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yanalaym [24]
2 years ago
14

How much time has passed? Start time: 4:45 a.m. End time: 7:25 a.m.

Mathematics
1 answer:
elixir [45]2 years ago
7 0

Answer:

2 hours and 40 mins i think

Step-by-step explanation:

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Joe wrote an inequality
pychu [463]

Answer:Please see answer in explanation column

Step-by-step explanation:

A

The sum of a number and 7 is not more than 10

Given answer: x + 7 < 10  , This is false

Reason :Not more than 10 means at most 10, less than or equal to 10 , " or " not greater than 10 "and therefore the correct inequality  is written as

x + 7  ≤ 10

B

The product of a number and 4 is at least 20

Given answer: 4X > 20  ---- False

Reason :At least 20  means at no less than 20 " or " greater than or equal to 20  therefore the correct inequality  is written as

4X ≥ 20

C

The difference between a 15 and a number is at most 12

Given answer: 15-x>12----False

Reason :At most 12  means  " no more than 12 , "  " less than or equal to 12 , " or " not greater than 12"therefore the correct inequality  is written as

15-x  ≤  12

D

The quotient of a number and 8 is greater than or equal to

Given answer 8x <3 --False

Reason : It clearly stated greater than or equal to 3. Therefore the correct inequality is  8x  ≥ 3

6 0
2 years ago
. <br> What is the value of x?<br> A;90<br> B;225<br> C;180 <br> D;135
Ludmilka [50]
The answer is 180 degrees. 

A right angle formed at the edge of any circle will always create an arc of 180 degrees. This is true no matter where it is placed and no matter the side lengths. 
8 0
3 years ago
A student is trying to solve the system of two equations given below: Equation P: y + z = 6 Equation Q: 8y + 7z = 1 Which of the
Sergeeva-Olga [200]
<span>P:      y + z = 6
Q:  8y + 7z = 1

A. This makes y = -8Y which will eliminate the "y"'s when the equations are added.


</span>
4 0
3 years ago
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I need help with this question. It is a file.
olchik [2.2K]
D because coefficient is the number next to the variable and 7 is the coefficient to the fifth power
7 0
3 years ago
Triangle A is dilated by a scale factor of 2. What is the ratio of the perimeter of Triangle A to the perimeter of Triangle B? A
leva [86]

The answer is A) 1:2

7 0
3 years ago
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