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2 years ago

8

if alpha and beta are the zeros of the quadratic polynomial FX = x square - 5 x + 4 find the value of one by alpha + 1 by beta-2

alpha x beta

1 answer:

Kryger [21]2 years ago

5 0

Answer:

suggestions use math scanner or mathaway or algebra calculator they will provide the steps and answer

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A student needs to make a circular cardboard piece with an area between 154 square inches and 616 square inches. The function f(

Nezavi [6.7K]

The area of the circle by definition is given by:
$f (r) = \pi * r ^ 2
$
For f (r) = 154:
$154 = \pi * r ^ 2
$
Clearing r we have:
$r ^ 2 = 154 / 3.14

 r = \sqrt{154/3.14} 

 r = 7$
For f (r) = 616:
$616 = \pi * r ^ 2$
Clearing r we have:
$r ^ 2 = 616 / 3.14 r = \sqrt{616/3.14} r = 14$
Answer:
a reasonable domain for f (r) is:
7 <r <14

3 0

3 years ago

Tyrone invested money for 3 years at 5% interest. If the interest paid was $60, how much money was invested? What was the total

yan [13]

Answer:

He invested $1200 and had a balance of $1260 after 3 years.

3 0

3 years ago

Please help me with this

lozanna [386]

Answer:

b

Step-by-step explanation:

there you go dude i did the math for you :)

8 0

3 years ago

I dont understand this

algol13

Answer:0,3 for y and 4,0 for x

the second one is 0,6 for y and for the x it will be -3,0

Step-by-step explanation:

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3 years ago

Tell whether the rates form a proportion.

pav-90 [236]

Answer: no

Step-by-step explanation: the answer is no

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2 years ago