MATHEMATICS COLLEGE

What is the solution to the system of equations y = -4/5x + 6 and y = -30A) (45,-30)
B) (-30,30)
C) (-30,45)
D) (30,-30)

Answers

Answer 1
Answer:

Hi There!

Answer: A) (45,-30)

Why: x = 45 and y = -30

-30 = -4/5(45) + 6

-30 = -36 + 6

-30 = -30

Hope This Helps :)
Answer 2
Answer:

Answer:

A is the correct answer

Step-by-step explanation:

took the exam

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The area of a trapezoid is given by the formula A=h/2(a+b) .

Solve the formula for b.

Answers

Answer:

(2A)/h -a =b

Step-by-step explanation:

A= [h(a+b)]/2       I rewrote the formula, because h and a+b are in the numerator.

2A=h(a+b)  Multiply both sides of equation by 2

(2A)/h= a+b Divide both side by h

(2A)/h -a= b Subtract a from both sides

What is 32% of 60 as a decimal.

Answers

Answer:

19.2

Step-by-step explanation:

32% as a decimal is 0.32.

60x0.32 is 19.2.

. Write 3.476 x 1011 in standard notation.

Answers

Answer: 347,600,000,000

Step-by-step explanation: You have to move the decimal 11 places. After you move it behind the 6 to get the number 3,476, you have to move it 8 more times because 11-3 is 8. So you add 8 zeros

Megan is thinking of a number that is divisible by both 9 and 12 what is the smallest possible number that Megan is thinking

Answers

Answer:

36

Step-by-step explanation

9x4=36

12x3=36

Answer:

The smallest possible number Megan is thinking, is 36.

Step-by-step explanation:

In order to answer this question, you have to find the LCM of 9 and 12.

9 = 3 x 3 (simplified)

12 = 3 x 4 (simplified)

This means that 3 and 4 are both common factors in these two numbers.

Now, multiply the common factors with the uncommon factor.

3 is an common factor, and 4 is an uncommon factor

Hence, we do 3 x 3 x 4 which is equal to 36

Need help please badly

Answers

Answer:

CED is a right angle, CEB=AEB

hopw that helps

Answer:

1st, 2nd, 5th

Step-by-step explanation:

Researchers suspect that the average number of units earned per semester by college students is rising. A researcher at Calendula College wishes to estimate the number of units earned by students during the spring semester at Calendula. To do so, he randomly selects 100 student transcripts and records the number of units each student earned in the spring term. He found that the average number of semester units completed was 12.96 units per student. Identify the population of interest to the researcher.

Answers

Answer:

All Calendula College students enrolled in the spring.

Step-by-step explanation:

A researcher at Calendula College wishes to estimate the number of units earned by students during the spring semester at Calendula.

To do so, he randomly selects 100 student transcripts from among all Calendula College students enrolled in the spring and records the number of units each student earned in the spring term.
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