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frez [133]
3 years ago
14

An object travels 4/5 miles in one-half hour. Waht is its speed in miles per hour?

Mathematics
1 answer:
liubo4ka [24]3 years ago
8 0

So you have to double the numerator of the fraction which is 4 times 2 equals 8 so it’s 8/5 miles per hour or 1.6 mph

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7 0
3 years ago
Express 0.6 as a fraction.
ollegr [7]

Answer: 3/5

Step-by-step explanation: Using the place value chart, we can see that the decimal 0.6 is 6 tenths. So we can write 0.6 as the fraction 6/10.

Notice however that 6/10 is not in lowest terms.

So we need to divide the numerator and the denominator by the greatest common factor of 6 and 10 which is 2.

So if we divide the numerator and denominator by 2, we get 3/5.

So 0.6 can be written as the fraction 3/5 which is in lowest terms.

Image provided showing the place value chart.

6 0
3 years ago
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In the diagram below , tan theta =square root 3. What is the value of m?
vova2212 [387]

Answer:

m=\frac{\sqrt{3}}{2}

Step-by-step explanation:

we know that

In the diagram

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tan(\theta)=\sqrt{3}

Equate

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7 0
3 years ago
Use the distance formula to find the distance, to the nearest tenth, from S(5,-4) to W(-3,7)
natali 33 [55]

Answer:

Distance (d) =13.6

Step-by-step explanation:

d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}\\\\(5,-4)=(x_1,y_1)\\(-3,7)=(x_2,y_2)\\\\d=\sqrt{\left(-3-5\right)^2+\left(7-\left(-4\right)\right)^2}\\\\d=\sqrt{(-3-5)^2+(7+4)^2}\\\\d=\sqrt{(-8)^2+(11)^2}\\\\d=\sqrt{64+121}\\\\d=\sqrt{185}    \\\\d = 13.60147\dots \\\\\\d =13.6

7 0
3 years ago
190 = 200^b, make b the subject​
MArishka [77]

Answer:

b = \frac{ln190}{ln200}

Step-by-step explanation:

Using the rule of logarithms

log x^{n} ⇔ nlogx

Given

190 = 200^{b} ( take the natural log ln of both sides )

ln190 = ln200^{b} = bln200 ( divide both sides by ln200 )

\frac{ln190}{ln200} = b

3 0
3 years ago
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