Mathematics High School

What is the slope of the line
represented by 5x – 7y = 9?

Answers

Answer 1

Answer:

5/7.

Step-by-step explanation:

Convert to slope-intercept form:

5x – 7y = 9

Subtract 5x from both sides:

-7y = -5x + 9

Divide through by -7:

y = (-5/-7) x + -9/7

y = 5/7 x - 9/7

The slope is 5/7.

Related Questions

Solve for j 8 - 4j = -8j​

Answers

Answer:

J = -2

Step-by-step explanation:

You must isolate the variable by dividing each side by factors that dont contain the variable.

So J would equal -2

Solve for J is -2. Hope it helps

help me fast smart people please haha lol

Answers

Answer:

1280 cubic

Step-by-step explanation:

length x width x height

Answer:

B

Step-by-step explanation: Volume=lwh

10*8*16=1280

Answer: B

Write the percent as a fraction in simplest form and as a decimal: (two answers) 20% of the books

Answers

Decimal 0.2 fraction 1/5

give me ur favorite jack harlow song
(and give me a verse/chorus to prove. NO LOOKING IT UP!)

Answers

Answer:

Whats popin

Step-by-step explanation:

What is the area?
4 m
7 m
8 m

Answers

Answer:

224

Step-by-step explanation:

Multiply all the numbers

can someone help me please

Answers

Answer:

39 yards.

Step-by-step explanation:

52 squared plus B squared equals 65 squared

The answer of this question is B. 39 yards

Ella is selling cookies for $4 per dozen. She pays $10 for ingredients (this will be a negative number because she PAID). If she ends up with a profit of $66 how many dozen cookies did she sell?

Answers

Answer:

19 dozen cookies

Step-by-step explanation:

19x4 is 76. She paid 10 dollars so 76-10 is 66. This is the correct number.

Hope it helps!

Can someone help me understand where the positive 2 came from?

Answers

-2 times -1 = positive 2
(two negatives cancel out to form a positive)

Answer:

4(-2)-(0)-2(-1)

a negative number multiplied by a negative number will always equal a positive number as the two negatives cancel each other out.

-2 multiplied by -1 equals positive 2

this is why the 2 is positive.

Can someone help me solve this Y=5/2x-1

Answers

Answer:

m= 5/2

Step-by-step explanation:

PLEASE HELP?
let g be the function given by g (x) = 3x^4 - 8x^3. At what value of x on the closed interval [ -2,2 ] does g have an absolute maximum

Answers

Answer:

When we have a function g(x)

We will have a maximum at x when:

g'(x) = 0

g''(x) < 0.

Now we start with:

g(x) = 3*x^4 - 8*x^3

The first derivation is:

g'(x) = 4*3*x^3 - 3*8*x^2

g'(x) = 12*x^3 - 24*x^2

We can rewrite this as:

g'(x) = x^2*(12*x - 24)

Now we want to solve:

g'(x) = 0 =  x^2*(12*x - 24)

We have one trivial solution, that is when x = 0.

The other solution will be when the term inside of the parentheses is equal to zero.

Then we need to solve:

12*x - 24 = 0

12*x = 24

x = 24/12 = 2

Then g'(x) is equal to zero for x = 0, and x = 2.

Notice that both of these points are included in the interval [ -2,2 ]

Now we need to look at the second derivative of g(x):

g''(x) = 3*12*x^2 - 2*24*x

g''(x) = 36*x^2 - 48*x

Ok, now we need to evaluate this in the two roots we found before:

if x = 0:

g''(0) = 36*0^2 - 48*0 = 0

g''(0) = 0

Then we do not have a maximum at x = 0, this is a point of inflection.

if x = 2:

g''(2) = 36*(2^2) - 48*2 = 48

then:

g''(2) > 0

This is an absolute minimum.

Now let's look only at the interval [ -2,2 ]

We know that:

g''(0) =  0

g''(2) > 0

Then at some point, we should have g''(x) < 0 in our interval.

We need to find the first point such that happens, so let's try with the lower limit of the interval but with the first derivation, if g'(x) < 0, this means that the function is decreasing from that point on, then that point will be a maximum in our interval.

x = -2

g'(-2) = (-2)^2*(12*-2 - 24) = -192

And if we look at the function:

g'(x) = x^2*(12*x - 24)

We can easily see that it is negative unitl x = 0, and then it keeps being negative until x = 2.

So in the interval  [ -2,2 ], the function g'(x) is always negative or zero, this means that in the interval  [ -2,2 ], the function g(x) is always decreasing or constant.

Then the absolute maximum of g(x) in the interval  [ -2,2 ]  will be  x = -2

this means that:

g(-2) ≥ g(x) for all x ∈  [ -2,2 ]

4x-y=3 how can I solve this​

Answers

Rewrite in Implicit form, Move the constant to the left, by adding its opposite to both sides.

Step 1: 4x-y-3=3-3

The sum of the two opposites equals 0.

Step 2: 4x-y-3=0

Solution: 4x-y-3=0

solve for x (8x-4), (3x+17), (17x-23)

Answers

Answer:

=408x3+1556x2−4008x+1564

Step-by-step explanation:\

(8x−4)(3x+17)(17x−23)

Jackie has a recipe for banana bread. She uses 4 1/2 cups of flour to make 3 loaves of banana bread. Andre will follow the same recipe. He will make b loaves of banana bread using f cups of flour. Which of these equations represents the relationship between b and f? HELP
b=9/2f

b=3/2f

b=2/3f

b=2/9f

Answers

Answer:

b

Step-by-step explanation:

GEOMETRY!!!! pls help (also pls explain)

Answers

We have an angle and an adjacent side, and we are looking for an opposite side. Because we have adjacent and opposite, that tells us that we need to use tangent.

10 * tan(31) = 6.008, when rounded to the nearest tenth you would just say 6.

To answer this question, you need trigonometry.

Are you familiar with the chant soh cah toa?

In here, you can see that the side you have is adjacent to the angle you have, and you're trying to find the opposite side. This means you need tangent = opposite ÷ adjacent

If the angle was 30° 45° or 60° Then there is a table you can use to calculate, but there isn't so just use a calculator

tan 31° = x ÷ 10

What is the equation, in slope-intercept form, of the line parallel to -5x + y = 2 that passes through the point with coordinates (-2, 1)?

Answers

Answer:

y = 5x + 11

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

- 5x + y = 2 ( add 5x to both sides )

y = 5x + 2 ← in slope- intercept form

with slope m = 5

Parallel lines have equal slopes, then

y = 5x + c ← is the partial equation

To find c substitute (- 2, 1) into the partial equation

1 = - 10 + c ⇒ c = 1 + 10 = 11

y = 5x + 11 ← equation of parallel line

what is an equation of the line that passes through (0,8) and (4.0)?
A y= 2x+8
B y= 2x+4
C y=-2x+4
D y=-2 x+8

Answers

Answer:

Step-by-step explanation:

Can someone help me with this question please

Answers

39 feet is the answer i think

A total of 366 tickets were sold for the school play. They were elther adult tickets or student tickets. The number of student tickets sold was two times the
of number of adult tickets sold. How many adult tickets were sold?

Answers

Answer:

122 adult tickets

Step-by-step explanation:

x + y = 366

y = 2x

x + 2x = 366

3x = 366

x = 122

Hope this helps. Please give brainliest.

what did you do today? 3 things

Answers

Answer:

eat sleep play

Step-by-step explanation:

Anna invented a robot. The robot's name is David. David can go a maximum speed of 4 mph. At that rate, how long would it take David to go 9 miles?​

Answers

Answer:

At maximum speed the robot can travel 9 miles in 2hrs and 15 min

Step-by-step explanation:

352 divided by 25 multiplied by 2 subtracted by 3

Answers

Answer:

25.16

Step-by-step explanation:

Answer:

25.16

Step-by-step explanation:

A=(352/25 *2) - 3 = 25.16.

6. If F(x) = -6(2x2 + 5x) - 9, what is the value of F(-4)?

Answers

Answer:

-81

Step-by-step explanation:

-6(2x² + 5x) - 9

substitute -4 for 'x'

-6[2(-4)² + 5(-4)] - 9

-6[2(16) + (-20) - 9]

-6(32 - 20) - 9

-6(12) - 9

-72 - 9 = -81

The graph shows the number of each type of sticker in a box.
Stickers
30
25
20
Number in Box
15
JU
10
5
0
bear
cat
frog
rabbit
dinosaur
Type
How many fewer frog stickers are there than cat stickers?
O A 10
O c. 2o
D. 25
B. 15

Answers

Answer:b?

Step-by-step explanation:

Emily sold 132 boxes of cookies for a fundraiser. If she sold 80% of the total number of boxes sold for the fundraiser, how many total boxes of cookies were sold for the fundraiser?

Answers

Answer:

165

Step-by-step explanation:

132x100= 13200

13200divide 80 = 165

What is 1.75 kilometres as a fraction of 700 metres?
Give your answer in its simplest form

Answers

Answer:

5/2

Step-by-step explanation:

1km=1000m

1.75 x 1000=1750

1750/700 = 5/2

What is the graph of the function f(x) = the quantity of x squared minus 7 x plus 12, all over x minus 3? (1 point)

Answers

Answer:

Step-by-step explanation:

Hyhh

PLEASE HURRY WILL GIVE BRAINLIST ​

Answers

I don’t wanna do this equation by 75 -45 is going to get you 75 and then you take 180-75 which is 105 and you take one of the 105-65 which is 35

Answer:

87

Step-by-step explanation:

Please answer with explanation thank you

Answers

9514 1404 393

Answer:

ACB

Step-by-step explanation:

On a position-time graph, "does not move" means the position is a constant—a horizontal line.

"Positive velocity" means the position is increasing as time increases. The graph goes up to the right. The rate of change (slope) is the velocity.

"Negative velocity" means the position is decreasing as time increases. The graph goes down to the right. Again, the rate of change (slope) is the velocity.

The various sections of the graph are identified in the attachment.

Is y= -x a linear equation

Answers

Answer:

yes

Step-by-step explanation:

Rover A: y= 1.3x - 4
Rover B: 3y = 3.9x - 12

What conclusion can you make about the system of equations?

A. The system has exactly one solution.

B. The system has infinitely many solutions.

C. The system has no solution.

Answers

Answer:

I think it is A

Step-by-step explanation:

because there is only 1 slope which is 3 and the y intercept is 4

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