students are boys?
nata0808 [166]
12 because 1/8 is 4 4x3= 12
4 0
3 years ago
Read 2 more answers
20. The Christmas cheer from the crowd singin
Y_Kistochka [10]

Answer:

the answer is 4/5 because 4 divided by 5 is .80. multiply the .80 by 100 to get 80%

7 0
2 years ago
Write a linear equation that represents the cost of buying T-shirts from Paula’s Printing. Identify the meaning of each variable
vivado [14]

Answer:

y=21.50x

Step-by-step explanation:

Let

x ----> the number of t-shirts

y ----> the cost of buying T-shirts from Paula’s Printing in dollars

take two points from the given data

we have

(2,43) and (4,86)

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values in the formula

m=\frac{86-43}{4-2}

m=\frac{43}{2}=\$21.50\ per\ t-shirt

step 2

Find the equation of the line in point slope form

y-y1=m(x-x1)

we have

m=21.50

(x1,y1)=(2,43)

substitute

y-43=21.50(x-2)

step 3

Convert to slope intercept form

y=mx+b

Isolate the variable y

y-43=21.50x-43

y=21.50x-43+43

y=21.50x

This linear equation represent a proportional relationship (the line passes through the origin)

3 0
3 years ago
A series of maths books consists of four volumes. The first has x pages and the second has 54 more. The third and fourth volumes
enyata [817]

Answer:

1st volume = 160

2nd volume = 160 + 54 = 214

3rd volume = 160 + 54 + 32 = 246

4th volume = x + 54 + 32 = 246

Step-by-step explanation:

Given that:

Number of volumes = 4

1st volume = x pages

2nd volume = 54 more = x + 54

3rd volume = 32 more = x + 54 + 32

4th volume = 32 more = x + 54 + 32

Total number of pages = 866

Hence,

1st + 2nd + 3rd + 4th = 866

x + x + 54 + x + 54 + 32 + x + 54 + 32 = 866

4x + 226 = 866

4x = 640

x = 160

1st volume = 160

2nd volume = 160 + 54 = 214

3rd volume = 160 + 54 + 32 = 246

4th volume = x + 54 + 32 = 246

5 0
2 years ago
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