To convert 2.6 hours into seconds which two ratios could you multiply by?

1 answer:

3 0

One hour is composed of 60 minutes and each minute has 60 seconds. Hence,
1 hr x (60 min / 1 hr) x (60 s/ 1 hr) = 3600 seconds
Each hour has 3600 seconds. To convert the given,
2.6 hours x (3600 s/ 1 hr) = 9360 seconds
Therefore, 2.6 hours is also equal to 9360 seconds.

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If a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

bonufazy [111]

$\cfrac{1.8*10^5}{9*10^2}= 0.2*10^3 = 2*10^2=200$

<span>A.The blue whale has about 200 time more mass</span>

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Read 2 more answers

8.EE.5

olga2289 [7]

Answer:

1.) $slope=2$

2.) $slope=-3$

3.) $slope=\frac{1}{4}$

4.) $slope=-\frac{4}{5}$

Step-by-step explanation:

The unit rate is also known as slope. Slope is the change in the y values over the change in the x values:

$(x_{1},y_{1})\\\\(x_{2},y_{2})\\\\\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=slope$

However, with certain graphs, the slope can be found in a simpler manner.

You start at one point and move across the y-axis, then move along the x-axis until you reach another point on the same line.

Make sure you move on the y-axis first, then the x-axis. Record the slope as spaces moved in each $\frac{y}{x}$

When you move up, the number will be positive $(\frac{+y}{x})$ . If you move down, the number will be negative $(\frac{-y}{x})$ .
If you move to the right, the number will be positive $(\frac{y}{+x})$ . If you move to the left, the number will be negative $(\frac{y}{-x})$ .