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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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Tell whether (1,6) is a solution of y = x + 7
andrezito [222]

Answer:

no it is not a solution.READ THE WHOLE EXPLANATION! IT WILL HELP WITH THE OTHER PROBLEMS!!!!

Step-by-step explanation:

when something like (1,6) is written consider it as (x,y). in this case, 1 is considered as x, and 6 is considered as y. if you substitute these number for x and x and y, (x =1 and y =6), you'll see that the equation will go from y=x +7, to 6=1+7. Which is not true.

5 0
3 years ago
Read 2 more answers
How much of a radioactive kind of silver will be left after 50 seconds in the half-life is 25 seconds and you start with 204gram
gizmo_the_mogwai [7]

Answer:

51 grams.

Step-by-step explanation:

After 25 seconds  204 * 1/2 = 102 grams is left.

So after 50 seconds ( 2 * 25), 102 * 1/2 = 51 g are left.

7 0
3 years ago
Write the equation of a line that has a m= -5 and passes through the point (-1,4)
svetoff [14.1K]

Answer:

We have a slope and a point, this way, we do not need to find the slope using two points. We can find the line using the Slope Form to turn it into Slope-Intercept Form, also known as "y = mx + b". We can use the Slope Form which is "y - y1 = m(x - x1)". A coordinate is "(x,y)", so that means, "(-1,4)" means that x = -1 and y = 4. We can substitute y1 for 4 and x1 for -1, and m for -5 since m is the slope. Plugging that information into the Slope Form Formula we get "y - 4 = -5(x - (-1))". We know that a negative with a negative turn positive, so we can use this information to change the formula to "y - 4 = -5(x + 1)". Now we distribute and simplify, these steps are shown below.

y - 4 = -5(x + 1)

y - 4 = -5x -5

y - 4 + 4 = -5x - 5 + 4

y = -5x - 1

Now that we have simplified it, we can see that the slope is -5 and the -1 is the y-intercept. To check this is a linear equation is to graph it, or substitute three x-coordinate or y-coordinates and draw a line. In conclusion, the equations is y = -5x - 1.

Step-by-step explanation:

4 0
2 years ago
Can you deposit 1750 into investment account that will produce 6.05% annual interest the money was left in the car for two years
PSYCHO15rus [73]

Step-by-step explanation:

Find out how much you get money from the annual interest:

100% = 1750

1% = 1750 ÷ 100 = 17.5

6.05% = 17.5 x 6.05 = 105.87

Find out how much you get from interest in 2 years.

105.87 x 2 = 211.74

(Final answer)

4 0
3 years ago
The answer for this problem
ElenaW [278]

Only the 3. option can be used. All other values dont fit


4 0
3 years ago
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