MATHEMATICS HIGH SCHOOL

What is the slope of the line that passes through
(1, -19) and (-2, -7)?

Answers

Answer 1

Answer:

Answer:

i need help

Step-by-step explanation:

Answer 2

Answer:

for the formula for slope is y=mx+b

and m is the slope

the answer

so the slope

-1

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a rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half hour. Which animal is faster, and by how much?

Answers

The fox will run at a faster speed than a rabbit.

What is a unit conversion?

Unit conversion is the process of changing a quantity's measurement between different units, usually using multiplicative conversion factors.

Given that a rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half hour.

Compare the speed of the rabbit and the fox as below,

Rabbit speed,

21 miles ⇒ 1/2 hour

21 x 2 miles ⇒ 1 hour

42 miles ⇒ 1 hour

Fox speed,

35 miles ⇒ 1 hour

The Fox will travel 42 miles in an hour than the rabbit.

Therefore, the fox will run at a faster speed than a rabbit.

To know more about unit conversion follow

brainly.com/question/97386

#SPJ2

35 mph= .58 of a mile per minute
21 miles in 30 minutes= .7 of a mile per minute

if you multiply by 60 to see the distance in the same amount of time:

rabbit: 35 mph
fox: 42

So the fox would run a greater distance in the time given. Hope this helps!

What is decrease £20 by 15%

Answers

You multiply 20 by the multiplier
20x0.85=17

$15\%\cdot\pounds20=0.15\cdot\pounds20=\pounds3\n\pounds20-\pounds3=\pounds17$

Chip drank a cup of coffee with 140 milligramsof caffeine. If the caffeine is eliminated from his
body at a rate of 9.5% per hour, how much
caffeine will be in his body from this cup of
coffee 6 hours from now?

Answers

Answer:

it should be 43 percent left

Step-by-step explanation:

a vending machine sells chips at $0.40 and candy at $0.50. Last month, the vending machine yielded $152.80 with a sale of 328 items. how many packages of chips were purchased last month

Answers

112 bags of chips

The solution to the system of equations gives 112 chips and 216 candy.
The equations to solve are

x + y = 328
.40x + .50 y = 152.80

(x = the number of chips and y = the number of candy)

x = 40 cents bags, y = 50 cent bags

x + y = 328...x = 328 - y
0.40x + 0.50y = 152.80

0.40(328 - y) + 0.50y = 152.80
131.20 - 0.40y + 0.50y = 152.80
-0.40y + 0.50y = 152.80 - 131.20
0.10y = 21.60
y = 21.60/0.10
y = 216 <=== total 50 cents bags sold

x + y = 328
x + 216 = 328
x = 328 - 216
x = 112 <=== total 40 cents bags sold

How do i solve 89 times 69

Answers

$89\cdot 69\n \n =\left( 90-1 \right) \left( 70-1 \right) \n \n =90\cdot 70-90-70+1$

$\n \n =6,300-160+1\n \n =6,140+1\n \n =6,141$

89 x 69 = 6141
hope this helps!!!!!!!!!!

Point c is located at (5, 7) and is reflected in the x-axis. what are the coordinates of point c'? (-5, 7) (5, -7) (-5, -7) (5, 7)

Answers

Final Answer:

Point C's reflection across the x-axis yields coordinates (5, -7). The x-coordinate remains unchanged, while the y-coordinate changes sign, showcasing a fundamental concept in coordinate geometry.

Explanation:

This reflection can be understood as a transformation in which each point on the original figure is flipped over the x-axis to its corresponding point on the reflected figure.

The x-coordinate remains the same because it measures the horizontal distance from the y-axis, which does not change during a reflection across the x-axis. However, the y-coordinate changes sign, as it represents the vertical distance above or below the x-axis.

In summary, to find the coordinates of the reflected point, we change the sign of the y-coordinate of the original point while keeping the x-coordinate unchanged. Thus, the reflected coordinates of point C across the x-axis are (5, -7).