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denis23 [38]
3 years ago
7

ILL GIVE YOU BRAINLIST !!! Evaluate the expression given the replacement values.

Mathematics
2 answers:
Oksanka [162]3 years ago
7 0

Answer:

24

Step-by-step explanation:

a^{2}= 49 because any number squared is positive.

Since b=2,

2(-4)= -8.

Then this is 49-8-17, which equals 24.

aalyn [17]3 years ago
3 0

Answer:

24

Step-by-step explanation:

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Approximately how much of a degree is 10 seconds?
Inessa [10]

Answer: 0.0028


Step-by-step explanation:

60 minutes in 1 degree, so 1/60 = 0.01666666667

there are 60 seconds in 1 minute and 1 minute is 0.01666666667 of a degree

so  0.01666666667 divided by 60 x 10 or 0.01666666667 divided by 6 is .0028


7 0
3 years ago
Order the ratios from least to greatest<br> 16/24, 5 to 12, 6:13, 10:17, 13/28
saul85 [17]

Answer:

5/12, 6/13, 13/28, 10/17, 2/3

Step-by-step explanation:

First, simplify the ones that could be simplified.

2/3, 5 to 12, 6:13, 10:17, 13/28

<em>(okay apparently only the first could be simplified)</em>

<em />

You can look at all of them as fractions

2/3, 5/12, 6/13, 10/17, 13/28

3 0
3 years ago
A sum of money is divided among Khairul, Michael and Ethan in the ratio
Leto [7]

Answer:

$360

Step-by-step explanation:

The intial ratio of the sum shared between Khairul, Michael and Ethan is 6 : 4 : 5.

This would be 6x : 4x : 5x

Khairul gives $30 to Michael and $15.

The ratio is. Now;

(6x - 45) : (4x + 30) : (5x + 15)

We are told this is equal to the ratio 7:6:7

Thus;

((6x - 45) + (4x + 30))/(5x + 15) = (7 + 6)/7

(10x - 15)/(5x + 15) = 13/7

Factorize the left hand side;

5(2x - 3)/5(x + 3) = 13/7

5 will cancel out to get;

(2x - 3)/(x + 3) = 13/7

Cross multiply to get;

7(2x - 3) = 13(x + 3)

14x - 21 = 13x + 39

14x - 13x = 39 + 21

x = 60

Amount Khairul had initially was denoted as 6x.

Thus,6x = 5 × 60 = $360

3 0
3 years ago
C=<br> 5<br> 9<br> (F−32)<br> Can someone please help me with this
denis23 [38]

Answer:

The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?

A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of  

5

9

degree Celsius.

A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.

A temperature increase of  

5

9

degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.

A) I only

B) II only

C) III only

D) I and II only

Step-by-step explanation:

5 0
3 years ago
What is the perimeter of a square with a side length of 9 meters?​
alexira [117]

Answer:

36 meters

Step-by-step explanation:

A square has equal side lengths, and a total of 4 sides, so

9 times 4 is equal to 36.

Remember your units!

7 0
3 years ago
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