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2 years ago

Pythagorean Theorem Determine the length of the missing side?

Mathematics

2 answers:

Naily [24]2 years ago

6 0

The answer should be 12.2
7^2+10^2=c^2
49+100=c^2
149=c^2
12.2=c

AnnyKZ [126]2 years ago

3 0

Answer:

c= sqrt149; 12.2 rounded

Step-by-step explanation:

Pythagorean Theorem to find c(hypotenuse): a^2+b^2=c^2

7^2+10^2=149

sqrt149= 12.2 rounded

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Simplify (7x2 - 2x + 9) + (3x2 + 15x – 4).

VikaD [51]

Hey! Your answer for this is

7x^2 + 3x^2 = 10x^2

-2x + 15x = 13x

9 - 4 = 5

Hence, 10x^2 + 13x + 5.

Hope this helps!

5 0

3 years ago

Read 2 more answers

which a and b family both have 8 people in there family. The ages of each term is listed below which which state meant is correc

Gwar [14]

Answer:

Family a because it is more chronological

Step-by-step explanation:

4 0

2 years ago

What is the average (arithmetic mean) of the first 90 measurements in a certain list of 92 measurements? (1) the average of the

marishachu [46]

The sum of all the measurements is just the average times the number.

$\bar x = \frac{1}{n} \sum_{i=1}^n x_i$

$\sum_{i=1}^n x_i = n \bar x$

So if the average of all 92 is 7 the sum of those is $92 \times 7$

The average of the last two is 7.2 so their sum is $2 \times 7.2$

That means the sum of the first 90 is $92 \times 7 - 2 \times 7.2$

so the average of the first 90 is

$\dfrac{92 \times 7 - 2 \times 7.2}{90} = 6.99556$ cm

7 0

2 years ago

Ng ne Volume of a Cone

AnnyKZ [126]

Answer: height = 6, radius = 8, Volume = 401.92

Explanation:
Height = 6 given

Find radius:

Use Pythagorean’s theorem to find the side of the right triangle:

a^2 + b^2 = c^2
b^2 = c^2 - a^2
b^2 = 10^2 - 6^2
b^2 = 100-36
b^2 = 64
b = 8

And since length b is also the radius of the circle then radius = 8

Find volume:

V = pi x r^2 x h/3

V = 3.14 x 8^2 x 6/3

V = 3.14 x 64 x 2

V = 401.92

6 0

2 years ago

Help please ! I’m stuck

Troyanec [42]

Y=1x-10 (sorry I could be wrong)

4 0

2 years ago