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snow_lady [41]
4 years ago
11

Mrs. Robinson is riding the stationary bike at the gym. She completes 24 9/10 wheel rotations every 1/5 minute. What is Mrs. Rob

inson's unit rate in rotations per minute?
Mathematics
1 answer:
sweet [91]4 years ago
5 0

24 9/10 x 5 
124.5 rotations/minute
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Help me with this! i am confuseddddddd!!
Sonbull [250]

Answer:

73.5 cm^{2}

Step-by-step explanation:

The shaded area is in the shape of a trapezoid, so to find the area all we have to do is use the formula

A = \frac{a + b}{2} h , where <em>h</em> is height, <em>a</em> is base 1, and <em>b</em> is base 2.

Plugging in the values, work on solving this equation:

A = \frac{(9) + (12)}{2}(7)

---------------Math Skip---------------------

We should be left with

A = \frac{21}{2}(7) = 10.5 (7) = 73.5 cm^{2}

7 0
3 years ago
A submarine is at the surface of the ocean, preparing to dive. it submerges and dives -993 ft. then it ascends 308 ft to avoid h
Sonbull [250]

Answer:

\text{D. -685}

Step-by-step explanation:

Let the submarine's initial position be 0. After diving 993 feet, its position will be -993 ft. The submarine then ascends 308 feet, meaning its final position will be -993+308=\boxed{-685}.

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3 years ago
If you multiply (2x+1)(x-5) what’s the answer
photoshop1234 [79]

Answer:

2x^2 - 9x - 5

Step-by-step explanation:

(2x+1)(x-5)

Using FOIL

= 2x^2 - 10x + x - 5

= 2x^2 - 9x - 5

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abruzzese [7]
10. -1,-6
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Answer:

98 cm

Step-by-step explanation:

Abcd we free is the answer

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