write the equation of the line that passes through the point of (2,-1) and has a slope of -3​

Answers

Answer 1

Answer:

y=-3+5

Step-by-step explanation:

Setting y=Ax+B we find that the slope A=-3 and -1=-3(2)+B which means that B=5. Thus, the equation of the line is y=-3x+5.


Related Questions

when 25 percent is allowed,a customer pays Rs 1680 to buy a watch.Find the cost of the watch before the discount.​

Answers

Answer:

nobody knows, go to a shop

Step-by-step explanation:

Cost price percentage =100%
Percentage discount =25%
Therefore percentage that the customer bought = 100 - 25= 75%

If 75% = Rs 1680
then 100% =100 x 1680/75
= Rs 2240
Hence the cost of the watch before discount is Rs 2240

Find the length of the hypotenuse round to the nearest hundredth

Answers

Answer:

[tex]\displaystyle 4\sqrt{5}[/tex]

Step-by-step explanation:

Use the Pythagorean Theorem:

[tex]\displaystyle a^2 + b^2 = c^2 \\ \\ 8^2 + 4^2 = c^2; \sqrt{80} = \sqrt{c^2} \\ \\ 4\sqrt{5}\:[or\:8,94427191...] = b[/tex]

So, you have this:

[tex]\displaystyle 8,94 ≈ c[/tex]

I am joyous to assist you at any time.

Dante watched a video for 3/8 minutes. He watched another video for 1/8 minutes.
For how long did he watch videos in all?

Write your answer as a fraction in simplest form.

Answers

Answer:4/8 are u in pre?

Step-by-step explanation:

The relationship between the total distance traveled in miles, y, and time, in hours, x, can be described by the equation y=65x. What is the constant of proportionality?

Answers

The constant is 65 because you are always going 65 miles per hour according to this equation

You open a brand-new savings account January 1, 2021. Every paycheck you earn you deposit $25 into a savings account, and you never make any withdrawals from this account. Your savings account makes 0.01% interest and is compounded monthly. Assuming you get paid every two weeks (twice a month) how much money will you have at the end of the year?

Answers

The amount of money that you will have at the end of the year from your brand-new savings account is $600.69.

What is future value?

The future value is the value of periodic cash flows in the future.  It can be computed using an online finance calculator as follows:

Data and Calculations:

N (# of periods) = 24 (12 X 2)

I/Y (Interest per year) = 0.12% (0.01% X 12)

PV (Present Value) = $0

PMT (Periodic Payment) = $25

Results:

FV = $600.69

Sum of all periodic payments = $600.00 ($25 X 24)

Total Interest = $0.69

Thus, the amount of money that you will have at the end of the year from your brand-new savings account is $600.69.

Learn more about future values at https://brainly.com/question/24703884

HELPPP FOR BRIANLEST!!!

Answers

Answer:

1/16

Step-by-step explanation:

NOT vanilla and NOT Saturday (1) over total (16)

1/16

find the degree measure of angle a in the diagram below

Answers

Answer: 30

Step-by-step explanation:

Suspensions require active mixing to stay suspended

Answers

Answer:

any other part of the question?

Step-by-step explanation:

Carmen buys 153 shares of Cawh Consolidated Banks, each of which pays a constant yearly dividend of $7. 14. After six years, how much has Carmen received in dividends? a. $5,783. 40 b. $1,820. 70 c. $1,092. 42 d. $6,554. 52 Please select the best answer from the choices provided A B C D.

Answers

Answer:

d. $6,554.52

Step-by-step explanation:

1) 153 shares x $7.14 = $1092.42

2) $1092.42 x 6 = $6,554.52

helppppppppppppp:))))

Answers

Please mark my answer the brainliest and rate me 5 star and follow me.

please please please please please please

Given 8x=-24, What is the value of x?
a. -3
b. 12
c. -2
d. 3

Answers

Answer:

divide both sides by 8.

x=-3

The answer for you’re question is A. -3

find the value x from the diagram below and then find M ∠ ABC

Answers

Answer:

Answer:  x = [tex]\frac{25}{6}[/tex]

              ∠ABC = 53°

Step-by-step explanation:

Solution In given triangle, 2B=12x+3

12x+3

∠A = 86 , ∠C = 43°

We know that, Sum of all angles of triangle is 180°

86

∴ ∠A+ ∠B + ∠C = 180°

a

86 + 12x+3+ 43 = 180°

4-3

12x = 180° - 130

X = [tex]\frac{50}{12}[/tex] x = [tex]\frac{25}{6}[/tex]

с

∠ABC = 12x + 3 = [tex]\frac{12}{6}[/tex]x25 +3 → 50+3 = 53

Expand
3(x + 4)
Could you explain the answer as well and I hope u have an amazing day if your reading this<33

Answers

Answer:

See below.

Step-by-step explanation:

3(x+4)

You multiply 3 by all of the terms in the parenthesis.

3*x and 3*4

The simplified product is 3x+12.

-hope it helps

suppose ice cream cones were sold on Saturday and were sold on Sunday. What is the 8 + 25 7x − 9 total number of ice cream cones sold?

Answers

Answer:

is a figure giving a long side right in names the point and lines

4. April took out a $600 loan from the
bank. At the end of 5 years, she pays
back the principal, plus $60 simple
interest. What was the interest rate?
7. Cora's
weigh
thev
perc
rou
1 of 2
Assessment, Form A

Answers

Answer:

60/600=.1

.1/5=.02=2% interest rate over 5 years

Please help!! Determine if 3 and 4 are linear the explain why it why not

Answers

Okay the first one is liner because if u show it on a graph , the line would be straight.
The second one is not liner because it is not a straight line

For one photography session, Dexter earns no less than $50, but no more than $100. Which inequality can be used to represent his earnings, e?

e ≥ 50 or e ≤ 100
e > 50 or e < 100
50 < e < 100
50 ≤ e ≤ 100

Answers

Answer:

The 4th - 50 ≤ e ≤ 100

Step-by-step explanation:

Hope this helps!

Answer:

D

Step-by-step explanation:

[tex]50 \leqslant e \leqslant 100[/tex]

this is because e is greater than 50 but 100 is greater than e

pls give brainliest

At an intersection, the red-light times are normally distributed with a mean time of 3 minutes and a standard deviation of 0. 25 minutes. Using the empirical rule, approximately what percent of red lights last between 2. 5 and 3. 5 minutes? 32% 68% 95% 99. 7%.

Answers

The red light lasts between 2.5 minutes and 3.5 minutes is 95 %. Then the correct option is C.

What is normal a distribution?

It is also called the Gaussian Distribution. It is the most important continuous probability distribution. The curve looks like a bell, so it is also called a bell curve.

At an intersection, the red-light times are normally distributed with a mean time of 3 minutes and a standard deviation of 0. 25 minutes.

In this case, the mean is 3 and the standard deviation is 0.25, We move one space to the right that would represent 3.25 minutes, one more space to the right that is 3.50 minutes. Similarly, we move one space to the left, this would be 2.75, one more space to the left, and the shows 2.50 minutes.

Thus, the correct option is C.

More about the normal distribution link is given below.

https://brainly.com/question/12421652

Is this correct? If not what is the correct answer

Answers

Answer:

it would be the first one

Step-by-step explanation:

Justin builds a triangular fenced area for his dog called Triangle ABC. If AB = 17 ft and BC = 8ft, and angle C is a right angle, which of the following are true? Select all that apply.
ロThe missing side measures 12.5 ft.
ロ The missing side of the fence measures 15 ft.
ロ The perimeter of the fence is 40 ft.
ロ The perimeter is 37.5 ft.
ロ The area inside the fenced in section is 60 sq ft
ロ The area inside the fenced section is 68 sq ft.

Answers

The missing side of the fence measures 15 ft

The perimeter of the fence is 40 ft

The area inside the fenced in section is 60 ft²

The fence is triangular and a right triangle.

Right triangle:

A right triangle has one of its angle as 90 degrees. Therefore, the sides can be found using Pythagoras theorem.

c² = a² + b²

17² - 8² = b²

b = 15 ft

AC = 15 ft

perimeter of the triangle = 15 + 8 + 17 = 40 ft

Area of the triangle = 1 / 2 × 15 × 8 = 60 ft²

Therefore,

The missing side of the fence measures 15 ft

The perimeter of the fence is 40 ft

The area inside the fenced in section is 60 ft²

learn more on right angle triangle here; https://brainly.com/question/2192748

A bird drops a stick to the ground from a height of 70ft. The function h = -16t^2 + 70 gives the​ stick's approximate height h above the​ ground, in​ feet, after t seconds. Graph the function. At about what time does the stick hit the​ ground?

Answers

Answer:

√ 80/16=t t=0.5590169943749474

Step-by-step explanation:

The function h(t) = -16t^2 + 70 is a quadratic function, and the stick hits the ground at about 2.092 seconds

Here, we have,

to determine the time it hits the ground:

The function is given as:

h(t) = -16t^2 + 70

Next, we plot the graph of the function h(t)

From the graph of the function h(t) (see attachment), we have the following highlight:

t = -2.092 and t = 2.092 when h(t) = 0

Time cannot be negative.

So, we have:

t = 2.092

This means that the stick hits the ground at about 2.165 seconds

Read more about quadratic functions at:

brainly.com/question/8649555

#SPJ2

At the book store you purchased some $5 clearance mystery books and $12 regular priced science fiction books how many of each did you buy if you spent a total of $126?
5 mystery and 9 sci-fi
6 mystery and 8 sic-fi
7 mystery and 7 sci-fi
8 mystery and 6 sci-fi

Answers

Answer:
To find the answer to this question, we have to multiply the number of books by the price, then add the prices together. I did this, but it seemed that none of the answer choices are correct. Make sure you included all important information that we need to answer the question.

Step-by-step explanation:

Help me out it’s urgent

Answers

Answer:

sorry but i also dont kbow

One sponsor will donate $80 just for entering the race. Another sponsor will donate $12 for each mile she walks. How many miles should she walk if she wants to raise exactly $200 from those two sponsors?

Answers

Answer:

10 miles

Step-by-step explanation:

first you subtract 80 from 200

200-80= 120

then you divide 120 by 12

120/12= 10

she will need to walk 10 miles in order to raise 200 dollars

hope this helped!

Can the side lengths of 4, 8, and 14 form a triangle?

Answers

Answer:

No.

Step-by-step explanation:

8+4, the sides is not greater than 14, so no.

Daniel has $100. After he buys 4 pencils and 3 pens, he has $7 left. If each pencil costs $3 more than each pen, is $25 enough to buy 2 pens?

Answers

Answer:  Yes, Daniel has enough money to buy 2 pens.

=========================================================

Explanation:

x = cost of one pencil

y = cost of one pen

4x = cost of 4 pencils

3y = cost of 3 pens

4x+3y = cost of 4 pencils and 3 pens

100 - (4x+3y) = amount Daniel has left = 7 dollars

100-(4x+3y) = 7 is one equation we can form

Another equation we can form is x = y+3 because "each pencil costs $3 more than each pen".

Let's plug that into the first equation and solve for y.

100-(4x+3y) = 7

100-(4(y+3)+3y) = 7

100 - (4y+12+3y) = 7

100 - (7y+12) = 7

100 - 7y - 12 = 7

-7y + 88 = 7

-7y = 7-88

-7y = -81

y = -81/(-7)

y = 11.57 is the cost of one pen

2y = 2*11.57 = 23.14 is the cost of two pens.

Since this is less than $25, this means he has enough to buy two pens. This assumes that we either ignore tax, or the tax is already included in the listed prices.

There are 100 bacteria in a jar. Every day, the number of bacteria increases 25%. In approximately how many days will there be 500 bactria in the jar? Pick the closest answer.
A. 3
B. 12
C. 10
D. 2
E. 7

Answers

Answer:

E. 7

Step-by-step explanation:

General form of exponential equation:  [tex]y=ab^x[/tex]

where [tex]a[/tex] is the initial value, [tex]b[/tex] is the growth/decay rate, and [tex]x[/tex] is time.

Given:

[tex]a[/tex] = 100 bacteria[tex]b[/tex] = 25% increase = 1.25[tex]x[/tex] = number of days

⇒ [tex]y=100 \cdot 1.25^x[/tex]

If y = 500, then:

[tex]\implies 500=100 \cdot 1.25^x[/tex]

[tex]\implies 5=1.25^x[/tex]

[tex]\implies \ln5=\ln1.25^x[/tex]

[tex]\implies \ln5=x\ln1.25^[/tex]

[tex]\implies x=\dfrac{\ln5}{\ln1.25}[/tex]

[tex]\implies x=7.212567439...[/tex]

[tex]\implies x \approx7[/tex]

What is this question?

Answers

Answer:

so its saying ummm write x with < or > or the other ones but with equal on the bottom

i think the answer here would be x < 5

Step-by-step explanation:

because it cannot be equal to 5 since the circle is hollow. also x just goes to the number less than 5

Solve for x in the diagram below (6x-2)

Answers

Answer:

x=12 is the answer to this question

What is the 11/30 take away 3/10 in it’s simplest form

Answers

Answer:

1/15 is simplest, answer 2/30

Step-by-step explanation:

11/30 - 3/10. Find LCD

Since it's 30, leave 11/30 how it is and turn 3/10 into 9/30

Next, 11-9=2

meaning 2/30, which if you divide by 2 both sides, you get 1/15.

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