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Arte-miy333 [17]
3 years ago
11

x2 + 8x + 6 (x2 + 8x + ) + 6 Erin was completing the square of the quadratic function in order to find the extreme value. What i

s the next step in the process, and what is the extreme value? A) (x + 8)2 - 58; the extreme minimum is -8 B) (x + 4)2 - 10; the extreme minimum is -4 C) (x2 + 8x + 16) + 6 - 16; the extreme minimum is -10 D) (x2 + 8x + 64) + 6 - 64; the extreme minimum is -58
Mathematics
1 answer:
kolezko [41]3 years ago
6 0

Answer:

C.

Step-by-step explanation:

The next step is to add (1/2 * 8)^2 = 4^2 = 16 to the 8x and subtract 16 from the + 6:

- to give (x^2 + 8x + 16) + 6 - 16 as the next step in the process.

The extreme minimum is  +6 - 16 = -10.

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Your patient weighs 15 kg and is scheduled for to have an abdominal exploratory. You are instructed to provide 0.9% sodium chlor
kumpel [21]

Answer:

V_f=450ml/hr

Step-by-step explanation:

From the question we are told that:

Mass m=15kg

Amount of NaCl IV n=0.9\%

Rate R=30ml/kg/hr

Generally the equation for fluid rate be for your IV pump is mathematically given by

V_f=mR

Since

Rate is

30ml/kg/hr at 1kg patient Weight

Therefore

V_f=15*30

V_f=450ml/hr

6 0
3 years ago
4.
scoundrel [369]

For the first point, remember this simple rule: every exponential function a^x always returns a when evaluated at x = 1. In fact, a^1=a for every possible base a.

So, we can see that the graph of the exponential passes through the point (1,y) where y appears to be between 1 and 2. So, the only feasible option would be y = 1.8^x, because it passes throught the point (1,1.8) because f(1) = 1.8^1 = 1.8.

The other functions are wrong because:

  • 0.45^x would pass through (1,0.45), which would be between 0 and 1 on the y axis
  • 2.4^x would pass through (1,2.4), which would be between 2 and 3 on the y axis
  • 0.31^x would pass through (1,0.31), which would be between 0 and 1 on the y axis

As for the second question, you simply have to plug in the values: the function

f(x) = 7^x

means that you have to choose an input, x, and use it as exponent for 7. So, if you choose x=2, it means that you have to give exponent 2 to 7, i.e. you replace the x with the specific value, 2.

So, the expression becomes

f(2) = 7^2 = 49

7 0
4 years ago
Jorge read that 0.72 if his favorite granola bar was raisins. Find what the fraction of the granola bar are raisins.
Aliun [14]
72% of the granola bar are raisins
7 0
3 years ago
What is the proportion of the corresponding sides?
nordsb [41]

Answer:

1:5

Step-by-step explanation:

For this problem, you just have to evaluate the proportion of the length of the sides between triangles nmo and kml.

So LM = 12, which corresponds to OM = 60 (12 X 5 = 60)

KM = 10, which corresponds to NM = 50 (10 X 5 = 50)

5 0
3 years ago
Almost 7/16 of thd total water supplied to a house hold is wasted because of leaky faucets. determine the decimal equivalent of
Lena [83]

Answer:

0.4375

Step-by-step explanation:

To find the decimal equivalent you have to divide the numerator by the denominator.

7 ÷ 16 = 0.4375

4 0
3 years ago
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