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babunello [35]
2 years ago
9

In her metalwork class, Anja cut a square of

Mathematics
1 answer:
Paul [167]2 years ago
8 0

Given:

Anju cut square of tin, of edge 3.7 cm, from a larger square of edge 6.3 cm.

To find:

The area of the remaining tin.

Solution:

Area of a square is:

Area=a^2

Where, a is the edge of the square.

Area of the smaller square is:

A_1=(3.7)^2

A_1=13.69

Area of the larger square is:

A_2=(6.3)^2

A_2=39.69

The area of the remaining tin is:

A=A_2-A_1

A=39.69-13.69

A=26

Therefore, the area of the remaining tin is 26 sq. cm.

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It would be 7813.50.
3 0
2 years ago
A survey of athletes at a high school is conducted, and the following facts are discovered: 13% of the athletes are football pla
nekit [7.7K]

Answer:

The probability that an athlete chosen is either a football player or a basketball player is 56%.

Step-by-step explanation:

Let the athletes which are Football player be 'A'

Let the athletes which are Basket ball player be 'B'

Given:

Football players (A) = 13%

Basketball players (B) = 52%

Both football and basket ball players = 9%

We need to find probability that an athlete chosen is either a football player or a basketball player.

Solution:

The probability that athlete is a football player = P(A)= \frac{13}{100}=0.13

The probability that athlete is a basketball player = P(B)= \frac{52}{100}=0.52

The probability that athlete is both basket ball player and  football player = P(A\cap B) = \frac{9}{100}=0.09

We have to find the probability that an athlete chosen is either a football player or a basketball player P(A\cup B).

Now we know that;

P(A\cup B)= P(A) + P(B) - P(A \cap B)\\\\P(A\cup B) = 0.13+0.52-0.09=0.56\\\\P(A\cup B) = \frac{0.56}{100}=56\%

Hence The probability that an athlete chosen is either a football player or a basketball player is 56%.

5 0
3 years ago
lila compro cuatro pares de pantalones azules q $32 cada uno. cuánto dinero le pago lila al empleado?​
trasher [3.6K]

Answer:

128

Step-by-step explanation:

32 x 4 = 128

o

32 + 32 + 32 + 32 = 128

8 0
2 years ago
the length of a rectangular window is 5 feet more than its width, w. The area of the window is 36 square feet. Which equation co
Ksenya-84 [330]

Answer:

36 = (w+5)w = w^2 + 5w

Step-by-step explanation:

5 0
3 years ago
36% is 4.3 million of what number?
harina [27]
The correct answer is 11944444
I think....
3 0
3 years ago
Read 2 more answers
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