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bonufazy [111]
3 years ago
7

A cyclist travels 9 miles in 45 minutes. What is his average speed in mph?

Mathematics
1 answer:
galben [10]3 years ago
6 0

45 minutes = 3/4 hour

so the cyclist's average speed is

(9 miles) / (45 minutes) = (9 miles) / (3/4 hour) = 36/3 mph = 12 mph

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What is the volume of the prism?
mezya [45]

Answer:

40 \frac{5}{8} cm^{3}

Step-by-step explanation:

The figure is a rectangular prism, so the formula would be Volume = length x width x height.

length =  6 \frac{1}{2} cm

width  =  2 \frac{1}{2} cm

height  =  2 \frac{1}{2} cm

If you plug everything you have in the problem into the volume equation, you would get : Volume = 6 \frac{1}{2} cm x 2 \frac{1}{2} cm x 2 \frac{1}{2} cm.

Without a calculator, I would first turn the mixed numbers into improper fractions.

  • 6 \frac{1}{2}  = \frac{13}{2}
  • 2 \frac{1}{2} = \frac{5}{2}

Volume = \frac{13}{2} x  \frac{5}{2} x  \frac{5}{2}

When you multiply everything together you should get \frac{325}{8}.

As a mixed number, that would be 40 \frac{5}{8} cm^{3}.

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3 years ago
Simplify 15.6 divided by negative 3. . (5 points)
worty [1.4K]

Answer: -5.2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP 10 POINTS and please explain -32.48-(14.014)
Ostrovityanka [42]

-32.48-(14.014)

- (32.48 + 14.014)

add 32.48 +14.014 by lining up the decimal

 32.48

+ 14.014

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46.494

then bring back the negative

-(46.494)

Answer: -46.494

5 0
3 years ago
HELP ME LLEASE WUIZ OMG WHAT ARE THE CORDS? 30 points
wariber [46]

Answer: -1/2 and 1/3

Step-by-step explanation:

3 0
3 years ago
Can someone help me with these please?
saul85 [17]

Point-slope form: y-y1 = m(x-x1)

Standard form: ax + by = c

Slope-intercept form: y = mx+b


Start by finding the slope. We know it is negative since the line is decreasing. The slope is -4/3.


To create point-slope form, we need to get one point from the graph. Let's use (3,0).

y = -\frac{4}{3}(x-3)


To create slope-intercept form, we need the slope and the y-intercept. The y-intercept is the point where our equation crosses the y-axis. For this equation, it is 4.

y = -\frac{4}{3}x + 4


To get standard form, solve the equation in terms of C.


Point-slope form: y = -4/3(x-3)

Slope-intercept form: y = -4/3x + 4

Standard form: 4/3x + y = 4



7 0
3 years ago
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