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a_sh-v [17]
2 years ago
13

Perform the indicated operation. Show steps

Mathematics
2 answers:
kondor19780726 [428]2 years ago
8 0

Answer:

x³ + 3x² - x + 5

Step-by-step explanation:

h(x) + g(x)

= x³ + 3x² - x + 5

VikaD [51]2 years ago
4 0

Answer:

...........................................

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It takes 45 minutes or forty-five over sixty of an hour to cook a chicken. How many fourths of an hour is that?
lawyer [7]

Answer:3/4


Step-by-step explanation:60 minutes divided by 4 is 15. 3  15 minute increments is 45. 45 minutes is 3 /4 of an hour.


3 0
3 years ago
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brilliants [131]

Answer:

50

Step-by-step explanation:

^^^^^^^^^ (please give me brainliest)

8 0
2 years ago
(x+6) + (x+8) + 14 / 2
wlad13 [49]
Answer=2x+21 do you want the whole solution?
3 0
3 years ago
Read 2 more answers
20 POINTS HELPPPPP
kiruha [24]

For this case we have the following expression:

\frac {216 ^ {n-2}} {(\frac {1} {36}) ^ {3n}} = 216

We multiply both sides by: (\frac {1} {36}) ^ {3n}

216 ^ {n-2} = 216 * (\frac {1} {36}) ^ {3n}

We divide both sides by 216:

\frac {216 ^ {n-2}} {216} = (\frac {1} {36}) ^ {3n}

To divide powers of the same base, we place the same base and subtract the exponents:

216 ^ {n-2-1} = (\frac {1} {36}) ^ {3n}\\216 ^ {n-3} = (\frac {1} {36}) ^ {3n}

Rewriting:

(6 ^ 3) ^ {n-3} = (\frac {1} {6 ^ 2}) ^ {3n}\\6 ^ {3n-9} = \frac {1} {6 ^ {6n}}\\6^{ 3n-9} * 6^{ 6n} = 1

To multiply powers of the same base, we place the same base and add the exponents:

6^{ 3n-9 + 6n} = 1\\6^{ 9n-9} = 1

We know that any number raised to zero is 1, a ^ 0 = 1.

So, for equality to be true:

9n-9 = 0\\9n = 9\\n = \frac {9} {9}\\n = 1

Answer:

n = 1

3 0
3 years ago
Read 2 more answers
A regular hexagonal prism has a volume of 160 cubic meters. Its base has a perimeter of 30 meters and an area of 64 square meter
valkas [14]
We know that

[volume of a <span>regular hexagonal prism]=[area of the base]*height
height=volume/area of the base
h=160/64-----> 2.5 m

[surface area </span><span>hexagonal prism]=2*[area of the base]+[perimeter of base]*h
</span>[surface area hexagonal prism]=2*[64]+[30]*2.5----> 203 m²

the answer is
203 m²
5 0
3 years ago
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