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olasank [31]
4 years ago
5

A student wants to reduce the size of an article he found in a newspaper. The original article was 12 cm wide. He needs to reduc

e it so its width measures 9 cm. On the copier, what percent setting should he can use to make a copy this size?
A.
75%


B.
60%


C.
50%


D.
90%
Mathematics
2 answers:
SOVA2 [1]4 years ago
3 0
The answer would be A, 75%. 12×.75=9. Hope this helped!
Nostrana [21]4 years ago
3 0

Answer:

A. 75%

Step-by-step explanation:

Took the quiz, got it correct.

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Determine if the expression – 6y5 z5 – is a polynomial or not. If it is a
sasho [114]

Answer:

it is not

Step-by-step explanation:

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3 years ago
Totsakan school is selling tickets to a choral performance on the first day of ticket sales the school sold 10 senior tickets an
ohaa [14]

Given :

On the first day of ticket sales the school sold 10 senior tickets and 1 child ticket for a total of $85 .

The school took in $75 on the second day by selling 5 senior citizens tickets and 7 child tickets.

To Find :

The price of a senior ticket and the price of a child ticket.

Solution :

Let, price of senior ticket and child ticket is x and y respectively.

Mathematical equation of condition 1 :

10x + y = 85    ...1)

Mathematical equation of condition 2 :

5x + 7y = 75    ...2)

Solving equation 1 and 2, we get :

2(2) - (1)   :

2( 5x + 7y - 75 ) - ( 10x +y - 85 ) = 0

10x + 14y - 150 - 10x - y + 85 = 0

13y = 65

y = 5

10x - 5 = 85

x = 8

Therefore, price of a senior ticket and the price of a child ticket $8 and $5.

Hence, this is the required solution.

 

5 0
3 years ago
A pound of ground beef costs $5 At this rate, what is the cost of 3 pounds
Nataliya [291]

Answer:

$15

Step-by-step explanation:

if one pound is $5 and we need 3, then we can multiply the price of one pound by 3. (3×$5) This gives $15

8 0
3 years ago
Read 2 more answers
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Answer: I can't get out my personal information.... But you can use this website called math-way it can help you with your math and its FREE, also if you want step by step explanations you have to join and you can join for FREE!!!

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3 years ago
Given a sample space, and events A and B, where P(A)= 0.5 and P(B)=0.5. Which of the following values for P(A and B) are not pos
user100 [1]

Option a, option b, option c, option d are not possible values for P(A ∩ B)

Solution:

Given A and B are independent events.

P(A) = 0.5 and P(B) = 0.5

To find which of the following values for P(A and B) are not possible.

P(A and B) = P(A ∩ B)

P(A ∩ B) = P(A) × P(B)

              = 0.5 × 0.5

P(A ∩ B) = 0.25

Option a: All are possible.

All answers are not possible for two independent events.

Option b: 0.35

We found that P(A and B) is 0.25.

So, 0.35 is not possible value.

Option c: 0.5

We found that P(A and B) is 0.25.

So, 0.5 is not possible value.

Option d: 0

We found that P(A and B) is 0.25.

So, 0 is not possible value.

Option e: 0.25

We found that P(A and B) is 0.25.

So, 0.25 is the possible value.

Hence, 0.35, 0.5, 0 are not possible values.

4 0
3 years ago
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