3 years ago

Steve read 400 pages in 5 days. Write two equivalent reading rates?

Mathematics

2 answers:

kirza4 [7]3 years ago

5 0

Answer:

800 pages in 10 days

80 pages in 1 day

240 pages in 3 days

arlik [135]3 years ago

4 0

Answer:

80 pages in 1 day

800 pages in 10 days

Step-by-step explanation:

Hope this helps!

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3 years ago

Fill in Sin, Cos, and tan ratio for angle x. <br> Sin X = 4/5 (28/35 simplified)

Fantom [35]

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Given: $\sin(x) = (4/5)$ .

Assuming that $0 < x < 90^{\circ}$ , $\cos(x) = (3/5)$ while $\tan(x) = (4/3)$ .

Step-by-step explanation:

By the Pythagorean identity $\sin^{2}(x) + \cos^{2}(x) = 1$ .

Assuming that $0 < x < 90^{\circ}$ , $0 < \cos(x) < 1$ .

Rearrange the Pythagorean identity to find an expression for $\cos(x)$ .

$\cos^{2}(x) = 1 - \sin^{2}(x)$ .

Given that $0 < \cos(x) < 1$ :

$\begin{aligned} &\cos(x) \\ &= \sqrt{1 - \sin^{2}(x)} \\ &= \sqrt{1 - \left(\frac{4}{5}\right)^{2}} \\ &= \sqrt{1 - \frac{16}{25}} \\ &= \frac{3}{5}\end{aligned}$ .

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2 years ago

Steve read 400 pages in 5 days. Write two equivalent reading rates?​

Steve read 400 pages in 5 days. Write two equivalent reading rates?