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y=9x is proportional

y= 19x - 5 is non proportional.

Hope this helped

Answer:

well 4 is   proportional.  

6 is  non proportinal

Step-by-step explanation:

Answer:

33.3

Step-by-step explanation:

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Answer:

3times x =100

Step-by-step explanation:

well make the x the key of the answer

Answer:

Step-by-step explanation:

The term added which completes the square is half of the linear coefficient squared. In a quadratic ax^2+bx+c, b is the linear coefficient, so in this case the added term would be

(13/2)^2=169/4=42.25

The term 13/2 is added to complete the square.

A quadratic equation is a polynomial which has the highest degree equal to two. It is a second-degree equation of the form ax² + bx + c = 0, where a, b, are the coefficients, c is the constant term, and x is the variable.

For the given situation,

The quadratic equation is x^2 + 13x -3 = 0.

This is not the perfect square term. So we can solve this by using the completing the square method.

⇒ [tex]x^{2} +13x-3=0[/tex]

⇒ [tex]x^{2} +13x=3[/tex]

⇒ [tex]x^{2} +13x + (\frac{13}{2})^{2} =3+(\frac{13}{2})^{2}[/tex]

⇒ [tex](x+\frac{13}{2} )^{2} =3+\frac{169}{4}[/tex]

⇒ [tex](x+\frac{13}{2} )^{2} =\frac{181}{4}[/tex]

⇒ [tex]\sqrt{ (x+\frac{13}{2} )}^{2} =\sqrt{\frac{181}{4}}[/tex]

⇒ [tex](x+\frac{13}{2})[/tex] = ± [tex]\frac{\sqrt{181} }{2}[/tex]

Hence  we can conclude that the term 13/2 is added to complete the square.

Learn more about quadratic equations here

https://brainly.com/question/12014272

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Answer:

Step-by-step explanation:

So, a line segment is a piece or part of a line having two endpoints. Unlike a line, a line segment has a definite length. The length of a line segment can be measured either in metric units such as millimeters, centimeters, or customary units like feet or inches.

Answer:

y = 2 x + log ( b x ) , y

Step-by-step explanation:

here you go buddy

Answer:

it'll be 64:5

Hope this helps

Hope this helps ALL THE BEST!!

Answer :

5 )

1 - 119

2 - 61

3 - 61

4 - 119

5 - 119

6 - 61

7 - 61

6 )

3 - 102

4 - ??

5 - ??

6 - 133

7 - 47

8 - 47

9 - 133

Step-by-step explanation:

Mark me brainly

Answer:

answer is 0.09 per minute

Step-by-step explanation:

edge 2021

Answer:

Imagine skip counting by 9

<-------Negative side Positive Side------>

<-36 -27 -18 -9 -0- 9_18_27_36->

Numberline:

Answer:

.45

Step-by-step explanation:

Answer:

0.45

Step-by-step explanation:

Since 45 out of the 100 squares are shaded, it means the fraction would be 45/100 and 45/100 is equal to 0.45.

Answer:

(x+1)²-5(x-7)= area

Area= (x+1)²-5x-35

Area= x²+2x-5x+36

Area= x²-3x+36

Step-by-step explanation:

Answer:

Answer:

what are we helping with?

Step-by-step explanation:

Answer:

oh dang.. imma head out, no big brain time for me..

Step-by-step explanation:

74100

170000

36000

I believe this is right!

Answer:

[tex]y = 2[/tex]

Step-by-step explanation:

1) Divide both sides by 2.

[tex]3y - 6 = 0[/tex]

2) Add 6 to both sides.

[tex]3y = 6[/tex]

3) Divide both sides by 3.

[tex]y = \frac{6}{3} [/tex]

4) Simplify 6/3 to 2.

[tex]y = 2[/tex]

Therefor, the answer is y = 2.

Answer:

(a). ST = 15 units; (b). UV = 3 units; (c). [tex]P_{RST}[/tex] = 54 units; (d). SU = 9 units

Step-by-step explanation:

The centroid of a triangle is the intersection of the three median of the triangle.

If a median of a triangle is a perpendicular, then a triangle is an isosceles triangle.

Answer:

35 degrees

Step-by-step explanation:

for all positive angles less than 360°, if csc (2x+30°)= cos (3y-15°), the sum of x and y is?​

Let the given expression be equal to 1, hence;

csc (2x+30°)= cos (3y-15°) = 1

csc (2x+30°) = 1

1/sin(2x+30) = 1

1 = sin(2x+30)

sin(2x+30) = 1

2x+30 = arcsin(1)

2x+30 = 90

2x = 90-30

2x = 60

x = 60/2

x = 30 degrees

Get the value of y;

cos (3y-15°) = 1

3y - 15 = arccos (1)

3y - 15= 0

3y = 0+15

3y = 15

y = 15/3

y = 5

Sum of x and y;

x+y = 30 + 5

x+y = 35degrees

Hence the sum of x and y is 35 degrees

Answer:

6

Step-by-step explanation:

I just did the question

Answer:

x=71

Step-by-step explanation:

Answer:

There are 48 boys in the choir

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Answer:

Step-by-step explanation:you spel't it wrong so if im right then its b and c

8+8

16+16

32+32

Answer:

y=5x-3

Step-by-step explanation:

y=mx+b where m=slope and b= y-intercept

Answer:

127.5 square meters

Step-by-step explanation:

17 x 15=225

225/2

127.5 square meters

Answer:

1) 1.5  2) 0.5

Step-by-step explanation:

To find slope using two points like (x1,y1) and (x2,y2),  the slope is (y2-y1)/(x2-x1), so for first question (7-4)/(5-3) = 3/2 = 1.5, and same for the second question.

Answer:

Step-by-step explanation:

x/2 = 20

*2      *2     (2 cancels)

 x = 40

Answer:

x=40

Step-by-step explanation:

Answer: it’s the second one

Step-by-step explanation:

Answer:

<8

Step-by-step explanation:

<1 and <8 are alt exterior angles