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Lisa [10]
3 years ago
10

100 POINTS!!!!!! hELP ASAP EXAM Show that ( + )^2 = ( + )( − ) + 2

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
7 0

Answer:

2+y=x÷2 y=5 x=23

Step-by-step explanation:

it was very eazy

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Solve x-3/6 divided by 3-x/2 Please show work
Nataly_w [17]
\cfrac{x-3}{6}: \cfrac{3-x}{2}  = -\cfrac{3-x}{6}*\cfrac{2}{3-x}  =- \cfrac{2}{6}=- \cfrac{1}{3}
4 0
3 years ago
18 m 13m 13 m find the surface area ​
shtirl [24]

Answer:

3510 m2 is your answer

Step-by-step explanation:

3 0
3 years ago
1. Given that 4x²- 16x + 15 = a(x-p)²+ q for all values of x.
FinnZ [79.3K]

Answer:

a = 4, p = 2, q = - 1

Step-by-step explanation:

Expand the right side of the identity, then compare the coefficients of like terms with those on the left side.

a(x - p)² + q ← expand (x - p)² using FOIL

= a(x² - 2px + p²) + q  ← distribute parenthesis

= ax² - 2apx + ap² + q

Compare coefficients of x² term

a = 4

Compare coefficients of x- term

- 2ap = - 16, that is

- 2(4)p = - 16

- 8p = - 16 ( divide both sides by - 8 )

p = 2

Compare constant terms

ap² + q = 15 , that is

4(2)² + q = 15

16 + q = 15 ( subtract 16 from both sides )

q = - 1

Thus a = 4, p = 2, q = - 1

8 0
3 years ago
Paula says that 2/3 is equivalent to 4/9 because 4 is a multiple of 2 and 9 is a multiple of 3. explain her error.
valentina_108 [34]

Answer:

Paula is wrong because, in order to be equivalent, the nominator and denominator of a fraction must have to be multiplied by the same number.

Step-by-step explanation:

Paula is wrong because, in order to be equivalent, the nominator and denominator of a fraction must have to be multiplied by the same number.

4/9 is basically obtained when we multiply the denominator of 2/3 by 2 and denominator by 3, which is wrong.

Thus, the correction is as follows:

Given the fraction

\frac{2}{3}

Multiply the nominator and denominator of the fraction by 2

\frac{2\times 2}{3\times 2}=\frac{4}{6}

Thus, the 4/6 is the correct equivalent expression of 2/3.

3 0
3 years ago
This is a percent amount that a salesperson makes for a sale.
Alona [7]

Answer:

It's commision

3 0
3 years ago
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