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2 years ago

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Mathematics

2 answers:

ivanzaharov [21]2 years ago

7 0

5(2x+6)-7x —> distribute 5 x 2x and 5 x 6 —> 10x + 30 - 7x—> subtract 7x from both side so it will leave you with 3x+30

castortr0y [4]2 years ago

3 0

Answer:

C. 3x + 30

Step-by-step explanation:

Distribute:

=(5)(2x) + (5)(6) + −7x

=10x + 30 + −7x

Combine Like Terms:

=10x + 30 + −7x

=(10x + −7x) + (30)

=3x + 30

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If g(x)=x+1/x-2 and h(x)=4-x what is the value of (g•h)(-3)

djyliett [7]

The Answers is

g(x) = (x + 1)/(x - 2)

h(x) = 4 - x

g(h(x)) = (4 - x + 1)/(4 - x - 2) = (5 - x)/(2 - x)

g(h(-3)) = (5 - (-3))/(2 - (-3)) = (5 + 3)/(2 + 3) = 8/5

g(h(-3)) = 8/5.

3 0

3 years ago

Given that y = 6 + 4x-x^2express y in the form a.-(x + b)^2, where a and b are

Y_Kistochka [10]

Answer:

6 + 4x − x² = 10 − (x − 2)²

the turning point : (2 , 10)

Step-by-step explanation:

6 + 4x − x² = − x² + 4x + 6

= − (x² − 4x) + 6

= − (x² − 4x + 4 − 4) + 6

= − [(x − 2)² − 4] + 6

= − (x − 2)² + 4 + 6

= − (x − 2)² + 10

= 10 − (x − 2)²

Then the turning point of y is (2 , 10)

4 0

1 year ago

The price of a house DECREASED from $82500 to $77500. Calculate the PERCENTAGE DECREASE

Igoryamba

Answer:

6.06%

Step-by-step explanation:

$percentage \: decrease \\ \\ = \frac{82500 - 77500}{82500} \times 100 \\ \\ = \frac{5000 \times 100}{82500} \\ \\ = \frac{500000}{82500} \\ \\ = 6.06060606 \\ \\ = 6.06 \%$

7 0

3 years ago

Classify the system of equations -1/2 x = -2 - y

allsm [11]

Putting both equations into standard form, we have the system
x -2y = 4
x -2y = -12

The lines these equations describe are parallel.

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3 years ago

To graph the function f(x), a student translates the graph of the parent quadratic function 5 units right and 8 units down. Ca

valina [46]

Answer:

its 5

Step-by-step explanation:

4 0

2 years ago

Help fast please pleaseeeee​

Help fast please pleaseeeee