MATHEMATICS HIGH SCHOOL

give 2 examples that shows how using parentyeses can change the crder in which operations are preformed in an expression

Answers

Answer 1
Answer:

(7+3)x4=40

7+(3x4)=19

and

6-(5x2)=-4

(6-5)x2=2

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Which strategies can be used to solve this problem? Rosa organized a game day at her house. She plans to have 2 groups of 5 people play charades, and 3 groups of 4 people play board games. What is the greatest number of people who could be at Rosa's game day? Choose all answers that are correct. A. Draw a diagram. Draw 2 squares and 5 circles. Then draw 3 squares and 4 circles. Add the total number of squares and circles. B. Use logical reasoning. Think that finding 2 groups of 5 is the same as 2 × 5 = 10 and that 3 groups of 4 is the same as 3 × 4 = 12. Then add 10 + 12. C. Model the problem. Show 2 groups of 5 chips and 3 groups of 4 chips. Then count all the chips. D. Translate into an equation. 2 × 3 × 4 × 5 = n

WILL MARK BRAINLIEST TO QUICKEST ANSWER! PLEASE HURRYThe graph of the even function f(x) has five x-intercepts. If (6, 0) is one of the intercepts, which set of points can be the other x-intercepts of the graph of f(x)?

A.(–6, 0), (–2, 0), and (0, 0)
B.(–6, 0), (–2, 0), and (4, 0)
C. (–4, 0), (0, 0), and (2, 0)
D.(–4, 0), (–2, 0), and (0, 0)

Answers

There seems to be a flaw with this question because it says that there are five x-intercepts but the given information only gives you 4 x-intercepts to work with.

Even means the graph is symmetric about the y-axis

The best answer is A.(–6, 0), (–2, 0), and (0, 0)

because you do not have to worry about another point (0,0). Plus we need (-6,0) for it to be symmetric with (6,0).

Consider function f(x) = x²(x-6)(x+6)(x+2)²(x-2)². It is even and fits these conditions as it has x-intercepts at (6,0), (-6,0), (-2,0), (2,0), and (0,0). again, the question does not tell us the fifth x-intercept, so we need to assume that there is another one that needs to be there...and so (-2,0) must have (2,0) for it to be even as well.
The set of points are (0, 0)(–6, 0)

162 is what percent of 200

Answers

In order to find out what percentage of 200 162 is, we just need to divide 162 by 200.

162 / 200 = 0.81

To transform the decimal to a percentage, we just need to multiply it by 100.

0.81 * 100 = 81

162 is 81% of 200.
Hope that helped =)

Answer:

81%

Step-by-step explanation:

1. We assume, that 200 equals 100% -because it's the output value of the task

2. We assume, that x is the value we are looking for.

3. If 100% equals 200,so we can write it down as 100%=200

4.  We know, that x% equals 162 of the output value, so we can write it down as x% =162

5. Now we have two simple equations

1) 100%=200

2) x%=162

where the left sides of both of them have the same units, and both of the right sides have the same units, so we can do something like that:

100%/x%=200/162

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. the solution for 162 is what percent of 200

100%/x%=200/162

(100/x)*x=(200/162)*x  -we multiply both sides of the equation by x

100=1.234567890123*x  -we divide both sides of the equation by (1.234567890123) to get x

81%=x

x=81%

now we have:

162 is 81% of 200

hope this helps!

:D

How do you write 3.74 x 10^4 in standard form?

Answers

Answer:

37,400

Step-by-step explanation:

Whatever the number 10 is being squared by, you just move the decimal right if it is a positive number. In this case, it is 10 to the 4th power.

If you move the decimal in 3.74 four times to the right, you will get 37,400.

Answer:

37400

Step-by-step explanation:

move the decimal place over 4 to the right

What’s the answer for this question

Answers

Answer:

128

Step-by-step explanation:

you do 16 x 16 (256) and then divide it by 2

Janet drove 300 miles in 4.5 hours. Write an equation to find the rate at which she was traveling.

Answers

If you would like to know the rate at which she was travelling, you can calculate this using the following steps:

300 miles ... 4.5 hours
x miles = ? ... 1 hour

300 * 1 = 4.5 * x
300 = 4.5 * x
x = 300 / 4.5
x = 200 / 3
x = 66.67 miles per hour

Janet was travelling at the rate 66.67 miles per hour. 

Laura fills a bucket with water at a rate of 6 L/min. At the same time, Sarah empties a bucket holding 30 L of water at a rate of 9 L/min. Let l represent the number of liters of water and let t represent time in minutes. The system models this situation.How many minutes will it take for the buckets to hold equal amounts of water, and how much water will that be?

l = 6t

l = 30 – 9t


It will take ____ minutes for both buckets to hold equal amounts of water. They will each hold ____ liters.

Answers

0+6 L per min
30-9 L per min
so let x represent the time
0+6 times x and
30-9 times x
we want to know what time they will be equal so set them equatl to each other
0+6x=30-9x
6x=30-9x
add 9x to both sides
15x=30
divide both sides by 15
x=2
at 2 mins, they will be equal
find out what that is
subsitute in 0+6x
0+6(2)=0+12=12L

the answers are 2 minutes and 12 liters respectively
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