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3 years ago

Expand. If necessary, combine like terms. (x – 5)2 =

Mathematics

1 answer:

grin007 [14]3 years ago

8 0

To expand you must first distribute (multiply) the 2 to the numbers inside the parentheses

2(x - 5)

(2 * x) + (2 * (-5) )

2x + (-10)

2x - 10

There are no like terms, therefore (x - 5)2 expanded is 2x - 10

Hope this helped!

~ Just a girl in love with Shawn Mendes

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The usual price of an oven was $1139. Mrs Bala bought the oven at a 15%

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3 years ago

Solve the equation x to the power of 2 = 10

Nadusha1986 [10]

Answer:

The answer is √10,−√10 (award brainliest)

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Take the root of both sides and solve.

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3 years ago

PLEASE help due today

fomenos

Answer: Number 3; $1250

Number 4; Salesperson A ($7428.30)

Number 5; 18%

Number 6; Rent 780, Food 900, Medical 450, Clothes 300, Miscellaneous 570.

Step-by-step explanation: (No 3) The principal amount is 5000, the rate is 5% (0.05) and the time in years is 5. The formula for calculating simple interest is as follows;

I = P x R x T

I = 5000 x 0.05 x 5

I = 1250

Therefore Joanna will pay $1,250 as interest

(No 4) The amount made by both salespersons is shown as follows;

A = 11% x 67530

A = 0.11 x 67530

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B= 8% x 85740

B = 0.08 x 85740

B = 6,859.20

Therefore from the calculations above, salesperson A made more commission and the amount made is $7,428.30

(5) John's earning is 38000 and he paid 6840 for entertainment. The percentage paid for entertainment therefore is as follows;

Percent paid = (entertainment/total income) x 100

Percent paid= (6840/38000) x 100

Percent paid = 684000/38000

Percent paid = 18

Therefore he paid 18% for entertainment

(6) Nora makes a total of 3000 a month broken down as follows;

Rent = (26/100) x 3000

Rent = 0.26 x 3000

Rent = 780

Food = (30/100) x 3000

Food = 0.30 x 3000

Food = 900

Medical = (15/100) x 3000

Medical = 0.15 x 3000

Medical = 450

Clothes = (10/100) x 300

Clothes = 0.10 x 3000

Clothes = 300

Miscellaneous = (19/100) x 3000

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Simple....
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3 years ago

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