What is the slope of the graph of 2x – 6y = 9? A.1/3

B.-1/3

C.3

D.-3

Answers

Answer 1

Answer: Let's make our equation in the form of y = mx + b

2x – 6y = 9

Add 6y on both sides

2x = 6y + 9

Subtract 9 on both sides

6y = 2x - 9

Divide 6 on both sides

y = 1/3 - 3/2

Now, we have it in the form of y = mx + b

In y = mx + b, m is the slope and b is the y-intercept

That means in y = 1/3 - 3/2, the slope is A) 1/3.

Your answer is A) 1/3

Answer 2

Answer: 2x – 6y = 9
Slope is coefficient near x in y=kx+l
2x – 9 = 6y
1/3 x – 3/2 = y
k = 1/3

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The science fair judges will be science teachers and volunteers. Each judge will only have time to view 5 science fair projects. There are 133 science teachers. What is the fewest number of volunteers needed to have enough judges for all of the projects?

Answers

Answer: The fewest number of volunteers needed to have enough judges for all of the projects is 2.

Step-by-step explanation:

Number of science teachers = 133

Number of science fair projects viewed by each judge = 5

Let the number of judge be n

Since number of volunteers must be multiple of 5 .

According to question,

$5n=135+\text{number of volunteers}\n\n\text{ where, n is a natural number and number of volunteer must be integer}$

So, Possibility for number of volunteers must be 2 to make it divisible by 5.

$5n=133+2\n\n5n=135\n\nn=(135)/(5)\n\nn=27$

Hence, the fewest number of volunteers needed to have enough judges for all of the projects is 2.

the answer is twenty seven

The Navajo and Pueblo Indians create large, circular sand paintings as part of traditional healing ceremonies. How much more circumference does a sand painting with a 20-foot diameter have compared with one with a 5-foot diameter?

Answers

Approximately 47ft
Circumference= 2πr
r= d/2
r=10 r=2.5
Circumference= 63 Circumference=16
63-16=47

1. What is 75% of 28?2. If the circumference of a circle is 37.68 inches. What is the diameter?

Pls answer both questions and number them

Answers

Hey there! :)

(1) Change to decimal and multiply by the number you need to find the % of

75% as a decimal = 0.75

0.75 × 28 = 21

Your answer is 21
_____________________________________________________________

(2) Circumference = π · diameter

To find diameter, divide circumference by π

Circumference = 37.68

37.68 ÷ π = 11.99 = 12

The diameter is 12

Hope this helps :)

Durning the month of January, temperatures can decrease by 19 per week . If this happens, the temperature on January 12 was 10 , what's is the temperature on January 19th

Answers

If it does drop it would be -9 by the end of the week.

Step-by-step explanation:

cn b CX b,hxbcxhcjdhx smuggling

julio bought a total of 20 medium and large pumpkins if he spent $53 and bought 6 more large pumpkins as medium pumpkins how many large pumpkins did he buy