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arsen [322]
2 years ago
8

Find the value of c that completes the square for the function f(x)= x2 + 4x + C.

Mathematics
1 answer:
nydimaria [60]2 years ago
7 0

Answer:

=  - 4 \times 2 + 4 \times ( - 4) + c \\   = - 8  - 16 + c \\  = 24 + c \\  \frac{ - c}{ - 1}  =  \frac{24}{ - 1}  \\ c =  - 24

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kompoz [17]

Answer:

still cant see it sjwjejie

4 0
2 years ago
im not sure wether to replace the minus signs with addition, so if you could help me that would be nice :) 1.2y+4.5-3.4y-6.3
Elenna [48]

Answer:

-2.2y - 1.8

Step-by-step explanation:

We are to simplify the expression:

1.2y + 4.5 - 3.4y - 6.3

Collect like terms:

1.2y - 3.4y + 4.5 - 6.3

Simplify:

-2.2y - 1.8

That is the answer.

6 0
3 years ago
Brian is buying some tickets for his family to go to a concert. The normal ticket price for one person is £120. There are discou
Lorico [155]

Answer:

30% of 120

= 0.3*120

= 36

120 - 36 = 84 (discounted adult ticket)

60% of 120

= 0.6*120

= 72

120 - 72 = 48 (discounted childrens ticket)

84*2 = 168

48*3 = 144

168 + 144 = 312

he pays 312

Step-by-step explanation:

8 0
3 years ago
Ramon makes nectar for a hummingbird feeder by mixing 8 cups of water with 2 cups of sugar. Tiffany makes nectar by mixing 9 cup
cluponka [151]

Answer:

Tiffany

Step-by-step explanation:

Ramon is 4 to 1 water to sugar

Tiffany is 3 to 1 water to sugar

4 0
3 years ago
Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate for the data belowVolu
ki77a [65]

Given: Volume of brains in cubic centimeters.

Because it is talking about volume it is something you can ordered, difference can be found and are meaningful. There is also a natural starting zero point because something can have 0 volume. Like an empty cup. It has no water in it for volume.

Answer:

D. The ratio level of measurement is most appropriate because the data can be ordered, differences can be found and are meaningful, and there is a natural starting zero point

7 0
1 year ago
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