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djverab [1.8K]
4 years ago
12

Which expression is equivalent to 4(x+2)?

Mathematics
1 answer:
melamori03 [73]4 years ago
4 0

Answer:

B:4(x)+4(2)

Step-by-step explanation:

(4 × x)+(4 × 2)

You cant do anything in the parentheses so you have to distribute 4

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This set of points are connected to form a line segment. What is its length? A = (3,5) and B = (3,6) *
Colt1911 [192]

Answer:

d(A,B)=1

Step-by-step explanation:

To find distance between points A(xA,yA) and B(xB,yB), we use formula:

d(A,B)=(xB−xA)2+(yB−yA)2−−−−−−−−−−−−−−−−−−−√

In this example: xA=3 , yA=5 , xB=3 and yB=6 so:

d(A,B)d(A,B)d(A,B)=(3−3)2+(6−5)2−−−−−−−−−−−−−−−√=0+1−−−−√=1

5 0
3 years ago
Read 2 more answers
Let the sample space be S = 1, 2 ,3 , 4, 5, 6 suppose those outcomes are equally likely. Compute the probability of the event E
Mekhanik [1.2K]

Given:

Sample space be S = 1, 2 ,3 , 4, 5, 6.

The outcomes are equally likely.

To find:

The probability of the event E ="an even number".

Solution:

We have,

Sample space is S = 1, 2 ,3 , 4, 5, 6.

So, the total number of outcomes is 6.

E ="an even number".

E = {2,4,6}

So, the total number of favorable outcomes is 3.

The probability of the event E is

P(E)=\dfrac{Favorable outcomes}{Total outcomes}

P(E)=\dfrac{3}{6}

P(E)=\dfrac{1}{2}

P(E)=0.5

Therefore, the probability of the event E is 0.5.

3 0
3 years ago
When a number is decreased by 17% the result is 15. what is the original number?
Stels [109]

Answer:

original number is 18.07

Step-by-step explanation:

Let the original number be x

x - 17% of x  = 15

x* (1  - 0.17) = 15

x * 0.83 = 15

x = 15/0.83

x = 18.072289156

Or if your wording meant   17% of a number is 15  then:

x * 17% = 15

x *0.17 = 15

x = 15/0.17 = 88.23529...

but I think you meant  "decreased by 17%"   so I choose  x = 18.07

8 0
3 years ago
Y and Z are vertical angles <br> Y=(2X + 7)<br> Z=(4X - 17)<br> value of x
Yuki888 [10]
Vertical angles are equal to each other, so to solve this, you can set the angle measures equal to each other and solve for x.

        Z = Y             Replace X and Y with their values
4x - 17 = 2x + 7     Isolate the value. Start by adding 17 to both sides
      4x = 2x + 24   Subtract 2x from both sides
      2x = 24           Divide both sides by 2
        x = 12

6 0
4 years ago
12 people are entered in a race. if there are no ties, in how many ways can the first three places come out.
prisoha [69]

Answer:

1320

Step-by-step explanation:

This is a simple permutation.

Since you start with 12 people and there are 3 winners, after every winner the number pf people available to win decrease.

First, there are 12 people, then after the first win there are 11 people, and after the 2nd win, for the third win the there are 10 people.

Thus, to find the total number of combinations, you multiply:

12*11*10=1320

Thus, there are 1320 possible combinations

7 0
3 years ago
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