2 years ago

Need urgent help with this math

Mathematics

1 answer:

mash [69]2 years ago

6 0

Answer:

i need points so i am answering

Step-by-step explanation:

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In circle C, r = 32 units.

lawyer [7]

Answer:

the area of a circle is $\pi$ rsqr

32 x 32 =1024 $\pi$

Step-by-step explanation:

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2 years ago

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Tell whether the two rates form a proportion:<br> 35 cars in 5 days<br> 60 cars in 10 days

monitta

Yes they both are proportional. you can do 7 cars each day for 5 days. and then you can do 6 cars a day for 10 days

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2 years ago

Point J has coordinates (10,8). The midpoint of the line segment JK is (6,12).

tester [92]

The answer is D (14 4)

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2 years ago

Simplify the expression -1/2(-5/6 +1/3) thank you :)

dybincka [34]

Answer:

1/4

Step-by-step explanation:

-1/2(-5/6 +1/3)

PEMDAS

parentheses first

(-5/6 +1/3)

Get a common denominator

-5/6 + 1/3 *2/2

-5/6 + 2/6 = -3/6 = -1/2

Substitute this back in

-1/2 ( -1/2)

Multiply

1/4

8 0

3 years ago

A person is canoeing on a river. Her overall speed is 3.4 mile(s) per hour up river and 5.6 mile(s) per hour down river. Find th

PIT_PIT [208]

Answer:

a) $v_{river} = 1.1\,mph$ , b) $v_{person} =4.5\,mph$

Step-by-step explanation:

Overall speeds up river and down river are modelled by following expressions:

Up River

$-3.4\,mph = v_{river} - v_{person}$

Down River

$5.6\,mph=v_{river} + v_{person}$

After some algebraic manipulations, speeds are found:

$v_{river} = 1.1\,mph$

$v_{person} =4.5\,mph$

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2 years ago