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3 years ago

7

As a table tennis tournament, two games went on for a total of 32 minutes. One game took 12 minutes longer than the other. How l

ong did it take to complete each game? Use letters to represent the unknowns. Solve the problem.

1 answer:

harina [27]3 years ago

3 0

Multiply it and you get the answer

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(8z^8/4z^4)^-4 please help me to solve this

Anni [7]

8 / 4 = 2 ;
z^8 / z^4 = z^4 ;
then, 8z^4 / 4z^4 = 2z^4 ;
finally, ( 8z^4 / 4z^4 )^ -4 = ( 2z^4 )^ - 4 = 1 / ( 2z^4 )^4 = 1 / [ 2^4 * ( z^4 )^ 4 ] = 1 / ( 16 * z^16 )

4 0

3 years ago

Please i need help :(

Nezavi [6.7K]

Answer:

37 units

Step-by-step explanation:

$\boxed{distance = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }}$

Using the distance formula above,

distance between (15, -17) and (-20, -5)

$= \sqrt{[15 - ( - 20)]^{2} + [ - 17 - ( - 5)] {}^{2} } \\ = \sqrt{(15 + 20)^{2} + ( - 17 + 5)^{2} } \\ = \sqrt{35 ^{2} + ( - 12) {}^{2} } \\ = \sqrt{1225 + 144} \\ = \sqrt{1369} \\ = 37 \: units$

7 0

2 years ago

Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

Anna [14]

The shaded areas add to 2/5 of the area of the circle, which is given by
A = πr²

Then the shaded area is ...
(2/5)A = (2/5)π(10 in)²
shaded area = 40π in²

7 0

3 years ago

Which juice container is larger: 2l or 1 gal?

tangare [24]

The conversion between Litres and gallons is about 4L/gal,
so 2L * 1gal/ 4L = 1/2 gal
The 1 gal is about twice as large

4 0

3 years ago

Read 2 more answers

In the morning a tank cntained 10 litres of water.At lunch time it contained 7 litres of water.What percentage of water was used

iren [92.7K]

Answer:

30%

Step-by-step explanation:

10-7=3

3/10×100

=30%

7 0

2 years ago