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Mathematics

1 answer:

pychu [463]3 years ago

7 0

Answer:

645π/2

Brainlist please :)

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Which set of angles could be the interior angles of a triangle? O A. 10° 20°, and 60° B. 20°. 20°, and 50° C. 209.30'. and 50° D

oee [108]

Answer is D because it adds to 180

7 0

3 years ago

The architects side view drawing of a saltbox-style house shows a post that supports the roof ridge. The support post is 10 ft t

pochemuha

These calculations are based on the drawing of the file enclosed.

There are three right triangles.

From the big right triangle:

a^2 + b^2 = 25^2

From the small right triangle on the left side:

(25-x)^2 + 10^2 = a^2

From the small right triangle on the right side

x^2 +10^2 = b^2

=> (25-x)^2 + 10^2 + x^2 + 10^2 = a^2 + b^2

=> (25-x)^2 + 10^2 + x^2 + 10^2 = 25^2

=> 25^2 - 50x + x^2 + 10^2 + 10^2 = 25^2

=> x^2 -50x + 100 =0

Use the quadratic formular to find the roots:

x = 2.1 and x = 47.9

Distance from back: 25 - 2.1 = 22.9 ft

Answer: 22.9 ft

8 0

3 years ago

Read 2 more answers

Number on the Cube Number of Times Rolled

Natasha2012 [34]

Total number of times cube was rolled = 100.
Total number of times a 6 was rolled = 27.
Probability of rolling a 6 = $\frac{27}{100}$
Total number of times coin was tossed = 100.
Total number of times a head was tossed = 41.
Probability of tossing a head = $\frac{41}{100}$
Therefore, probability of rolling a 6 and tossing a head = $\frac{27}{100}\times\frac{41}{100}=\frac{1107}{10000}$

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3 years ago

The quotient of m and 7

pochemuha

The expression would me m / 7 or m and 7 as a fraction. M is on the top

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2 years ago

You have a litre bottle of water and drink 375 millilitres.<br><br> How much is left?

enot [183]

Answer:

625 millilitres

Step-by-step explanation:

1 litre = 1000 millilitres

Left -> 1000 millilitres - 375 millilitres = 625 millilitres

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3 years ago