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Ivahew [28]
4 years ago
7

Factor 2k^2+25k+72 completely​

Mathematics
1 answer:
CaHeK987 [17]4 years ago
7 0

Answer:

<em>Factored Expression; ( 2k + 9 )( k + 8 )</em>

Step-by-step explanation:

We are given the expression 2k^2  +25k + 72, assigned to factor;

2k^2  +25k + 72 ⇒ break this expression into groups,

( 2k^2 + 9k ) + ( 16k + 72 ) ⇒ factor out k from 2x^2 + 9k,

k * ( 2k + 9 ) + ( 16k + 72 ) ⇒ factor 8 from 16k + 72,

k * ( 2k + 9 ) + 8 * ( 2k + 9 ) ⇒ factor out common term 2k + 9,

<em>Solution; ( 2k + 9 )( k + 8 )</em>

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Step-by-step explanation:

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4 years ago
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Answer:

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Step-by-step explanation:

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4 0
4 years ago
Read 2 more answers
What is the mass (in grams) of 8.11×1026 CO2 molecules?
Kobotan [32]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>5</u><u>9</u><u>,</u><u>2</u><u>7</u><u>5</u><u>.</u><u>7</u><u>4</u><u> </u><u>grams</u>

Step-by-step explanation:

• Molecular mass of carbon dioxide

= (12 \times 1) + (16 \times 2) \\  = 12 + 32 \\  = 44 \: g

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• From avogadro's number, it says 1 mole contains 6.02 × 10^23 molecules or atoms.

But 1 mole is equivalent to its molar mass in terms of weight, therefore;

{ \sf{6.02 \times  {10}^{23}  \: molecules = 44 \: g }}\\  { \sf{8.11 \times  {10}^{26}  \: molecules =( \frac{8.11 \times  {10}^{26} }{6.02 \times  {10}^{23} }   \times 44) \: g}} \\  \\  = { \boxed{ \boxed{ \bf{59275.7 \:  \: g}}}}

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3 years ago
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just do a pyramid or cone
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So length of PQ - 6+3 = 9 units.
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