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tamaranim1 [39]
3 years ago
15

The hypotenuse of a right triangle measures 15 cm and one of its legs

Mathematics
2 answers:
expeople1 [14]3 years ago
8 0

Answer:

14.1 I hope this helps! Brainliest please!

Step-by-step explanation:

So we use the Pythagorean theorem which is a squared + b squared = c squared. C is the hypotenuse. So we do:

15 squared - 5 sqaured = b squared

225 - 25 = b squared

200 = b squared

14.1 = b

andrew11 [14]3 years ago
6 0

Answer:

√200 or 14.1

Step-by-step explanation:

Pythagoras' Theorem: a²+b²=c²

Rearrange to get b² (one of the smaller sides): c²-a²=b²

225-25=200

√200 = 14.1

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Rewrite the equation below so that it does not have fractions.<br> 4 - 2/3x = 5/6
Lostsunrise [7]

Answer:

I think it's 19/4 because I looked it up and that's what it said

6 0
3 years ago
ABCDEFGHI is a regular 9-sided polygon.
Igoryamba

Answer:

angle BEF = 100 degrees

Step-by-step explanation:

For a regular 9-sided polygon (nonagon),

each exterior angle = 360/9=40 degrees

each interior angle = 180-40 = 140 degrees.

Referring to diagram, in the trapezoid (trapezium) BCDE, the base angles are 180-140 = 40 degrees.

Therefore angle DEB = 40 degrees

that leaves BEF = 140-40 = 100 degrees

6 0
3 years ago
We want to solve the following system of equations using the substitution method.
inna [77]
In the second equation you are given what Y equals, which is (-5x - 3). You would use this equation and plug it into the y value given in the first equation where it says 2y and solve

That would be

3x - 2(-5x - 3) = -6
3x + 10x + 6 = -6
3x + 10x = -6 - 6
13x = -12
X = -12/13

Then if you want to solve for Y you can use any equation and plug in the x-value found.

I’m going to use equation 2.

Y = -5x - 3
Y = -5(-12/13) - 3
Y = 4.615 - 3
Y = 1.615

(-12/13, 1.615)

Therefore the x-value is -12/13 and the y-value is 1.615.
5 0
2 years ago
Please answer this correctly
motikmotik

Answer:

50\%, \: 40\%, \: 10\%

Step-by-step explanation:

150:120:30

5:4:1

\frac{100}{5+4+1}

=\frac{100}{10}

=10

5 \times 10:4\times 10:1\times 10

50:40:10

5 0
3 years ago
Read 2 more answers
Will the sides 7,10,16 form a triangle??
andre [41]

Answer:no

Step-by-step explanation:

The lengths of 2 sides of a triangle cannot add up to be greater than the hypotenuse or the 3rd larger side :)

5 0
3 years ago
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