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jok3333 [9.3K]
2 years ago
15

What is the constant of proportionality in the equation 3y=2x

Mathematics
1 answer:
I am Lyosha [343]2 years ago
4 0

Answer :The constant of proportionality is  K = 2/3

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Find the measures of the four numbered angles
Genrish500 [490]
First, find out x
x+15+2x+15=180
3x+30=180
3x=150
x=50
so the two angels are x+15=65(let's name is ∠5 for convenience), and ∠6= 2x+15=115
notice the two inner lines are marked as congruent, so 
∠4=∠5=65
∠1=180-∠4-∠5=180-65-65=50
Name the right bottom angle ∠7, ∠3=∠7 and ∠3+∠7=the exterior angle 100 degree, therefore, ∠3=50
∠2+∠3=∠4, therefore, ∠2=∠4-∠3=65-50=15
∠1=50, ∠2=15, ∠3=50, ∠4=65
5 0
3 years ago
Make a the subject of a2+b2=c2
wel

Answer:

a=\sqrt{c^2-b^2

⇒ a=\sqrt{(c+b)(c-b)}        [Factorized form]

Step-by-step explanation:

Given expression:

a^2+b^2=c^2

We need to make a the subject.

In order to do that we need to solve the expression for a in terms of b and c

We have,

a^2+b^2=c^2

Subtracting both sides by b^2

a^2+b^2-b^2=c^2-b^2

a^2=c^2-b^2

Taking square root both sides in order to remove square of a

\sqrt{a^2}=\sqrt{c^2-b^2}

a=\sqrt{c^2-b^2

The difference of squares can be factorized and written  as:

a=\sqrt{(c+b)(c-b)}    [difference of squares x^2-y^2=(x+y)(x-y) ]

4 0
3 years ago
A box contains 276 apples.how many apples can be packed in 175 such boxes multiplication
gulaghasi [49]

276x175=48300 apples

5 0
2 years ago
This unit focused, in part, on relationships in triangles. A triangle is the simplest type of
Elena-2011 [213]

Answer:

triangles have a specific geometric shape.Because they have three sides, the pythagorean theorem for right angled triangle.

7 0
2 years ago
What is 49 to the 1/2 power
djyliett [7]
 , (49)^1/2 we can write it as square root of 49 , and also the square root of 49 is 7
5 0
3 years ago
Read 2 more answers
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