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Varvara68 [4.7K]
2 years ago
12

Factor the following expression 10x^5+5x^3-14x^2-7

Mathematics
1 answer:
padilas [110]2 years ago
5 0

Answer:

\left(2x^2+1\right)\left(5x^3-7\right)

Step-by-step explanation:

10x^5+5x^3-14x^2-7

\left(10x^5+5x^3\right)+\left(-14x^2-7\right)

-7\left(2x^2+1\right)+5x^3\left(2x^2+1\right)

=\left(2x^2+1\right)\left(5x^3-7\right)

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i) Baraka bought ksh.20,000 worth of shares of a company each month. During the first three months, he bought the shares at a pr
Sladkaya [172]

The average price paid by him for the shares after 3 months is ksh. 163.33

<h3>Average</h3>

  • Total value of shares bought = ksh.20,000

  • Amount of shares bought in the first three months = ksh.120, ksh.160 and ksh.210

Average price paid for the shares after 3 months

= (120 + 160 + 210) / 3

= 490 / 3

= 163.333333333333

Approximately,

ksh. 163.33

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4 0
2 years ago
Put the following steps for executing a stock trade in order. What is the order? 2,4,1,3?
Temka [501]

Answer:

The answer would be 1,2,4,3

Step-by-step explanation:

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4 0
3 years ago
9. A cup of tea costs x pence. Coffee costs 20 pence more. Hermes buys 2 cups of tea and one cup of coffee. In total Hermes pays
qaws [65]

Answer:

  • £1.20

Step-by-step explanation:

<u>Given:</u>

  • Tea = x
  • Coffee = x + 0.2

<u>Comparing the total cost, work out the value of x:</u>

  • 2x + x + 0.2 = 3.80
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5 0
2 years ago
In the figure, angle D measures 45° and angle E measures 87°. What is the measurement of angle H?
scZoUnD [109]
Hat means y + z = 180. 

<span>y is thrice than z means y = 3 * z. </span>

<span>replace y with 3 * z in the equation of y + z = 180 to get 3 * z + z = 180. </span>

<span>combine like terms to get 4 * z = 180. </span>

<span>solve for z to get z = 180 / 4 = 45 degrees. </span>

<span>since y = 3 * z, then y = 3 * 45 = 135 degrees. </span>

y = 135
<span>z = 45 </span>

y + z = 180 becomes 135 + 45 = 180
<span>y = 3 * z = 135 = 3 *45 </span>

<span>solution is confirmed to be good.</span>
3 0
3 years ago
Read 2 more answers
PLEASE HELPP! WORTH 20 POINTS
katrin2010 [14]

Answer:

B

Step-by-step explanation:

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8 0
2 years ago
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