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3 years ago

What is 90 words in 2 minutes as a unit rate

Mathematics

2 answers:

Dmitriy789 [7]3 years ago

6 0

Answer:

Hello, Jaesuk Sakai Here!! (^^

Step-by-step explanation:

Words in 2 minutes = 90

Words in a minute = 90 / 2

= 45

So rate is 45 words/minutes

Happy to Help~ jaesuk sakai!

Gemiola [76]3 years ago

3 0

Answer:

Levi saved 3/5 of the amount he needs to buy a 75 dollar video game. he earns 7.50 per hour working at the pizza shopping town how many hours will he need to work to pay for the rest of the game show all of your work to solve this problem explain the Steps you used! thank you 6th grade form please

Step-by-step explanation:

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If f(x)= 2x-7, what is the equation for f^-1(x)

Citrus2011 [14]

F^-1(x)= (x+7)/2
it's the inverse so adding is subtracting and multiplication is divison

4 0

3 years ago

there are 13 animals in the barn. some are chickens and some are goats. there are 48 legs in all. how many of each animal are th

romanna [79]

Answer:

Step-by-step explanation:

chickens + goats = 13

so...

c + g = 13, so...

g = (13 - c)

2 legs times the number of chickens (2c) + 4 legs times the number of goats (4g) = 48 total legs. So...

2c + 4(13-c) = 48, so

2c + 52 - 4c = 48, so

-2c = -4, so

2c = 4, so

c = 2.

There are 2 chickens, and therefore 11 goats.

5 0

3 years ago

If the sum of the interior angle of a polygon is 1800 how many sides does it have

Verdich [7]

Answer: 12 sides

Step-by-step explanation:

The sum of the interior angles of a polygon is 180(n-2), where n is the number of sides

$180(n-2)=1800\\\\n-2=10\\\\n=12$

6 0

2 years ago

Find the volume 14.2 mm 12 mm 8.5 mm

irga5000 [103]

Answer:

1,448.4 mm.

Step-by-step explanation:

Volume is the length, width, and height multiplied together.

14.2 mm x 12 mm x 8.5 mm = 1,448.4 mm^2.

8 0

3 years ago

Read 2 more answers

Need help with Calculus 1 inverse trig functions

lidiya [134]

Answer:

$\displaystyle y'=3\frac{1+\frac{x}{\sqrt{1+x^2}}}{2+2x^2+2x\sqrt{1+x^2}}$

Step-by-step explanation:

The Derivative of a Function

The derivative of f, also known as the instantaneous rate of change, or the slope of the tangent line to the graph of f, can be computed by the definition formula

$\displaystyle f'(x)=\lim\limits_{\Delta x \rightarrow 0}\frac{f(x+\Delta x)-f(x)}{\Delta x}$