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Zepler [3.9K]
3 years ago
14

When comparing proportional relationships, is important to

Mathematics
1 answer:
kondaur [170]3 years ago
4 0

Answer:A. Identify the rate of each scenario.


Step-by-step explanation: You want to find the unit rate of the problem for example If you have 4 tickets to go to a game each ticket cost 5$ what is the rate(must divide)


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12. What is the measure of angle J in the triangle below? Drawing is not to scale. (1 point)
9966 [12]

Answer: D. 48 degrees.

Step-by-step explanation:

6 0
2 years ago
Factorise x squared + 4x + 3 ​
olganol [36]
<h3>Answer:  (x+1)(x+3)</h3>

===================================================

Explanation:

Let's assume it factors into (x+a)(x+b)

The goal is to find the two numbers a and b.

FOIL out (x+a)(x+b) to get x^2+(a+b)x+ab

Note how a+b is the middle term and ab is the last term.

In the original expression, 4 is the middle term and 3 is the last term.

So we need to find two numbers that

  • add to 4
  • multiply to 3

There are two ways to multiply to 3 and they are

  • 1 times 3 = 3
  • -1 times -3 = -3

But only the first way has the factors add to 4. So that means a = 1 and b = 3.

Therefore (x+a)(x+b) = (x+1)(x+3)

And x^2+4x+3 = (x+1)(x+3)

8 0
3 years ago
a garden is in the shape of a square with a perimeter of 60 feet. the garden is surrounded by two fences. one fence is around th
Anon25 [30]

Answer: The total cost of the fences=$165.6

Step-by-step explanation:

Let a = the length of the side if the square.

The perimeter of the square is 60 ft

                                   4a = 60ft

divide both sides by

                                  4a = 60/4

                                    a = 15 ft

The garden is surrounded by two fences, one fence is around the perimeter of the garden, whereas the second fence is 3 feet from the first fence on the outside

Expand to get:

                               4*a + 4(a + 2*3)

Replace a with 15 to get:

                         =  4*15 + 4(15 + 6) 60 + 4(21) 60+84

                         = 144ft

The cost of the fence is $1.15 per foot

The cost of 144 ft fence will be:

                       = 144*1.15

                       = $165.6

Learn more about event correlation here: brainly.com/question/1333555

#21165

7 0
1 year ago
What equation could generate the curve in the graph below
Marianna [84]

Answer:

A

Step-by-step explanation:

We know the y intercept is positive so that eliminates choice D.

y = 3x^2 -2x+1

This does not intercept the x axis

y = 3x^2 -6x+3

= 3(x^2 -2x+1)

3(x-1)^2

This intercepts the x axis at 1

This is not the equation for the graph

y = 3x^2 -7x+1

Let x = 1

y = 3-7+1

  = -3

This will cross the x axis, so this cannot be the graph

5 0
3 years ago
The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s
Stolb23 [73]
I was told the answer was 375mm3 

6 0
3 years ago
Read 2 more answers
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