MATHEMATICS HIGH SCHOOL

Which is the choice to the inequality below? -x/9>4
A. x<4
B:x<-36
C.x<-0.44
D. x>-36

Answers

Answer 1
Answer:

Answer:

x < -36

Step-by-step explanation:

-x/9>4

Multiply each side by -9, remembering to flip the inequality

-x/9 * -9 < 4*-9

x < -36

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Solve the solution to the equation -2x+1=9 step by step

Answers

-2x + 1 = 9

Add 2x to each side of the equation:

1 = 2x + 9

Subtract 9 from each side:

-8 = 2x

Divide each side by 2 :

-4 = x
-2x+1=9\n -2x=8\n x=-4

The sum of complementary angles is 90 degrees.
a. True
b. False

Answers

TRUE! because they are 90 degrees

Answer:

a. true

Step-by-step explanation:

A landscaper is creating a rectangular flower bed such that the width is half of the length.The area of the flower that is 34 ft.² Write an equation to determine the width of the flower bed to the nearest tenth of a foot

Answers

The Area is A=l * w and we know that w=(l)/(2)

Therefore: 34=l * (l)/(2) = (l^(2))/(2)
68=l^(2)
√(68)=l=8.246
and thus:
w=(8.246)/(2)
w=4.123
round to nearest tenth:
w=4.1feet
area=LW
W=L/2
2W=L
A=34
sub  34 for A and 2W for L
34=(2W)W
34=2W^2
divide 2
17=W^2
square root both sides
4.12=W
round tenth
4.1 ft=W

Hey, I'm a bit rusty on math. Please provide an answer with an explanation :-) (1)/(x+4) - (1)/(x+5) = (1)/(12) where x_(1) \leq x_(2)

Answers

x_(1) =-8 \n x_(2) = -1

38 is what percent of 40

Answers

Hi there! ;) The answer you are looking for is 95%. To get the answer, this is what I did: 38 divided by 40 and you get 0.95 or 95% (Because they are the same value.)

Hope it helped!:D I hope this made sense to you.

A survey found that 50% of teenagers prefer to watch a movie at a theater over other viewing options. You want to know the estimated probability that three out of four randomly chosen teenagers do not prefer watching a movie at a theater. How could you design a simulation for this situation?Flip a fair coin four times, with heads representing teenagers who prefer watching a movie at a theater and tails representing those who do not.


Pick a card from a deck of standard playing cards four times, with red suits representing those who prefer watching a movie at a theater and black suits representing those who do not.


Spin a spinner with four equal sections three times, with one section representing each person.


Roll a six-sided die four times, with even numbers representing those who prefer watching a movie at a theater and odd numbers representing those who do not.


Generate a set of four numbers using a number generator, with numbers 0 to 5 representing those who prefer watching a movie at a theater and 6 to 9 representing those who do not.

Select all the correct answers.

Answers

Answer:

1. Flip a fair coin four times, with heads representing teenagers who prefer watching a movie at a theater and tails representing those who do not.

2. Pick a card from a deck of standard playing cards four times, with red suits representing those who prefer watching a movie at a theater and black suits representing those who do not.

4. Roll a six-sided die four times, with even numbers representing those who prefer watching a movie at a theater and odd numbers representing those who do not.

Step-by-step explanation:

Basically you need to do something 4 times, with each time having a 50/50 chance.

For 1, it flips the coin 4 times and a coin toss is 50/50

For 2, it pics 4 cards, and the deck of cards has a 50-50 chance of either red or black

For 3, it spins it only 3 times, so is wrong

For 4, it rolls the die 4 times, and even and odd is 50-50

For 5, 0-5 consist of 6 number, while 6-9 is only 4 numbers thus is not 50-50 so is wrong

Answer:

1,2,4

Step-by-step explanation:

if ur in courseware then i just did the math test as well
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