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zalisa [80]
3 years ago
12

Given: F(x) = 2x^2+ 1, G(x) = 2x - 1, H(x) = x F-2) =

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0

Answer:

Step-by-step explanation:

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Convert the following number to percent. 11/3. If needed, round to nearest hundredth.​
muminat

Answer: 27%

Step-by-step explanation:

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3 years ago
The​ half-life of​ carbon-14 is 5600 years. If a piece of charcoal made from the wood of a tree shows only 66​% of the​ carbon-1
xz_007 [3.2K]

The tree died about 3357 years ago.

Explanation:

The half life of carbon - 14 is given by

A(t)=A(0)e^{-kt}

where A(t)=0.5

A(0)=1

t=5600

Substituting these values in the above equation, we get,

0.5=1e^{-5600k}

Taking In on both sides of the equation, we get,

   In(0.5)=-5600k

      \frac{In(0.5)}{-5600} =k

0.00012377=k

Since, only 66% of Carbon - 14 remains after the time T.

Thus, we have,

0.66=1e^{-kT}

Taking In on both sides of the equation, we get,

  In(0.66)=-0.00012377 \ T

\frac{In(0.66)}{-0.00012377} =  T

        3357=T

Thus, the tree died about 3357 years ago.

6 0
3 years ago
Help look at picture!
Luda [366]

Answer:

<u>Step 1:  Set x to 0 </u>

-2(0) + y = 3

y = 3

(0, 3)

<u>Step 2:  Set x to 1 </u>

-2(1) + y = 3

-2 + y + 2 = 3 + 2

y = 5

(1, 5)

<u>Step 3:  Set x to 2 </u>

-2(2) + y = 3

-4 + y + 4 = 3 + 4

y = 7

(2, 7)

<u>Step 4:  Set x to 3 </u>

-2(3) + y = 3

-6 + y + 6 = 3 + 6

y = 9

(3, 9)

4 0
3 years ago
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If a line is 10 feet long but needs to be reduced to 80% of its original, how long will the new line be?
motikmotik

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8 feet

Step-by-step explanation:

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3 years ago
There are 110 calories per 28.4 grams of Cereal X. Find how many calories are in 39.76 grams of Cereal X
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Answer:

I will help u if u help me

Step-by-step explanation:

2. Find the area of the parallelogram.

A.38cm

B.60cm

C.70cm

D.186cm

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3 years ago
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