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VLD [36.1K]
3 years ago
8

What are the zeros of the function f(x) = x2 + 8x + 4, expressed in simplest radical form?

Mathematics
2 answers:
goldenfox [79]3 years ago
7 0

Answer: A

Step-by-step explanation:

Got it right on edg

klio [65]3 years ago
6 0

Answer:

x = -4 ± 2√3

Step-by-step explanation:

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A person x inches tall has a pulse rate of y beats per​ minute, as given approximately by yequals600 x Superscript negative 1 di
tankabanditka [31]

Answer:

a) 5.13beats/min

b) 2.82 beats/min

Step-by-step explanation:

Given the pulse rate of a person modelled by the equation y = 600x^-1/3 for 30≤x≤75

If the height is 39inches, the instantaneous rate of change of pulse rate for the heights will be expressed as;

y = 600(39)^-1/3

y = {600(1/39)}/3

y = 600/39×3

y = 600/117

y ≈ 5.13beats/min

The instantaneous rate for a 39 inches tall person is 5.13 beats per min

b) For a 71inches tall person, the beat rate will be expressed as;

y = 600(71)^-1/3

y = {600(1/71)}/3

y = 600/71×3

y = 600/213

y ≈ 2.82 beats per minute

The instantaneous rate for a 71 inches tall person is 2.82 beats per min

7 0
3 years ago
Can someone please explain this
SSSSS [86.1K]

Answer:

-1

Step-by-step explanation:

can you also hep me on something

4 0
3 years ago
i am not 42 but i am an EVEN number. i am more than 25 but less than 50. i am a multiple of 6 but do not have a digit of 3.
sertanlavr [38]
So easyies way is find all multiplues of 6 that are less than 50

6
12
18
24
30
36
42
48

and not 42
6
12
18
24
30
36
48
more than 25
30
35
48

do not have a 3 in them
48

the answer is 48

5 0
3 years ago
Read 2 more answers
On a floor plan for Rosedale Middle School, 1 inch represents 10 feet. If Sarah's classroom is 2 inches by 3 inches on the floor
photoshop1234 [79]

Answer:

If you want A brainly go subscribe to this youtubr channel Florida_kik

Step-by-step explanation:

3 0
2 years ago
Type this equation in standard form. 8y + 4 = -3x
Nitella [24]
Y = -3/8x+ -2/4 the answer
5 0
2 years ago
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