ive tried to figure it out && i cant figure it out,, any help ?

Mathematics High School

i’ve tried to figure it out && i can’t figure it out,, any help ?

Answers

Answer 1

Answer:

y = -4x - 11

Step-by-step explanation:

slope intercept form:

y = mx + b

Find y-intercept with slope of -4 and passes through point (-3, 1):

y = mx + b

1 = -4(-3) + b

1 = 12 + b

b = -11 <======== y-intercept

Equation using the given slope of -4 and y-intercept above:

y = mx + b

y = -4x - 11

Related Questions

When asked to find the value of x for
which f(x)=17, Danny answered 39. What
mistake did Danny make? What is the
correct answer?

Answers

Answer and Step-by-step explanation:

We are not given the function in question, but in order to explain, will form a function. Suppose f(x) = 3x + 2.

If f(x) = 17, then

3x + 2 = 17, to find the value of x, we have solve for x in the equation.

3x = 17 – 2

3x = 15

x = 5

This is the method that can be used to solve problems of this nature.

What is the value of x in the solution to this system of equations?

3x−6y=45

y=−2x+5

Answers

3x - 6(-2x+5) = 45 (substitutes y)
3x + 12x - 30 = 45
15x - 30 = 45
15x = 15
x = 1

7. -50 + 5 p 13
(p= -26)
will give 5 stars

Answers

-17.6

Because

50 + 5/13 x -26

50+2.6 x -26

50 + -67.6

-17.6

At what value of x do the graphs of the equations below intersect?
-2x +y = -6
1x + 2y = -2
They intersect at an x value of

Answers

Answer:

They intersect at an x value of 2

Step-by-step explanation:

Rewrite the equations into slope y-int form:

-2x + y = -6

y = 2x - 6

x + 2y = -2

2y = -2 - x

y = -1/2x - 1

Next, set the two equations as equal and solve for x:

2x - 6 = -1/2x - 1

2x + 1/2x = -1 + 6

4x + x = -2 + 12

5x = 10

x = 2

GUYS PLEASE I REALLY NEED HELP IM NOT ABLE TO SPEND TIME WITH MY FAMILY WHILE THEIR HERE PLEASE:(:(:(

Answers

I’m sorry for you bro hope things get better

what is 9 1/2 + 12 find the value

Answers

Answer:

21 1/2

Step-by-step explanation:

What is the answer for a

Answers

8.5
-
1.00 + 2.50 + 2.50 + 2.50 = 8.5

The answer is £8.50

There are 56 students in a school play. The ratio of boys to girls is 3:5. How many girls are in the school play?

Answers

Answer:

35 girls

Step-by-step explanation:

First add the ratios together ( 3+5) this will give you 8. Then divide the total number of students by 8, this will get you 7. Now multiply 7 to 3 and multiply 7 to 5. As the ratio of boy to girl is 3 to 5, to find how many girls are in the school play we multiply 7 to 5. This makes 35 girls.

If you want to check, 7 x 3 =21 boys and 7 x 5=35 girls. 35 +21= 56 (the total number of students).

swimming pool is being filled with a hose. The hose fills the pool at a constant rate. The pool's water level rises 4 inches in hours. What rate per hour of the water level change?

Answers

The required rate of the level of change of water in the swimming pool is 1 / 3 level per hour.

Given that,
The swimming pool is being filled with a hose.
The pool's water level rises 4 inches in hours.
To determine the rate per hour of the water level change.

Here,
Let 1 level of pool = 1 feet = 12 inches
The pool's water level rises 4 inches in hours. So, ti will rises 12 inches in 3 hours, which implies level change after 3 hours
Now the rate of level change of water = 1 / 3 level per hour

Thus, the required rate of the level of change of water in the swimming pool is 1 / 3 level per hour.

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Pls help ill give brainliest.

Do all 3 to get brainliest pls

Answers

Problem 1

A = length times width

A = w(w + 0.6)

A = w^2 + 0.6w

Answer choice D.

Problem 2

16/9 = 42/x

9(42) = 16x

378 = 16x

378/16 = x

23.625 = x

Answer choice C.

Problem 3

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

f(-5) = -20 + 3

f(-5) = -17

Answer choice B.

If you take a number multiply by 5 then takeaway 9, You get the same as if you took the number multiply by 4 then plus 1. What is the number?

Answers

Answer:

Step-by-step explanation:

Set it up algebraically first. Let x be that unknown number

5x - 9 = 4x + 1

5x = 4x + 10

x = 10

So the number is 10

The regular price of an electric scooter is $290. It is on
sale for 20% off. Sales tax is 7%. What is the cost of the
electric scooter after the discount and sales tax are
applied?
$232.00
$294.06
$310.30
$248.24

Answers

Answer:

The cost of the electric scooter after the discount and

sales tax will be: $248.24

Step-by-step explanation:

The regular price of an electric scooter = $290

Discount = 20%

The discount price = 20% × 290

= 20/100 × 290

= $58

The price after the discount = $290 - $58 = $232

Sales tax = 7%

Sales tax amount = 7% × 232

= 7/100 × 232

= $16.24

The cost after the discount and sales tax = $232 + $16.24

= $248.24

2(x + y = 3)
2x + 6y = 16
2x + 2y = 6
Subtract
4y = 10, y = 10/4
10/4 + x = 3, x = 1/2
The two numbers are 10/4 and 1/2

Three partners in a business receive profits in the ratio 2 : 4 : 8. A fourth partner automatically receives $50,000 profit. The company during the year has a profit of $400,000. What are the amounts for the other three partners?

Please answer ASAP, whoever answers correctly will get BRAINLIEST!!!

Answers

The amounts for the other three partners are $25000, $100000, and $200000.

How to compute the value?

The amount that the other people will share will be:

= $400000 - $50000

= $350000

Therefore this will be divided as follows:

A = 2/(2+4+8) × $350000

= 2/14 × $350000

= $25000

B = 4/14 × $350000

= $100000

C = 8/14 × $350000

= $200000

Therefore, the amounts for the other three partners are $25000, $100000, and $200000.

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determine the intercepts of the line2x+5y=-6

Answers

Answer:

y=−2/5x−6/5

Step-by-step explanation:

Noah had $5.25 and Lin had $8.95. How much did they have altogether? Group of answer choices $ 3.70 $ 46.99 $ 14.20 $ 14.10

Answers

Answer:

C. $14.20

Step-by-step explanation:

I got this answer because $8.95 plus $5.25 equals $14.20.

Please mark brainliest

20 POINTS!!

two lines are cut by a transversal such that a pair of alternate interior angles are right angles. are the two lines parallel? explain

PLEASE ANSWER

Answers

When two parallel lines are cut by a transversal, the alternate interior angles are always equal. This is a property that is only true for parallel lines.

When non-parallel lines are cut by another line, the alternate interior angles are not equal.

Step-by-step explanation:

You are given a pair of alternate interior angles which are both right angles and are formed by a transversal line cutting two lines. That means the pair of angles are congruent.

Use the Alternate Interior Angles Theorem and by that those two lines must be parallel.

Please answer the two question in the photo [ Brainliest + points ]

Answers

Answer:

3. obtuse

4.acute

Step-by-step explanation:

Which equation in slope-intercept form represents a line that passes through the point (2,3) and is
perpendicular to the line y - 9 = (0 + 7)?

Answers

Answer:

The answer is below

Step-by-step explanation:

Which equation in slope-intercept form represents a line that passes through the point (2,3) and is perpendicular to the line y−9=23(x+7)

Solution:

The equation of a line in slope intercept form is given as y = mx + b, where m is the slope and b is the y intercept.

Given a line y−9=23(x+7)

y - 9 = 23x + 161

y = 23x + 170. The slope of this line comparing with y = mx + b gives m = 23

Two lines are perpendicular if the product of their slope gives -1.

Let [tex]m_1[/tex] be the slope of the perpendicular line, hence:

[tex]m_1(23)=-1\\\\m_1=\frac{-1}{23}[/tex]

Since the perpendicular line passes through (2, 3), we can get its equation using:

[tex]y-y_1=m_1(x_x_1)\\\\y-3=\frac{-1}{23}(x-2)\\\\y= \frac{-1}{23}x+\frac{2}{23}+3\\\\ y= \frac{-1}{23}x+\frac{71}{23}[/tex]

what is the slope and y-intercept

Answers

Answer:

slope = 2

y int = -4

Step-by-step explanation:

4x - 2y > 8

8 < 4x - 2y

/-2

-4 < -2x + y

2x - 4 < y

slope = 2

y int = -4

(I'm not sure if it is right sorry! hope this helps!)

An area model has 4 shaded parts and 4 unshaded parts. The shaded parts are labeled one-half.
Emma and her 3 friends were thirsty, so she shared One-half gallon of lemonade equally among 4 people. How much lemonade did each person get?

One-half divided by 4 =
.

Answers

Answer:

1/8 half-gallon or 1/16 full gallon

Step-by-step explanation:

Emma and her 3 friends= Four people

Four people shared 1/2 gallon= 1/2 divided by 4

1/2 divided by 4= 1/8

Each person got 1/8 of the half gallon.

This would mean that out of a FULL gallon, they would get 1/16

You earn $9 per hour. Which equation shows the relationship between the time worked in hours, t, and the money earned in dollars, m?
a) t = 9m b) m = 19t c) m = 9t d) m = -9t

Answers

Answer:C

Step-by-step explanation:

c amount made in hour (9) times the number of hours workd (t) equals m
9t=m for example you work 5 hours 9(5)=45 so the answer is c m=9t

the answer is c) m=9t

What is the unknown number that makes the equation true?
44 x 32 =
+ 120 + 80 + 8 (3 points)
1,200
1.100
800
700

Marked !

Answers

Answer: 1,200
Explanation: 44 x 32= 1,408
120+80+8=208
1,408-208=1,200.

Twice a number added to another number is 15. The sum of the two numbers is 11. Find the numbers. Write the numbers from least to greatest

Answers

Answer:

4 and 7

Step-by-step explanation:

There are probably several ways to do this but this is how I did it:

First, I listed all the number combinations, that added together equaled 11.

This is what it looked like:

1, 10

2, 9

3, 8

4, 7

5, 6

6, 5

7, 4

I stopped here since the next step would be to double the first number and 8*2 would already be more than 15.

Then, I doubled the first number and added the second number to it, when I saw that didn't equal 15, I eliminated that possibility and moved on to the next set of numbers. When I reached 4, 7 I saw that 4*2 equaled 8 and 8 plus 7 equals 15 so I had the answer.

There are probably much more efficient ways to do this but this is how I did it.

Hope it helped!

The first number is 4 and second number is 7.

Let us consider that first number is x and second number is y.

[tex]2x+y=15\\\\x+y=11[/tex]

Substitute [tex]y=11 - x[/tex]in equation [tex]2x+y=15[/tex]

[tex]2x+11-x=15\\\\x=15-11=4[/tex]

So, [tex]y=11-x=11-4=7[/tex]

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