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Sergeu [11.5K]
3 years ago
6

What is the first step when rewriting y = 3x2 + 9x - 18 in the form y = a(x h)^2 + k?

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

Step-by-step explanation:

y = 3*2 + 9x - 18

First step in this case is to multiply 3 * 2 = 6.

Then you would have: 6 + 9x - 18

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Eli needs pieces of ribbon cut into strips that are 2 1/2 feet long. The roll of ribbon is 7 1/2 feet long. Which expression cou
Lady bird [3.3K]

3 strips of 2.5 feet can be cut from the 7.5 feet long roll of ribbon.

Step-by-step explanation:

<u>DATA:</u>

Length of strips Eli need is 2.5 feet long

Length of roll of ribbon is 7.5 feet long

Number of strips that can be cut from the 7.5 feet long roll is x

<u>SOLUTION:</u>

To determine how many strips can be cut, divide total length of roll of ribbon by the length of strips needed.

Number of strips that can be cut = \frac{Total Length of roll}{Length of strips needed}

x = \frac{7.5}{2.5}  (expression)

x = 3 strips

Therefore, 3 strips of 2.5 feet can be cut from the 7.5 feet long roll of ribbon.

Key words: fraction

Learn more about fractions at

  • brainly.com/question/1757979
  • brainly.com/question/1312102
  • brainly.com/question/1648978

#LearnwithBrainly

4 0
3 years ago
8 students have 3/4 if a cake how much will each student get if they split it evenly
velikii [3]
Each student gets 1/8 of the cake.

we multiply 1/8 and 3/4. To do that we multiply the numerators together and the denominators together. This gives (1*3)/(8*4) =3/32 of the cake
5 0
3 years ago
Read 2 more answers
Find the area of the polygon with vertices of A(2, 2), B(2, 7), C(8, 7),<br> and D(4, 2)
elena-s [515]

Answer:

<em>20 units²  </em>

Step-by-step explanation:

7 0
2 years ago
How many 2/3 cup servings are there in a container that holds 7 cups?
avanturin [10]

Answer:

10.5

Step-by-step explanation:

4 0
3 years ago
At a resting pulse rate of 75 beats per minute, the human heart typically pumps about 73 mL of blood per beat. Blood has a densi
Kaylis [27]

Answer:

There is approximately 5.475 liters of blood in the body.

Step-by-step explanation:

At a resting pulse rate of 75 beats per minute, the human heart typically pumps about 73 ml of blood per beat.

73 ml in liters = 73\times0.001=0.073 liters

Now, 75 beats/min x  0.073 liters/beat  = 5.475 liters/min

And 5.475 liters/min x 1 min/body = 5.475 liters/body

Hence, there is approximately 5.475 liters of blood in the body.

7 0
3 years ago
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