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Rudiy27
3 years ago
12

Noah planned a parallelogram-shaped sidewalk to lead from the street to the front door of his house. He realized the walkway was

too short and he needs to change the length to 72 feet. He wrote a ratio to find the change in the scale factor. 24 ft 72 ft = The change in the scale factor is . The change of scale means that 1 inch represented feet, but now 1 inch represents feet.

Mathematics
2 answers:
nekit [7.7K]3 years ago
8 0

Answer:

Step-by-step explanation:

8090 [49]3 years ago
8 0

Answer:

part one 1/3 second part is 8 last part is 24

Step-by-step explanation:

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How do you identify if the equation is linear, exponential, or quadratic?
Naddika [18.5K]

Answer:

It's form. Linear is a normal line, exponential is a curvy line, and quadratic is a u shape with the vertice on the y-axis line, making half of the u on the left quadrant and the other half on the right quadrant

Step-by-step explanation:

first is linear, second is exponential and third is quadratic

8 0
3 years ago
Read 2 more answers
GUYS PLEASE HELP
Volgvan

Answer:

10 minutes

Step-by-step explanation:

Since you can do 6 flyers each minute, the rate would go at 6x, with x being minutes. You initially did 80, so the equation for you would be y=6x+80.

Your friend's equation would be y=4x+100, because he initially had 100 done and is now getting 4 done per minute.

If you put the 2 equations in your calculator, the intersection will happen at x=10, showing that you and your friend will have an equal number of flyers at 10 minutes.

3 0
3 years ago
What is the difference?<br> x2 - 2x-15<br> x2+2x-35
omeli [17]

Answer:

<h3>x^2+3x-12/(x+3)(x-5)(x+7) </h3>

Step-by-step explanation:

<h3>D</h3>
3 0
3 years ago
Which of the following shows the factors of 9x2 + 3x - 2?
Paha777 [63]
C. (3x+1)(3x-2) 3x times 3x= 9x^2 and 3x times -1= -3x
2 times 3x= 6x and 2 times -1= -2
9x^2- 3x+6x-2
9x^2+3x-2
Hope I explain this more clearly for you.
4 0
3 years ago
A circle passes through the vertices of a square of side 20cm.Find the radius of the circle.
algol13

Answer:

14,1 cm

Step-by-step explanation:

If a circle passes through the vertices of a square then the diagonal of a square is a circle diameter.

We use Pytagoras Theorem to find out the length (L)  of the diagonal given that:

L²  =  (20)²  +  (20)²

L²  = 2* (20)²

L  = √2 * 20

L  = 1,4142* 20

L = 28,28 cm

L diagonal in the square is a diameter of the circle then radius of a circle is:

r = L/2   ⇒   r  = 28,28 /2   ⇒   r = 14,14 cm

3 0
2 years ago
Read 2 more answers
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