MATHEMATICS HIGH SCHOOL

Can anyone help me choose the correct answer?!

Answers

Answer 1

Answer:

Answer:

f(x)=9x-7

when x=-1

f(-1)=9×-1-7=-9-7=-16

when x=0

f(0)=9×0-7=-7

other are similar to this

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The triangles are similar. If DE = 12, EF = 10, and BC = 5, find AB.

Answers

AB/BC = DE/EF => AB = BC× DE/EF = 5X12/10 = 6

Answer: AB=6

Step-by-step explanation:

AB=12×5/10= 6

Nobody Knows the Answer HELP !!!!! Pleaseeeeeeeeee CLICK & Help Me Solve !!!!!!!!!

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There are 10 total marbles and three are pink. So you are to determine the probability of choosing a pink marble, placing it back in the bag and choosing another pink marble.
The probability of choosing a pink marble is # of pink marbles to # of all marbles which is 3/10. Since we place the marble back in the bag, the probability is the same for the second time.
To determine the probability of both occurrences, we need to multiply 3/10 x 3/10 which is 9/100. This can be written as 9:100 as a ratio.

Jet works in the bookstore he has 300 books to stock on the shows so far he has stopped 120 books today what percent of the books does he have left to stock

Answers

stokked 120
how many left?
300-120=180
180/300=x%
percent means parts out of 100
180/300=60/100=60%

60% left

Emanuel read 150 pages in 5 hours. how many pages would he read in 4 1/2 hours?

Answers

there is 10 half an hours in 5 hours

in 4 1/2 there are 9

so 150/10=15

15x9=135

$From\ proportion:\n\n5\ \ \ -\ \ \ 150\n4(1)/(2)\ \ -\ \ \ x\n\n5x=(9)/(2)\cdot150\n5x=675\ \ \ \ |:5\nx=135\n\nEmanuel\ would\ read\ 135\ pages.$

You have six trophies to arrange on the top shelf of the bookcase how many ways are there to arrange the trophies

Answers

Answer:

So, we can do it in 720 ways.

Step-by-step explanation:

We have been given total of six trophies to arrange in the top shelf of the bookcase

If we need to arrange n things in different ways we can do it in n! ways

Similarly, Here we will do it in 6! ways

n!=n(n-1)(n-2).....1

So, 6!=6 x 5 x 4 x 3 x 2 x 1=720

Multiply the numbers and simplify the answer: 3 x 1- 3/4

Answers

$\underbrace{3*1}_(first)-(3)/(4)=3-(3)/(4)=2(1)/(4)$

$3*1(3)/(4)=3*(1*4+3)/(4)=3*(4+3)/(4)=(3)/(1)*(7)/(4)=(3*7)/(4)=(21)/(4)=(20+1)/(4)=(20)/(4)+(1)/(4)\n\center\boxed{=5(1)/(4)}$

Other Questions

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a rectangular garden has dimensions of 100 feet by 10, next season, the garden decreased to 2/5 of its size. what is the scale of the drawing for the new garden

Thank you, please show me the steps.