MATHEMATICS MIDDLE SCHOOL

PLEASE HELP ASAPPP !!!

Answers

Answer 1

Answer:

Step-by-step explanation:

Given the function

$f\left(x\right)=(1)/(2)\cdot 2^x$

Putting x = -2

$(1)/(2)\cdot \:2^(-2)=(1)/(2)\cdot (1)/(4)=(1)/(8)$

(x, f(x)) will be (-2, 1/8)

Putting x = -1

$(1)/(2)\cdot \:\:2^(-1)=(1)/(2)\cdot \:(1)/(2)=(1)/(4)$

(x, f(x)) will be (-1, 1/4)

Putting x = 0

$(1)/(2)\cdot \:2^0=(1)/(2)$

(x, f(x)) will be (0, 1/2)

Putting x = 1

$(1)/(2)\cdot \:\:2^1=2\cdot \:(1)/(2)=1$

(x, f(x)) will be (1, 1)

Putting x = 2

$(1)/(2)\cdot \:\:2^2=4\cdot \:(1)/(2)=2$

(x, f(x)) will be (2, 2)

The graph is also attached below.

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How do you do this question? 24 is what percent of 32?

Answers

24 = x% * 32

24= x/100 * 32

Multiply 100 on both sides.

2400 = x * 32

32x = 2400

Divide 32 on both sides.

x = 2400/32

x = 75

75 percent of 32 is 24

75%
You do 24/32=x/100 and solve for x to find percentage of something. 24/32=.75 then multiply .75 by 100 and you get the answer 75%.

Wang Yong owes the bank $8500. To repay the debt, he paid a fixed amount back to the bank each month. After 12 months, his remaining debt was $6460. How much did Wang Yong pay each month?

Answers

Answer:170 each month

50months to pay back his entire debt

Step-by-step explanation:

the answer is 538.3 per month

$6450/12 (months)

What is an equation that shows a relationship among certain quantities?

Answers

a mathematical statement that two expressions are equal. SIMPLIFY. to write an expression in a simpler form. FORMULA. An equation that shows a relationship among certain quantities

In a population of 1,000 students, 50 were asked by random sampling what their plans were after graduation from high school. Their responses are shown in the table. A 2-column table with 4 rows. Column 1 is labeled Intention with entries College, job, military, no plans. Column 2 is labeled Number of students with entries 27, 13, 2, 8. Using proportional reasoning, make a prediction about how many students you would expect to have plans to attend college. 27 50 = x 1000 27,000 = 50x About would have plans to attend college.