write the equation of a line that passes through the point ( -1, 5) and has a slope of -7

Answers

Answer 1

Answer:

[tex]y=-7x-2[/tex]

Step-by-step explanation:

We can use the point-slope form:

[tex]y-y_1=m(x-x_1)[/tex]

Where m is the slope and (x₁, y₁) is a point.

Let (-1, 5) be (x₁, y₁) and our slope m is -7. By substitution:

[tex]y-(5)=-7(x-(-1))[/tex]

Distribute:

[tex]y-5=- 7 x - 7[/tex]

Adding 5 to both sides gives us our equation:

[tex]y=-7x-2[/tex]


Related Questions

x + 7 = 9
What does X equal?

Answers

2 i hope this helps ok bye
X = 2 because if you subtract 7 from 9 it would equal 2

early says that m ×(-1) is always equal to m ÷(-1) for all rational values of m. is he correct

Answers

Answer:

The equation are true.

Step-by-step explanation:

Given

[tex]m * (-1) = m / (-1)[/tex]

Required

True or false?

We solve this question from right to left:

[tex]m * (-1) = m / (-1)[/tex]

Express / as *

[tex]m * (-1) = m * 1/(-1)[/tex]

[tex]m * (-1) = m * (-1)[/tex]

The expression on both sides of the equation are true.

In the diagram below of parallelogram ROCK, m angle is 70 degrees and m angle ROS is 65 what is the value of x

Answers

Answer:

135

Step-by-step explanation:

The measure of the angle KSO is 135°

What is a parallelogram?

A parallelogram is a special type of quadrilateral that has both pairs of opposite sides parallel and equal.

Given that, In the diagram below of parallelogram ROCK, m angle is 70 degrees and m angle ROS is 65

We know that, opposite angles of a parallelogram are equal,

Therefore, ∠ ORK = 70°

In triangle, SRO, ∠ ORK and ∠ ROS are interior angles, and ∠ KSO is an exterior angle,

We know, The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles.

Therefore, ∠ KSO = ∠ ORK + ∠ ROS

∠ KSO = 135°

Hence, The measure of the angle KSO is 135°

For more references on parallelogram, click;

https://brainly.com/question/29147156

#SPJ2

Combine like terms. Your answer should contain decimals.
0.5(x4-5)+12
4 is a power

Answers

Answer:

0.5x⁴ - 9.5

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Distributive Property

Algebra I

Terms/Coefficients

Step-by-step explanation:

Step 1: Define

0.5(x⁴ - 5) + 12

Step 2: Simplify

Distribute 0.5:                                                                                                 0.5x⁴ - 2.5 + 12Combine like terms:                                                                                       0.5x⁴ - 9.5

PLEASE HELP ONE QUESTION THATS IT

Answers

Answer:

-3,2   -2,4  1,-1

Step-by-step explanation:

PLEASE HELP MEEEEEE

f(x)=4x + 5
f (-3)

Answers

Answer:

evaluate the function with -3 as x value

Step-by-step explanation:

4(-3) + 5

-12 + 5

= -7

Answer:

The answer is -7

Step-by-step explanation:

Use the given functions to set up and simplify  f ( − 3 ) .

Hoped this helped!

brainly, please?

Maria needs $2.35 to buy a magazine. The only money she has is a jar of nickels and dimes. Write an equation in standard form for the different amounts of nickels and dimes she could use.

Answers

Answer:

Step-by-step explanation:

sorry need the points

Can someone help with this problem (time sensitive)​

Answers

Answer:

∠D = 52º

∠E = 32º

∠F = 96º

Step-by-step explanation:

the sum of interior angles of a triangle equals 180º

so: (x + 20) + (3x) + 32 = 180

     3x + x + 20 + 32 = 180                  combine like terms

     4x + 52 = 180                                subtract 52 from both sides

     4x = 128                                         divide both sides by 4

     x = 32

plug x into each angle measure to get them:

∠D = (32) + 20 = 52º

∠E = 32º (given)

∠F = 3(32) = 96º

help lol 30 points. i don’t understand the test is timed. brainliest once i get 2 answers.

Answers

Answer:

mmmmmmm........

Step-by-step explanation:

di ko po alam

0.2 =% yssssssssssssssssssssssssssssssssssssssssss

Answers

Answer:

20%

Step-by-step explanation:

If it was 0.3 it would be 30% or if it was .35 it would be 35%.

0.3 is another way of writing 0.30 but since it's just a zero, you don't really have to write 30.

Answer:

Good luck your so lucky

Step-by-step explanation:

Find the equation of the exponential function represented by the table below:

Answers

Answer:

[tex]f(x)=5(4)^x[/tex]

Step-by-step explanation:

The exponential function is [tex]f(x)=ab^x[/tex].  [tex]a[/tex] is the initial value of the function, or the y-value when x=0. In this case, [tex]a[/tex]=5. If we enter that into the equation:

[tex]f(x)=5b^x[/tex]

Then we can use another point to solve for [tex]b[/tex].

[tex]20=5b^1[/tex]

Since anything raised to the power of 1 remains the same, we can continue to solve algebraically.

[tex]20=5b\\\frac{20}{5}=\frac{5b}{5}\\b=4[/tex]

Now that we have both the [tex]a[/tex] and [tex]b[/tex] value, we can return to the exponential function and fill in the blanks.

[tex]f(x)=5(4)^x[/tex]

I hope this helps!

What is (f o g) (3) if f (x) =3x-1 and g(x) = 4x^2 -9?

Answers

i might not know the answer to this but theres an app called photo math, you scan your problem and it solves it for you!

Answer:

4x+1

Step-by-step explanation:

9) Linda and Maria share £200. Linda has 4 times as much money as Maria.
How much money does Maria have?

Answers

Answer:

40

Step-by-step explanation:

maria is x

linda is 4x

x+ 4x = 200

5x = 200

x= 40

-2x - 6 = 2 - 4x - (x - 1)
solve

Answers

Answer:

Step-by-step explanation:

-2x - 6 = 2 - 4x - x + 1

-2x - 6 = 3 - 5x

3x - 6 = 3

3x = 9

x = 3

-2x-6 = 2-4x - (x-1)

-2x-6 = 2-4x -x + 1

-2x-6 = 3 - 5x

-2x + 5x = 3+6

3x = 9

devide 3 to both side

x = 3

what is 6/5÷7/1 can u tell me pls

Answers

Answer:

6/35

Step-by-step explanation:

6/5÷7/1=6/5 x 1/7 = 6/35

Answer:

6/35

Step-by-step explanation:

I need help fast I’ll really appreciate it.

Answers

Answer:

11 : 8

Step-by-step explanation:

3 + 8 = 11

Answer:

11:8

Step-by-step explanation:

I think i may be wrong I hope this is right

Suppose y varies directly as x. If x = 24 when y = 8, then what is the constant of variation

Answers

Direct variation is represented by the formula [tex]\frac{y}{x} = k[/tex]

where k is the constant of variation.

So here, since we know that x = 24 and y = 8,

the constant of variation must be equal to 8/24.

if we write 8/24 in lowest terms, we have 1/3.

So 1/3 = k.

si Luis ocupa una butaca de tren absorto
. luis está quiero o avanza​

Answers

Answer:

quiero

Step-by-step explanation:

Complete the statement to illustrate the commutative property. (PLEASE ANSWER FAST FOR BRAINLIEST!!!)
10 + (9 + 11) = 10 + (11 + ___ )

a. 11
b. 20
c. 9
d. 10

Answers

Answer:

9

Step-by-step explanation:

The half-life of krypton-91 (91Kr) is 10 s. At time t = 0 a heavy canister contains 3 g of this radioactive gas. Find a function m(t) = m02−t/h that models the amount of 91Kr remaining in the canister after t seconds.

Answers

The answer is m(t) = 3.2 -t/10

13/5 ÷ 4/5 = ??????????​

Answers

I am not good with explianing but here is the answer: 9/5... Basic you subtract the when they ask for you to divid fractions 13-4.

Does anyone know this answer ?

Answers

Use photo math or Socratic

Newton's law of cooling states that the temperature of an object changes at a rate proportional to the difference between its temperature and that of its surroundings. Suppose that the temperature of a cup of coffee obeys Newton's law of cooling. If the coffee has a temperature of 185 degrees Fahrenheit when freshly poured, and 3 minutes later has cooled to 167 degrees in a room at 60 degrees, determine when the coffee reaches a temperature of 137 degrees.

Answers

Answer:

9.4 secs

Step-by-step explanation:

From Newton's law of cooling;

T(t) = Ts + Do e^-kt

Where;

D0= initial temperature difference

Ts= Temperature of the surroundings

t= time

K = positive constant

Do = 185 - 60 = 125 degrees

167 = 60 + 125 e^-3k

167 - 60 = 125 e^-3k

107/125 = e^-3k

ln(e^-3k) = ln(107/125)

-3k = -0.1555

k = 0.1555/3

k = 0.0518

Substituting the value of k to find the time taken to reach 137 degrees

T(t) = Ts + Do e^-kt

137 = 60 + 125 e^-(0.0518t)

137 - 60 = 125 e^-(0.0518t)

77 = 125 e^-(0.0518t)

e^-(0.0518t)= 77/125

ln [e^-(0.0518t)] = ln(77/125)

-0.0518t = -0.4845

t = 0.4845/0.0518

t = 9.4 secs

graph the function. Then State the domain and range. Also increasing and decreasing​

Answers

Answer:

See below, I will let graphing part to yourself.

Step-by-step explanation:

First function: domain: [tex][-9,\infty)[/tex], range: [tex](-\infty, -2][/tex], decreasing

Second function: domain: [tex](-\infty, \infty)[/tex], range: [tex](-\infty, \infty)[/tex], increasing

Third function: domain: [tex][3, \infty)[/tex], range: [tex][-5,\infty)[/tex], increasing

Answer:

First function: domain: [-9,\infty)[−9,∞) , range: (-\infty, -2](−∞,−2] , decreasing

Second function: domain: (-\infty, \infty)(−∞,∞) , range: (-\infty, \infty)(−∞,∞) , increasing

Third function: domain: [3, \infty)[3,∞) , range: [-5,\infty)[−5,∞) , increasing

The model below is shaded to represent 9/10

Answers

Answer:

0.9

Step-by-step explanation:

it is 0.9 because the 10th would put the decimal from 9.0 over one to the left so 0.9

4
Write an exponential decay
equation with a rate of 25% and
an initial value of 6.

Answers

Sorry I dont no hala da yazıyor ben ne oldu sana böyle

Solve the linear equation 3+5x=3

Answers

Step-by-step explanation:

the answer is

3+5x=3

5x=0

x=0

Order these fractions from least to greatest: 1/2 5/6 2/3 3/5

Answers

Answer:

1/2 < 3/5 < 2/3 < 5/6 least to greatest

Step-by-step explanation:

Drag steps in the given order to evaluate this expression,
-3(-3+2) - 6

Answers

Answer:-3

Step-by-step explanation:

Eva is going to the amusement park, where she has to pay a set price of admission and another price for tickets to go on each of the rides. The total amount of money Eva will spend is given by the equation y=26+1.5x. , where y represents the total amount of money, in dollars and cents, and represents the number of rides Eva goes on . What could the number 1.5 represent in the equation ?

Answers

Answer:

B. The change in the total amount if money for every one additional ride she goes on

Step-by-step explanation:

Given,

y = 26 + 1.5x, where,

y = total amount of money Eva will spend

x = number of rides Eva rides on

Thus,

Set price of admission into the amusement park = $26

Price per ride = $1.5

Therefore, the 1.5 I'm the equation can be said to be "the change in the total amount if money for every one additional ride she goes on".

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