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Sholpan [36]
3 years ago
5

Please help me with this question?

Mathematics
1 answer:
crimeas [40]3 years ago
4 0

Answer:

D)

Step-by-step explanation:

Each longitude has a time difference of 4 minutes.

Convert 4 hours into minutes

4 hours * (60 minutes/1 hour) = 240 minutes

Divide 240 minutes by 4 to obtain the difference in longitude

240/4 = 60

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How many solution does this have and how do you solve it
Vadim26 [7]

Answer:

Infinite solutions

Step-by-step explanation:

To determine the number of solutions a system has, you need its slope. If the slopes are the same, check if the equations are equivalent or not.

To find the slope, rearrange the equation to isolate "y", which makes it slope-intercept form y = mx + b.

"x" and "y" represent points on the line.

"m" represents the slope, which is how steep a line is.

"b" represents the y-intercept (where the graph hits the y-axis).

Isolate "y" in both equations:

x + 3y = 0

3y = -x        Subtract 'x' from both sides

y = -x/3        Divide both sides by 3.

y = -\frac{1}{3}x

The slope is -1/3.

9y = -3x

y = -3x/9        Divide both sides by 9

y = -\frac{3}{9}x        Reduce the fraction to lowest terms

y = -\frac{1}{3}x

The slope is -1/3, but the two equations are the same.

Since the equations are the same, or <u>equivalent</u>, the two lines are always touching. The solution of a system means where two lines intersect, or meet. Therefore, <u>there are infinite solutions</u>.

5 0
3 years ago
Students are getting signatures for a petition to increase sports activities at the comunitu center. The number of signatures th
Lyrx [107]
You would take the 36 and divide it by the 3 then add 6
6 0
3 years ago
Read 2 more answers
0=x2+4x-5 using zero product property
Elenna [48]

Answer:

x=1,-5x=1,−5

Step-by-step explanation:

0=(x−1)(x+5)

2 Switch sides.

(x-1)(x+5)=0(x−1)(x+5)=0

3 Solve for xx.

x=1,-5x=1,−5

4 0
3 years ago
29 degrees C to Fahrenheit.​
Shtirlitz [24]

Answer:

29 degrees Celsius are 84.2 Fahrenheit.

Step-by-step explanation:

In order to convert Celsius to Fahrenheit you can use this formula: F = C * 1.8 + 32.

Here we have F = 29 * 1.8 + 32 which equals 84.2. Instead of 1.8 you can use the fraction \frac{9}{5} if you wish so.

3 0
3 years ago
Read 2 more answers
The same price of an item is $48 after a 40% discount what was the original price
Sonja [21]
Let, the original price = x
It would be: x*60% = 48
x = 48 / 0.60
x = 80

In short, Your Answer would be $80

Hope this helps!
8 0
3 years ago
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