plz help my grade went down

Plz Help My Grade Went Down

Answers

Answer 1

Answer:

Slope = -4

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes, which means that multiplying their slopes result in a product of -1. Given the equation, x - 4y = - 12:

Transform the equation into its slope-intercept form, y = mx + b:

x - 4y  = - 12

x - x - 4y = - x - 12

-4y = -x - 12

Divide both sides by -4:

[tex]\frac{-4y}{-4} = \frac{-x - 12}{-4}[/tex]

y =  ¼x + 3  ⇒ (This is the slope-intercept form of the given standard equation, x - 4y  = - 12).

Since the slope of the given equation is ¼, then it means that its negative reciprocal must be - 4:

(¼) (-4) = -1

Therefore, the slope of the line perpendicular to x - 4y = - 12 is - 4.

Answer 2
it’s 1/4 because if you apply the formula you just get that so m=1/4

Related Questions

calculate the time taken for a train to travel 1000m if its initial is 3 m/s and it is moving at a constant acceleration of 0.1m/s^2

Answers

Answer:

Step-by-step explanation:

For obects already in motion, the distance travelled, s, is:

s = vi*t + (1/2)at^2

where vi is the initial velocity, a is the acceleration, and t is the time in seconds.

We want the time, t, to reach 1000 meters.

1000 m = (3 m/s)*t + (1/2)*(0.1m/s^2)*(t^2)

(1/2)*(0.1m/s^2)*(t^2) = 0.05t^2

0.05t^2 + 3t -1000 = 0

Solve quadratic equation:

t = 114.6 seconds

Jodi is going to start up a cookie baking business over the summer to make some extra money. It costs her $2.45 in supplies to make a dozen cookies. She wants to markup the price by 150%. How much should she sell a dozen cookies for? $

Answers

Sfbxdfgbbffjxhndkxhbdbdidhdbdudbdjxudj

answer pls for 30 points and brainliest​

Answers

Answer:

your answer will be letter B

Step-by-step explanation:

what is the unit rate of 588 and 12

Answers

Answer:

49

Step-by-step explanation:

588  divided by 12                        49

___                                  =           -------          

12    divided by 12                           1

Hope this helped, click thanks if it did

f(x)=3x-7 input is 3

Answers

Answer:

The answer is f(x)=2

Step-by-step explanation:

When the input is given it means that the x is substituted by that number.

so 3x3-7.

3x3-7

9-7=2.

The f of x is equivalent to 2.

I hope this helps :D

Consider the function shown. How can you restrict the domain so that f(x) has an inverse? What is the equation of the inverse function?

Answers

The correct option is D f⁻¹(x) = 2 + √(x + 2).

What is a function?

A function is defined as the expression that set up the relationship between the dependent variable and independent variable.

The inverse function of a function f in mathematics is a function that reverses the operation of f.

The given function is f(x) = 1 / (2 + √(x + 2)). The inverse function of the given function is,

f⁻¹(x) = 2 + √( x + 2).

Therefore, the correct option is D f⁻¹(x) = 2 + √( x + 2 ).

To know more about a function follow

brainly.com/question/3831584

#SPJ1

for f(x)=5x+1 find f(-4)

Answers

Answer:

-19

Step-by-step explanation:

f(-4) = 5(-4)+1 = -20+1 = -19

please help im confused

Answers

Here are the answers hope they help

Hi there!

We are given two exterior angles. Don't panic! We know that exterior angles form a linear pair, which means they add up to 180 degrees.

180-130=50

180-96=84

Now that we have those angles, how can we work out the value of x?

Turns out that all the angles in any triangle add up to 180 degrees.

So

180-84-50=46 degrees.

So the value of x is 46 degrees.

Now let's work out the value of x in the next problem.

180-126=54

180-54-43=83 degrees

So the value of x in this problem is 83 degrees.

Let's move on to the third problem.

At first, it seems like we do not have enough information.

If we know that the right angle is 90 degrees (it is shown by a little square), then we have enough information.

180-90-43=47 degrees

So the value of x is 47 degrees.

Hope this helps you!

~Just an emotional teen who listens to her favorite song "Try Everything"

[tex]SilentNature[/tex]

Please help meeeee how do you reflect this?????

Answers

Answer:4 units down and 2 units right if I’m wrong I’m sry

Step-by-step explanation:

Answer:

Please I can't see the question well

FIND THE FACTORS OF THE FOLLOWING POLYNOMIAL 3y²-2y-1

Answers

Answer:

y

[tex] y2 - 2y - 3[/tex]

[tex](y - 1)(y + 3) [/tex]

[tex](3y - 1)(3y + 3)[/tex]

Step-by-step explanation:

you multiple the 3 with the 1

then factor

then divide by 3 again but the denominator goes in front of the y.

A recipe that would make 18 cupcakes
calls for 4 teaspoons of vanilla. How
many cupcakes is that per teaspoon?

Answers

Answer:

Hello there,

Let's solve,

It takes 4tsp for 18 cupcakes

thus for 1tsp it'll be,

= 18/4

= 4 and a half cupcake

That is one teaspoon of vanilla is needed for 4 and a half cupcakes.

All the best!

solve −2 1/4⋅(−2 1/3)

a −5 1/4
b −4 1/1
c 4 1/12
d 5 1/4

Answers

Answer:

5 1/4

The answer is d (d 5 1/4)

Answer: D

Step-by-step explanation:

[tex]-2\frac{1}{4}[/tex] × [tex]-2\frac{1}{3}[/tex]

= [tex]\frac{-9}{4}[/tex] × [tex]\frac{-7}{3}[/tex]

= [tex]\frac{3}{4}[/tex] × [tex]7[/tex]

= [tex]\frac{21}{4}[/tex] or [tex]5\frac{1}{4}[/tex]

please give me a brainliest answer

q
1
y=qx
P
Write x in terms of p, q and y.

Answers

Answer:

x = [tex]\frac{y}{pq}[/tex]

Step-by-step explanation:

y = pqx ( isolate x by dividing both sides by pq )

[tex]\frac{y}{pq}[/tex] = x

7 pls pls pls help meeee!

Answers

It's 90° because Z has to be 45

1260=(n-2) x 180what is n?

Answers

Answer:

N = 9

Step-by-step explanation:

1. 1260 / 180 = 7

2. Because we removed 2 before, we're going to add 2 because we're doing it in reverse and we get 9, therefore the answer is 9

Fine a number such that half of the number is 4 more than 6.​

Answers

Answer:

20

Step-by-step explanation:

20 / 2 = 10

10 - 4 = 6

4 more than 6 = 4 + 6 = 10

The number’s half is 10 therefore the number is 10 x 2 = 20

Answer = 20!

4-2y=-2x in slope intercept form

Answers

Answer:

y=x+2

Step-by-step explanation:

4-2y=-2x

Divide everything by 2.

2-y=-x

Switch to y=mx+b form.

-y=-x-2

Multiply everything by +1.

y=x+2

Leticia spends $18.45 on a shirt. She spends at least $3.00 more than Humberto spends. If h represents the amount Humberto spends, which symbol can be used to complete the inequality below to represent this situation?

18.45 blank 3 + h
>
<
Greater-than-or-equal-to
Less-than-or-equal-to

Answers

Answer:

>

Step-by-step explanation:

28.45 >3+hgydnjsjsjjsjkso

7819 rounded to 1 significant figure

Answers

Answer:

8000

Step-by-step explanation:

Which expression is equivalent to 6m + (m – 2)(m + 7) + 3?

Answers

Answer:

m^2+11m-11.

Step-by-step explanation:

Answer: When x=10 , both expressions have a value of 33. James determined that these two expressions were equivalent expressions using the values of x= 4 and x=6 .Which statements are true? Check all that apply. When x=2, both expressions have a value of 18. The expressions have equivalent values for any value of x.

Step-by-step explanation:

Hope this helps!


Write an equation in slope-intercept form for the line with slope 1/4 and y-intercept -3

Answers

Answer: [tex]y=\frac{1}{4}x-3[/tex]

Step-by-step explanation:

PLEASE ANSWER ALL THESE FOR 60 POINTS!!!

Answers

Answer:

Step-by-step explanation:

17. ≈ 1.41 + 5 = 6.41

18. ≈ 1.73 × 2.24 = 3.8752

19. ≈ 3.14 × 25 = 78.5

20. ≈ 2.24 × 2.24 = 5.0176

21. ≈ 10 - 2 × 3.14 = 10 - 6.28 = 3.72

22. I’m sorry. I don’t know.

please give me a brainliest answer

The figure is a drawing of a field that will be planted with new grass. What is the area of the field?
a 36.0 ft2
b 292.5 ft2
c 1,296.0 ft2
d 270.0 ft2

Answers

Answer:

Step-by-step explanation:

The point A(−4,5) is reflected over the point (2,3) and its image is point B. What are the coordinates of point B?

Answers

Answer: (8,1)

Step-by-step explanation:

The line that connects (-4,5) and (2,3) has a slope of (-2/6) or -1/3. The y-intercept is calculated from one of the points: 3 = -(1/3)*(2) + b

b = 3 2/3

The equation for the line is y = -(1/3)x + 3 2/3

The reflection covers a distance of x of (2 - (-4)) = 6. Add 6 to the x value of (2,3) and calculate the resulting y. (8,y): y = -(1/3)(8) + 3 2/3, y = -8/3 + 11/3 = 3/3 or 1

The point is (8,1)

Cuantos lugares sobran de acuerdo con el número de las mesas y de los invitados que te tienen?

Answers

Answer:la cantidad de invitados y la cantidad de mesas que no nos dio por favor agréguelo para que pueda ayudarlo :))

Step-by-step explanation:

There are ten eggs in a carton. How many eggs are in four cartons?

Answers

Answer:

40 because 10 x 4 = 40

Step-by-step explanation:

Dude this is baby level question

Answer is 10×4= 40

So 40 Eggs

A line is represented by the equation y = x + 2. Suppose the slope of the line was doubled and the value of the y-intercept was divided by 2. What is the equation of the new line?

Answers

Answer:

y = 2x + 1

Step-by-step explanation:

slope is the coefficient of the 'x' term, in this case 1

doubling 1 gives you 2

y-intercept is 2, dividing this by 2 gives you 1

what is 8 divided by 9/10

7 divided by 5/8

8 divided by 1/2

9 divided by 2/3

8 divided by 5/8

8 divided by 1/4

1 divided by 5/10

8 divided by 1/3​

Answers

Answer:

8 divided by 9/10

= 8.8888... = 8 8/9

7 divided by 5/8

= 11.2 = 11 1/5

8 divided by 1/2

= 16

9 divided by 2/3

= 13.5 = 13 1/2

8 divided by 5/8

= 12.8 = 12 4/5

8 divided by 1/4

= 32

1 divided by 5/10

= 2

8 divided by 1/3​

= 24

Step-by-step explanation:

*Add 6 to the difference between 9 and 7*

Answers

Answer:

(9-7)+6

2+6

8...........

Answer:8

Step-by-step explanation:9-7=2. 2+6=8

Rachna borrowed a certain sum at the rate of 15% per annum. if she paid at the end of the two years Rs.1290 as interest Compounded annually, find the sum she borrowed.​

Answers

Given info:

Compound Interest = Rs.1290

Rate of Interest = 15% p.a

Time = 2 years

Formula we have to know:-

[tex] \dag{\underline{\boxed{\sf{C.I = P \bigg(1 + \dfrac{R}{100} \bigg)^{n} - 1}}}}[/tex]

Where

C.I = Compound Interest

P = Principle

R = Rate of Interest

N = Time

[tex]\textsf{ \underline{Solution-}}\\[/tex]

Here

C.I = Rs.1290

R = 15%

N = 2 years

Principle = ?

Now,Calculating the sum (Principle) borrowed by Rachna

[tex] \quad{: \implies{\sf{C.I = \Bigg[P \bigg(1 + \dfrac{R}{100} \bigg)^{n} - 1 \Bigg]}}}[/tex]

Substituting the given values

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg(1 + \dfrac{15}{100} \bigg)^{2} - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg(\dfrac{(1 \times 100) + 15}{100} \bigg)^{2} - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg(\dfrac{115}{100} \bigg)^{2} - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg(\dfrac{115}{100} \times \dfrac{115}{100} \bigg) - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg(\dfrac{13225}{10000} \bigg) - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg( \cancel{\dfrac{13225}{10000}} \bigg) - 1 \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = \Bigg[P \bigg({1.3225 - 1} \bigg) \Bigg]}}}[/tex]

[tex]\quad{: \implies{\sf{1290 = P \times {0.3225}}}}[/tex]

[tex]\quad{: \implies{\sf{\dfrac{1290}{0.3225} = P}}}[/tex]

[tex]\quad{: \implies{\sf{\dfrac{1290 \times 1000}{0.3225 \times 1000} = P}}}[/tex]

[tex]\quad{: \implies{\sf{\dfrac{12900000}{3225} = P}}}[/tex]

[tex]\quad{: \implies{\sf{\cancel{\dfrac{12900000}{3225}} = P}}}[/tex]

[tex]\quad{: \implies{\sf{Rs.4000 = P}}}[/tex]

[tex]\quad{\dag{\underline{\boxed{\tt{\blue{Principle} = \purple{Rs.4000 }}}}}}[/tex]

[tex]\begin{gathered}\end{gathered}[/tex]

Hence,

The sum (Principle) is Rs.4000.

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