Mathematics College

Use the following coordinate plane to write the ordered pair for each point.

Answers

Answer 1

Step-by-step explanation: When finding the coordinates

of a given point, be very careful with your signs.

On the x-axis, left means negative and right means positive and

on the y-axis, down means negative, and up means positive.

So to find the coordinates for point A, we start at the origin,

which is the point (0, 0), and we move 2 units to the left and 4 units up.

So that's the point (-2, 4).

Remember to go left or right first, then up or down.

So for point B, we go 0 units to the left or right and 3 units down.

So that's the point (0, -3).

For point C, we move 4 units to th

right and 4 units down so tha's (4, -4).

Related Questions

Find the area of the polygon shown

Answers

Answer:

18 feet

Step-by-step explanation:

(1*4)/2 = 2 (area of right triangle)

4*4=16 (area of square)

2+16=18

Ayuda por favor urge

Answers

Answer:

x = 4

Step-by-step explanation:

x + x + 6 + 6 = x + 8 + 8

2x + 12 = x + 16

2x + 12 - 12 = x + 16 - 12

2x + 0 = x + 4

2x = x + 4

2x - x = x + 4 - x

2x - x = x - x + 4

x = 0x + 4

x = 0 + 4

x = 4

Chequando Respuesta :

x = 4

x + x + 6 + 6 = x + 8 + 8

(4) + (4) + 6 + 6 = (4) + 8 + 8

4 + 4 + 6 + 6 = 4 + 8 + 8

8 + 6 + 6 = 12 + 8

14 + 6 = 20

20 = 20

Ambos lados de la ecuacio'n son igual cuando x = 4, y esto confirma que la respuesta es corecta, que x = 4 en este problema.

please help
85-v=213
solve for v

Answers

Step-by-step explanation:

subtract the whole equation by 85 on both sides to get v by itself on the left side

85-85-v=213-85

-v=128

Now we divide the whole equation by negative 1

-1v/-1=128/-1

v=-128

Hope that helps :)

Solve the exponential equation for x: 7(2x + 2) = 73x.

Answers

The answer is:

[tex] \frac{14}{59} [/tex]Decimal form is 0.2372 is infinity

Explication:

7(2x +2 )= 73x (Remove the parentheses and sort out 7 and solve for each number that is in the parentheses)

14x+14=73x

14x=73-14

-59x=-14

Both sides are divided by -59 but the -59 / -59 is canceled

Multiply the 7 into the bracket and bring the variables one side to solve for x

Proportions to Solve Problems - Item 3335
In a box of 36 pencils, 20 are sharpened.
What is the ratio of sharpened pencils to unsharpened pencils?

Answers

Answer:

20:16

Step-by-step explanation:

Subtract the number of sharpened pencils you have from the total number and you have your ratio.

I WILL GIVE BRAINERLEST AND LIKE AND 5 STARS

For what number of days d will the
total charges for an overdue library
book be $2.40?

Answers

Answer:

You seem to have not posted the whole problem

You did not seem to say the problem

But mabye 30

Help me with 15 :)plz

Answers

Correct Answer is ASA (angle side angle) for proving these triangles congruent.

e the problem ose swims for 20 minutes. He rides his bike for 15 minutes longer than he swims. Then he walks his dog for 30 minutes. How long does it take Jose to swim, bike, and walk his dog? 85 minutes

Answers

Answer:

65 minutes

Step-by-step explanation:

20+15=35

35+30=65

the answer you need is 65 minutes.

an angle measures 176 degrees more than the measure of its supplementary angle. what is the measure of each angle

Answers

Answer:

One angle measures 178º, and the other measures 2º.

Step-by-step explanation:

Given that an angle measures 176 degrees more than the measure of its supplementary angle, to determine what is the measure of each angle, the following calculation must be performed, knowing that the sum between two complementary angles gives 180º:

(180 - 176) / 2 = X

4/2 = X

2 = X

180 - 2 = 178

Thus, one angle measures 178º, and the other measures 2º.

A first-aid cream contains amounts of the active ingredient (in mg) that vary Normally with unknown mean m and standard deviation s from tube to tube. You select a simple random sample of 9 tubes and assess the quantity of active ingredient they contain. The 9 amounts, in mg, are 23 24 23 29 28 26 27 28 26 Based on these data, a 99% confidence interval for the population mean m has margin of error of ____ mg.

Answers

Answer:

2.5 mg

Step-by-step explanation:

Given the data:

23 24 23 29 28 26 27 28 26

The sample standard deviation, s

s = sqrt[Σ(x - mean)²] ÷ (n - 1)

Mean, m = ΣX / n

n = 9

Mean = 234 /9 = 26

Using a calculator :

s = 2.236

The margin of error, MOE

MOE = Tcritical * s/sqrt(n)

Tcritical at df = (n-1) = 9-1 = 8 , α = 0.01 = 3.35536

MOE = 3.35536 * 2.236/sqrt(9)

MOE = 3.35536 * 2.236/3

MOE = 3.35536 * 0.7453333

MOE = 2.50086

MOE = 2.5

Explain the difference between a percent and a unit rate.

Answers

Answer:

A rate is a special ratio in which the two terms are in different units. For example, if a 12-ounce can of corn costs 69¢, the rate is 69¢ for 12 ounces. ... When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates.

Step-by-step explanation:

Vito Corleone has planned a grand outdoor summer wedding for his daughter in New York City. In the past couple of years, it has rained only 25 days out of the 92 days of summer. Unfortunately for Vito, the local meteorologist has predicted that it will rain on the day of the wedding. On a typical summer day: given it rains, the meteorologist predicted that it will rain correctly) 80% of the time On the other hand, given it did not rain, the meteorologist predicted it will rain (incorrectly 20% of the time.
A. What is the probability that the meteorologist predicts that it rains on a given summer day?
B. Given that the meteorologist predicted rain, what is the probability that it actually rains on the day of the wedding?

Answers

Answer:

a) 0.3630 = 36.30% probability that the meteorologist predicts that it rains on a given summer day.

b) 0.5989 = 59.89% probability that it actually rains on the day of the wedding

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

In which

P(B|A) is the probability of event B happening, given that A happened.

[tex]P(A \cap B)[/tex] is the probability of both A and B happening.

P(A) is the probability of A happening.

A. What is the probability that the meteorologist predicts that it rains on a given summer day?

80% of 25/92(prediction of rain, and rained).

20% of 67/92(prediction of rain, did not rain). So

[tex]P = \frac{0.8*25}{92} + \frac{0.2*67}{92} = 0.3630[/tex]

0.3630 = 36.30% probability that the meteorologist predicts that it rains on a given summer day.

B. Given that the meteorologist predicted rain, what is the probability that it actually rains on the day of the wedding?

Conditional Probability, in which:

Event A: prediction of rain

Event B: rain

0.3630 = 36.30% probability that the meteorologist predicts that it rains on a given summer day, which means that [tex]P(A) = 0.3630[/tex]

Rain and prediction of rain:

80% of 25/92. So

[tex]P(A \cap B) = \frac{0.8*25}{92} = 0.2174[/tex]

The desired probability is:

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.2174}{0.3630} = 0.5989[/tex]

0.5989 = 59.89% probability that it actually rains on the day of the wedding

Does the mapping diagram represent a function? Why or why not?
х
y
-6
10
2

Answers

Answer:

use mathwy

Step-by-step explanation:

its better for a. expansion

Which of the following statements represent the relationship between the sine and cosine of complementary angles? Select all that apply

Answers

Answer:

I think its the first and the third one

Step-by-step explanation:

lemme know if this helps :)

Answer:

Step-by-step explanation:

Use the equation below to find y, if m=6, x=4, and b= 15. y=mx-b

Answers

Answer:

Step-by-step explanation:

Y = MX-B,

therefore Y = (6*4) - 15,

so Y = 24 - 15

Y = 9

Priya rewrites the expression 8y−24 as 8(y−3). Han rewrites 8y−24 as 2(4y−12). Are Priya's and Han's expressions each equivalent to 8y−24? Explain your reasoning

Answers

Answer:

sdfsefsesfsfsefsefsefsefsfsefesef

Step-by-step explanation:

Yes, because Han’s expression is 8(y-3) which is 8 x y which equals 8y and then 8 x -3 which equals -24. Priya’s is 2(4y-12). 2 x 4y = 8y and 2 x -12 = -24

What is the slope of the line that contains these points?
х
15
17
19
21
10 2
14
26

Answers

Answer:

Step-by-step explanation:

The slope (m) can be found using the formula ...

m = (y2 -y1)/(x2 -x1)

Any pair of points will do. We can use the first two.

m = (2 -(-10))/(17 -15) = 12/2

m = 6

The slope of the line is 6.

If set M =[even digits from 2 to 8]. Find n(M)

Answers

Answer:

n(M) = 4

Step-by-step explanation:

M = (2,4,6,8)

n(M) = Number of values in set M.

n(M) = 4

What is the area of this figure

Answers

*triangle*
1/2 . 9 . 8
9 . 4
36 m^2

*parallelogram*
9 . 5
45 m^2

Area = 36 + 45
Area = 81 m^2

what is the mean of the ages of the dance instructors?

IM GIVING BRAINLIEST‼️

Answers

Answer:

the answer to this is 25

Answer: 25

To find mean you first need to add up all the ages, which gives you 125. Then you divide that number by how many people. In this case it's 5, so divide 125 by 5 which gives you 25. And that's your answer.

Hope this helped you!

Find the vertex of the parabola y=2x^2+10x+8

Answers

Answer:

Step-by-step explanation:

Put the equation into vertex form.

y = 2x² + 10x + 8

= 2(x² + 5x) + 8

= 2(x² + 5x + 2.5²) - 2·2.5² + 8

= 2(x+2.5)² - 4.5

vertex (-2.5, -4.5)

expand and simplify (2x + 3) (3x - 1)

Answers

Answer:

6x^2+7x−3

Step-by-step explanation:

(2x+3)(3x−1)

Apply the distributive property by multiplying each term of 2x+3 by each term of 3x−1.

6x^2−2x+9x−3

Combine −2x and 9x to get 7x.

6x^2+7x−3

Graph if needed:

Question 11
2 pts
If the temperature at 10:00 am is -23° F and two
hours later at 12:00 pm the temperature rose 6
degrees Fahrenheit, what is the temperature at
12:00 pm in degrees?

Answers

Answer:

17 degrees

Step-by-step explanation:

-23 + 6 = 17

4.91666666667 as a fraction

Answers

Answer:

Up to 6 decimal places are supported for decimal-to-fraction conversion.

Step-by-step explanation:

A motorcycle is 90 inches long. A car is 75% longer than the motorcycle. How long is the car?

Answers

It’s 22.5 inches longer

PLEASEEEEEEE HELP ME! WILL GIVE 20 POINTS AND BRAINLIEST

Answers

Answer:

a - 50/100

b - 9/4

c - 27/8

Step-by-step explanation:

Scale: 50/100

Ratio: 36/16 = 18/8 = 9/4

Ratio: 216/64 = 108/32 = 54/16 = 27/8

Can someone help me!!!!
Also dont put the answers: 201.06 or 131.1 bc I've tried those. :)

Answers

Answer:

870.4 maybe???

Step-by-step explanation:

Answer:

16cm=200.96

12cm=113.04

Find the lengths of the missing side. Round your answer to the nearest tenth

Answers

Answer:

11.2 cm

Step-by-step explanation:

The missing side = the hypotenuse

Apply pythagorean theorem to find he hypotenuse which is given as:

c² = a² + b³

a = 10 cm

b = 5 cm

c = Hypotenuse (missing side)

(Hypotenuse)² = 10² + 5² = 125

Hypotenuse = √125

Hypotenuse = 11.1803399 ≈ 11.2 cm (nearest tenth)

If the temperature was -24 degrees yesterday. If the temperature is 5 degrees now. What was the temperature change

Answers

Answer:

The temperature went up by 29 degrees.

Step-by-step explanation:

Since -24 is negative,

Add 5 to 24 = 29.

Amira wrote the inequality p + 5 = 18. Which situation is best represented by this inequality?

Answers

Answer: Amira added 5 candy bars to the p pile of candy bars there were no more than 18 candy bars in the pile.

Step-by-step explanation: hope this helps

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