MATHEMATICS HIGH SCHOOL

What is the slope of x+3y=21

Answers

Answer 1

Answer:

Answer:

Ang SAgot ay pukingina ka

Answer 2

Answer: The slope is -1/3 ..:.

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Point M with coordinates (3,4) is the midpoint of the line AB and A has the point (-1,6). What is thepoint of B?

Answers

The midpoint of a line segment divides the line segment into equal halves. The point of B is (7,2)

Given that:

$A = (-1,6)$

$M = (3,4)$

Point B is represented as:

$B = (x_2,y_2)$

To calculate the coordinate of B, we use the following midpoint formula:

$M = ((x_1 + x_2)/(2),(y_1 + y_2)/(2))$

So, we have:

$(3,4) = ((-1 + x_2)/(2),(6 + y_2)/(2))$

Multiply through by 2

$2 * (3,4) = (-1 + x_2,6 + y_2)$

$(6,8) = (-1 + x_2,6 + y_2)$

By comparison:

$6 = -1 +x_2$ and

$8 = 6 + y_2$

So, we have:

$6 = -1 +x_2$

$x_2 =6 + 1$

$x_2 =7$

$8 = 6 + y_2$

$y_2 = 8 - 6$

$y_2 = 2$

Hence, the coordinate of B is (7,2)

Answers

Can an acute triangle be an

A. Isosceles
B. Obtuse

A because think of acute as (a)cute little triangle. The angles are smaller. An Obtuse triangle would mean theres a larger angle

Can a right triangle be an

A. Isosceles
B. Obtuse

A because a right triangle will always have a 90 degree angle. Obtuse would require and angle to be greater than 90.

a car travels a distance of 300 km at an average speed of 65km/h ,how long does it take to cover the distance?

Answers

Answer:

4 hours and 40 minutes

Step-by-step explanation:

speed = distance/time

distance/speed = time

300/65 = 4.615 hours

0.615 x 60 = 36.9

= 4 hours and 40 minutes

Of the 250 sheep in a flock, 42% are spotted. What is the total number of spotted sheep in the flock?

Answers

Answer:

should be 105 right

Step-by-step explanation:

Answer:

105 sheep are spotted.

Step-by-step explanation:

42% of the 250 sheep are spotted. We would need to find 42% of 250.

250 * 0.42 = 105

105 sheep are spotted.

Hope this helps.

In an experiment using 30 mice, the sample proportion of the mice that gained weight after a drug injection is 0.65. What is the 99.7% confidence interval for the actual proportion in the population?a)between 0.602 and 0.697

b)between 0.563 and 0.737

c)between 0.476 and 0.824

d)between 0.389 and 0.911

Answers

The answer is B.) between 0.563 and 0.737

Help............................

Answers

Answer:

I think it is B, or the second one

Step-by-step explanation:

Answer:

Step-by-step explanation:

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Use log b 2=0.693 and /or log b 7 = 1.946to find log b 14

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!For which intervals is the function increasing?Select EACH correct answer.

Simplify 10(N + 3).A. 10N + 30B. 10N + 3