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sasho [114]
3 years ago
14

What is x more than 3x-1

Mathematics
1 answer:
Fofino [41]3 years ago
5 0

Answer:

Step-by-step explanation:

3x - 1 +x = 2x-1

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What is the domain of the following functions
Sholpan [36]

Answer:

C.

Step-by-step explanation: HOPE THIS HELPED

7 0
3 years ago
In a competition, a school awarded medals in different categiories.40 medals in sport 25 medals in danceand 212 medals in music,
aleksley [76]

Answer:

210

Step-by-step explanation:

Given:

Medals in sports = 40

Medals in dance = 25

Medals in music = 212

Total students that received medals = 55

Total students that received medals in all three categories = 6

Required:

How many students get medals in exactly two of these categories?

Take the following:

A = set of persons who got medals in sports.

B = set of persons who got medals in dance

C = set of persons who got medals in music.

Therefore,

n(A) = 40

n(B) = 25

n(C) = 212

n(A∪B∪C)= 55

n(A∩B∩C)= 6

To find how many students get medals in exactly two of these categories, we have:

n(A∩B) + n(B∩C) + n(A∩C) −3*n(A∩B∩C)

=n(A∩B) + n(B∩C) + n(A∩C) −3*6 ……............... (1)

n(A∪B∪C)=n(A)+n(B)+n(C)−n(A∩B)−n(B∩C)−n(A∩C)+n(A∩B∩C)

Thus, n(A∩B)+n(B∩C)+n(A∩C)=n(A)+n(B)+n(C)+n(A∩B∩C)−n(A∪B∪C)

Using equation 1:

=n(A)+n(B)+n(C)+n(A∩B∩C)−n(A∪B∪C)−18

Substitute values in the equation:

= 40 + 25 + 212 + 6 − 55 − 18

= 283 - 73

= 210

Number of students that get medals in exactly two of these categories are 210

6 0
3 years ago
Jack wants to buy a pair of trousers for 60$ when he went to the store he found that the price was marked down by 20% how much d
Lemur [1.5K]
$48 (because you would do $60•0.20=$12 so then you would do $60-$12=$48)
3 0
3 years ago
I need to know what 12 + 5 - (6×24) equals​
Morgarella [4.7K]

Answer:

-127

Step-by-step explanation:

first multiplied the ones in parentheses

12+5-144

then you add

12+5=17

17-144=-127

7 0
3 years ago
Read 2 more answers
How do you translate "the sum of 5 and the product of a number times 3"?
Lubov Fominskaja [6]

Answer:

5+ 3x

Step-by-step explanation:

3 0
3 years ago
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