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lisabon 2012 [21]
3 years ago
12

The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is three time

s the measure of the first angle. The third angle is fifteen more than the second. Find the measures of the three angles.
using Systems of Linear Equations with Three Variables
Mathematics
1 answer:
Nat2105 [25]3 years ago
4 0

Answer:

KJslDKSLADJKLJALKJDLKDLKAsdmjklLkLKLKSLKSLKSKLSJSSJLKJLAJDJLDKJDLSJDLSAJALDLKASJLAS

Step-by-step explanation:

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How do I write the equation of<br> Through(-2,-3),slope=-2
garri49 [273]

Answer:

y= -2x-7

Step-by-step explanation:

Start with the linear equation formula.

y= mx+b

identify what you already have.

x= -2 and y= -3 m(slope)= -2

we are trying to find b, so plug in what you have.

-3=-2(-2)+b

simplify.

-3= 4+b

subtract 4 on both sides.

-7= b

set up your equation without the x and y value.

y= -2x-7

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Which set of numbers are closed under subtraction?
skad [1K]
The set of numbers that provide closure under subtraction are Integers
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3 years ago
Please help with this dilation
GaryK [48]

Answer:

k= 1/4 m=16

Step-by-step explanation:

7 over 28 is 1/4 and 4 times 4 is 16

5 0
3 years ago
A person is listening to a 500 Hz tone sitting from a distance of 450 m from the sound source. What is the time interval between
iragen [17]

Answer:

So, the time interval between successive compression from the source is 0.002 seconds.

Step-by-step explanation:

Given that,

Frequency of the tone, f = 500 Hz

It is sitting at a distance of 450 m from the source of sound, d = 450 m

Let t is the time interval between successive compression from the source. We know that the relation between the frequency and the time period is :

T=\dfrac{1}{f}T=\dfrac{1}{500}\\\\T = 0.002 s

<h3>So, the time interval between successive compression from the source is 0.002 seconds.</h3>
8 0
3 years ago
PLZ HELP !!!!! in the diagram, assume that y=7. find z and z
dem82 [27]

The answer is of this question is B.

4 0
3 years ago
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