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3 years ago

230 kids took a survey and 111% like gym how many kids like gym

Mathematics

1 answer:

satela [25.4K]3 years ago

8 0

Answer:

255.3 people

If you mean 11%, then:

25.3 people

Step-by-step explanation:

$\frac{y}{230} :\frac{111}{100}$

y × 100 = 230 × 111

100y = 25530

100y ÷ 100 = 25530 ÷ 100

y = 255.3

If you mean 11%, then:

$\frac{y}{230} :\frac{11}{100}$

y × 100 = 230 × 11

100y = 2530

100y ÷ 100 = 2530 ÷ 100

y = 25.3

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When three squares are joined at their vertices to form a right triangle, the combined area of two smaller squares is the same a

Artist 52 [7]

Answer:

b = 12 cm

Step-by-step explanation:

The Pythagora's Theorem

The area of a square of side length x is

$A = x^2$

We have three squares, two of which have side lengths of a=5 cm and b= 13 cm.

The combined area of the smaller squares is the same as the area of the largest square. We cannot say at first sight which square is the largest, we'll assume the square of side length of 13 cm is the largest one. Thus:

$5^2+b^2=13^2$

Where b is the unknown side length.

The above expression corresponds to the Pythagora's Theorem formula. Solving for b:

$b^2={13^2-5^2=169-25=144$

$b=\sqrt{144}$

b = 12 cm

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3 years ago

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3 years ago

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line passes through the point (-3,-4) and its y-intercept is (o, -9). What is the equation of the line that is parallel to the f

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Answer:

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