3 years ago

Which will result in a perfect square trinomial?

Mathematics

1 answer:

nikitadnepr [17]3 years ago

4 0

Answer:

The first one

Step-by-step explanation:

For the first choice, the binomial is multiplied by itself, so it will result in a perfect square trinomial.

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Which choice shows y=2x+2 and y=2^x correctly paired with their graphs?

diamong [38]

Answer:

The second option.

Step-by-step explanation:

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3 years ago

Help with geometry? Can't do it no matter what I try

Anarel [89]

R u in k12? or nah if yes send a mail to the teach

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A scientist has 100 milligrams of a radioactive element. The amount of radioactive element remaining after t days can be determi

grandymaker [24]

The mass of the first shipment at time t is
$m_{1}=100( \frac{1}{2} )^{ \frac{t}{10}}$

The mass of the second shipment at time t is
$m_{2}=100( \frac{1}{2} )^{ \frac{t-3}{10} }$

At time t, the ratio of m₁ to m₂ is
$\frac{m_{1}}{m_{2}} = \frac{100}{100}. \frac{(1/2)^{t/10}}{(1/2)^{(t-3)/10}} \\ = \frac{(1/2)^{t/10}}{(1/2)^{t/10}}. \frac{1}{(1/2)^{-3/10}} \\ = (1/2)^{3/10} \\ = 0.8123$

Therefore as a percentage,
$\frac{m_{1}}{m_{2}} =100*0.8123 = 81.23 \%$

Answer: B. 81.2%

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3 years ago

a football gains 8 yards on their first play. they lose 12 yards on the next play.. which integers represent the two plays?

9966 [12]

8 yards - 12 yards = - 4

The integer is -4

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3 years ago

Read 2 more answers

One-third of a number is 1 more than one-fourth of the same number.<br> What is the number?

konstantin123 [22]

Answer:

Step-by-step explanation:

1/3 of 12 = 4

1/4 of 12 = 3

4 is 1 more than 3.

The number is 12.

_____

If this does not immediately come to mind, you can solve for the number, x:

x/3 -x/4 = 1 . . . . the difference between 1/3 of x and 1/4 of x is 1

x/12 = 1 . . . . . . . collect terms: (1/3 -1/4 = 4/12 -3/12 = 1/12)

x = 12 . . . . . . . . multiply by 12

7 0

3 years ago