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Bess [88]
3 years ago
14

Alex completed 40% of a 50 question assignment how many questions did she complete

Mathematics
2 answers:
mestny [16]3 years ago
8 0
0.4×50=20, good luck!
Liula [17]3 years ago
5 0
20 questions completed
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6x - 5 = 2 Times 3x + 4
Simora [160]

Answer:

no solution

Step-by-step explanation:

u cant multiply when there is an equal

5 0
4 years ago
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Please answer I will mark you Brainiest A cheetah runs at 65 miles per hour. Which equation represents his speed if y is the
Pepsi [2]

Answer:

x=65x

Step-by-step explanation:

This is because he is running 65 miles an hour and x is hours. Y= how far he runs so you would have to use this equation to see how far he goes.

5 0
3 years ago
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Explain the answer please
valentina_108 [34]
The area of a square is the square of the length of its side. Here, we're told that the side of each square is equal to the radius (r) of the circle. Then the area of each square is
.. Asquare = r^2
There are 3 of them, so their total area is
.. Aall_squares = 3*r^2

The area of a circle is given by the formula
.. Acircle = π*r^2 . . . . . where r represents the radius of the circle

Fernie wants to compare the area of the 3 squares to that of the circle. We know that the value of π is about 3.1416, a little more than 3, so we have
.. Aall_squares = 3*r^2
.. Acircle ≈ 3.1416*r^2

We notice that 3.1416 is more than 3, so the area of the circle is greater than the area of Fernie's 3 squares.


___
It is not clear to me that Fernie's drawing will explain the formula A = π*r^2, unless it can somehow be used to show that the parts of each square that are outside the circle add up to an amount that is slightly less than the uncovered part of the circle.
8 0
3 years ago
20 POINTS!!!!WILL MARK AS BRAINLIEST HELP ME!!!!!!!!PLEASE!!!!!!!!!!
vladimir2022 [97]
I know that is q I proved it am sourious
3 0
3 years ago
How many 25cm pieces of wires can<br>be cut out from a wire of length 4<br>metres?​
Over [174]

Answer:

16

Step-by-step explanation:

4 meters is 400 centimeters and 400/25 is 16 so you can cut 16 pieces of 25cm wire from 4 meters of wire.

6 0
3 years ago
Read 2 more answers
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