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Butoxors [25]
4 years ago
7

What is the pythagorean theorem?

Mathematics
2 answers:
Marina86 [1]4 years ago
7 0

Answer:

Pythagorean theorem - theorem that states that the sum of the squares of the two legs is equal to the square of the hypotenuse in a right triangle

Natalija [7]4 years ago
5 0
Easy,

the Pythagorean theorem is:

a^{2} + b^{2} = c^{2}

The a and b, being a value that you HAVE

and

c, being the value you are trying to find.

Example: have 1,2 for a triangle what is the third side?

1^{2} + 2^{2} = c^{2}

1+4=c^{2}

5=c^{2}

Then, just square root to find c.

\sqrt{5}=c

2.2≈c
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If P(a)=0.60 and P(b)=0.30, then a and b are independent events if
MariettaO [177]

Answer: \text{P(A or B)}=0.90

\text{P(A and B)}=0.18

Step-by-step explanation:

Given : P(A)=0.60 and P(B)=0.30

We will say A and B are independent events if :

\text{P(A or B)=P(A)+P(B)}\\\\=0.60+0.30=0.90

\text{P(A and B)=P(A) x P(B)}\\\\=0.60\times0.30=0.18

Thus , A and B are independent events if :

\text{P(A or B)}=0.90

\text{P(A and B)}=0.18

4 0
4 years ago
Read 2 more answers
Judging by appearance, is it reasonable to say that the figures below are similar? How do you know?
mamaluj [8]

Answer:

C

Step-by-step explanation:

the proportions all seem to stay the same, so while the second figure is smaller, all parts of the figures seem to follow the same scaling factor.

there are 8 isoceles triangle "rays" emanating from a central circle in both figures. so, also the main characteristics are the same.

the smaller figure appears rotated compared to the other.

so, it was rotated and then dilated (or vice versa, as the sequence of these 2 operations is irrelevant).

4 0
2 years ago
1/7 divided by blank equals 14
kherson [118]

Answer:

1/98

Step-by-step explanation:

Step 1: Translate statement into equation.

  • \frac{1}{7}/x = 14
  • \frac{1}{7x}=14

Step 2: Multiply both sides by 7x.

  • \frac{1}{7x} * 7x = 14 * 7x
  • 1 = 98x

Step 3: Divide both sides by 98.

  • \frac{1}{98} =\frac{98x}{98}
  • x = \frac{1}{98}

Step 4: Check if solution is correct.

  • \frac{1}{7}/\frac{1}{98}
  • \frac{1}{7}*98
  • 14

Therefore, the answer is 1/98.

3 0
2 years ago
35% off a phone = £78 how much was the phone before the discount prices?
Diano4ka-milaya [45]

Answer:

£120

Step-by-step explanation:

Given that

The price after reduction = £78

So, 65% = £78.

We have to calculate 100 %

To do so, find 5% and multiply that by 20

65% = £78

5% = 78/13 = £6

So, 100% = 6 x 20 = £120

Hope this helps.

Good Luck

Please mark brainiest

7 0
3 years ago
A rectangle has length 10 feet and width 6 feet. It is enlarged to a similar rectangle with length 18 feet. What is the new widt
olga_2 [115]

Answer:

The new width of the rectangle is 10.8 feet.

Step-by-step explanation:

Given:

Length of a rectangle 10 feet and width 6 feet. Length of the enlarged 18 feet.

Now, length of small rectangle (l) = 10 feet, width of small rectangle (w) = 6 feet, length of enlarged rectangle (L) = 18 feet and let the width of enlarged rectangle  = x.

When enlarging the first rectangle, will be maintaining the aspect ratio of the first rectangle. The rectangles representing the outer edges of the first and enlarged rectangles will be similar. Using this fact, we can set up a proportion and solve.

So,

10:6::18:x

\frac{10}{6} =\frac{18}{x}

Multiplying with x on both the sides we get,

\frac{10x}{6}=18

Multiplying with 6 on both sides we get,

10x=108

And, now dividing by 10 on both the sides we get the width,

x=10.8

Width = 10.8 feet.

Therefore, the new width of the rectangle is 10.8 feet.

6 0
4 years ago
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