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3 years ago

0.5 - (-10.5 • 5) + 40.5 I need the solution to this problem

Mathematics

1 answer:

kondor19780726 [428]3 years ago

7 0

93.5 Great and write answer please brainliest and thanks

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there are 100 movies at the store 30/100 are action movies 50/100 are comedies and 20/100 are adventure movies what part of the

pogonyaev

Answer:30 action and 50 comedies which is 80/100 or 80%/100%

Step-by-step explanation:

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3 years ago

Marsha spends 150 minutes a night doing homework.

kodGreya [7K]

Answer:

70%

Step-by-step explanation:

Maths homework takes 1/6×150mins

=150/6=25 mins

science homework takes 20/100×150

=3000/100

=30mins

Language Arts homework uses 1/3×150

=150/3

=50 mins

percent of time left for Marsha's social studies homework=total time used / original time

=(25+30+50)mins

=105mins/150mins×100%

=0.7×100

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3 0

2 years ago

One factor of the function f(x) = x3 − 8x2 + 17x − 10 is (x − 5). Describe how to find the x-intercepts and the y-intercept of t

kozerog [31]

Answer:

x-intercepts: (1,0), (2,0), (5,0)

y-intercepts: (0,-10)

Step-by-step explanation:

One factor of the function $f(x) = x^3-8x^2 + 17x-10$ is $(x-5).$

Factor the polynomial in the following way:

$x^3-8x^2 + 17x-10\\ \\=x^3-5x^2-3x^2+15x+2x-10\\ \\=x^2(x-5)-3x(x-5)+2(x-5)\\ \\=(x-5)(x^2-3x+2)$

Now factor the quadratic in brackets:

$x^2-3x+2\\ \\=x^2-2x-x+2\\ \\=x(x-2)-(x-2)\\ \\=(x-2)(x-1)$

Hence,

$f(x)=(x-5)(x-2)(x-1)$

The x-intercepts are points at which y = 0, so

$(x-5)(x-2)(x-1)=0\\ \\x-5=0\ \text{or}\ x-2=0\ \text{or}\ x-1=0\\ \\x=5\ \text{or}\ x=2\ \text{or}\ x=1$

The y-intercepts are points at which x = 0, so

$y=0^3-8\cdot 0^2+17\cdot 0-10=-10$

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3 years ago

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Anastasy [175]

Answer:

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Step-by-step explanation:

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2 years ago

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Simplify the variable expression.<br> 14a +(-3a)

DENIUS [597]

Answer:

$\huge\boxed{14a+(-3a)=11a}$

Step-by-step explanation:

$14a+(-3a)\qquad(+)(-)=(-)(+)=(-)\\\\=14a-3a\qquad\text{combine like terms}\\\\=(14-3)a=11a$

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3 years ago

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