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emmainna [20.7K]
3 years ago
15

PLEASE HELP YOU WILL HET 100 POINTS AND BRAINLIEST IF ANSWERED RIGHT PLEASE HELP YOU WILL HET 100 POINTS AND BRAINLIEST IF ANSWE

RED RIGHT
PLEASE HELP YOU WILL HET 100 POINTS AND BRAINLIEST IF ANSWERED RIGHT
PLEASE HELP YOU WILL HET 100 POINTS AND BRAINLIEST IF ANSWERED RIGHT
PLEASE HELP YOU WILL HET 100 POINTS AND BRAINLIEST IF ANSWERED RIGHT

Mathematics
2 answers:
Harman [31]3 years ago
8 0

Answer:

<h2>see below</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
  • PEMDAS
<h3>let's solve:</h3>

given function:

\quad   \rm\: f(x) =  - 2x +8

when x is 0

\sf \:f(0) =  - 2.0 + 8

simplify multiplication:

\sf f(0) = 8

when x is 3

\sf f(3) =  - 2.3 + 8

simplify multiplication:

\rm \: f(3) =  - 8 + 8

add:

\rm \: f(3) =  0

when x is 6

\quad   \rm\: f(6) =  - 2.6 +8

simplify multiplication:

\quad   \rm\: f(6) =  - 12 +8

simplify addition:

\quad   \rm\: f(6) =  -4

when x is 9:

\quad   \rm\: f(9) =  - 2.9 +8

simplify multiplication:

\quad   \rm\: f(9) =  - 18 + 8

simplify addition:

\quad   \rm\: f(9) =  - 10

Artemon [7]3 years ago
7 0

Answer:

when x =0

f(x)=-2×0+8=8

when x =3

f(x)=-2×3+8=2

when x =6

f(x)=-2×6+8=-4

when x =9

f(x)=-2×9+8=-10

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Step-by-step explanation:

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If you look at the question in reverse you can backtrack your way through. Take 10 and instead of dividing, multiply it by 10, which is 60, add 6 instead of subtracting, which is 66, divide by 6 instead of multiplying, which is 11 and finally subtract 6 instead of adding, which is 5. Use five and try the question over to make sure you calculated correct.

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The cost of renting a bus for a field trip was split evenly among 20 students. At the last minute, 10 more students joined the t
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By solving a linear equation, we will see that the total cost for renting the bus is $90.

<h3>What was the total cost of renting the bus, in dollars?</h3>

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When the other 10 students are added (for a total of 30) each student pays:

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We know that the cost for each of the original 20 students decreased by $1.50, so:

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A university has 750 female students and 2250 male students. Thirty per cent of female students study chemistry and 60% of male
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60% of 2250 = 1350  (males who study chemistry)

1575 = total students studying chemistry

P (female chemistry student) = 225/1575 = 1/7 (simplified)

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