A direct variation equation has (-2, 4) and (n, -8) as solutions. Find the missing value.

Answer:

f = 2

Step-by-step explanation:

2 + 1.25f =10-2.75f

Add 2.75f to each side

2 + 1.25f+2.75f =10-2.75f+2.75f

2+ 4f = 10

Subtract 2 from each side

2+4f-2 = 10-2

4f = 8

Divide each side by 4

4f/4 = 8/4

f = 2

Answer:

2

Step-by-step explanation:

Khan Academy and lemme explain.

The range has to be within 1-5, if its over, we know we won't have to get the wrong answer. For me, I honestly guessed the number 3, but then I had to put in each number in the equation. 2 was the solution, because they ended up the same.

2 + (1.25 * 2)

2 + 2.5 = 4.5

10 - (2.75 * 2)

10 - 5.5 = 4.5

4.5 = 4.5

Therefore the answer is 2.

Answer:

9.318 * 10^6.

Step-by-step explanation:

(9.3 * 10^6) + (1.8 * 10^4)

= 9300000 + 18000

= 9318000

= 9.318 * 10^6.

Answer:

8(x + 3)

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Answer

36 hope this helps

Answer:

36°

Step-by-step explanation:

u have the explination for the last one, so im just gonna give u the answer k?

btw that weird little upside down t means parrallell

Answer:

y=3/4x+7

Step-by-step explanation:

You want to find the equation for a line that passes through the point (-4,4) and has a slope of 3/4.

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

To start, you know what m is; it's just the slope, which you said was 3/4. So you can right away fill in the equation for a line somewhat to read:

y=3/4x+b.

Now, what about b, the y-intercept?

To find b, think about what your (x,y) point means:

(-4,4). When x of the line is -4, y of the line must be 4.

Because you said the line passes through this point, right?

Now, look at our line's equation so far: . b is what we want, the 3/4 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the the point (-4,4).

So, why not plug in for x the number -4 and for y the number 4? This will allow us to solve for b for the particular line that passes through the point you gave!.

(-4,4). y=mx+b or 4=3/4 × -4+b, or solving for b: b=4-(3/4)(-4). b=7.

hope this answers your question sorry it's soo long i just like writing long stuff have a great day!!

After dividing the two fractions, the answer in simplest form is

33/25

Answer:

2(L*W)

Step-by-step explanation:

C.150

Step-by-step explanation:

It is the closest to the answer and you would get closest to that even without really needing to work anything out

The best estimation of summation 61.4 + 88.3 after rounding to the nearest whole number is 150.

To round up or down tens place then we need to look at the unit place if it is less than 5 then we need to keep it as it and if it is greater than 5 then we need to round up tens digit.

Given the sum,

61.4 + 88.3

61.4 + 88.3 = 149.7

Now the decimal place is 7 and if the decimal place is greater than 5 then we can round up the digit.

So,

149.7 → 14(9 + 1) = 150

Hence "Summation 61.4 + 88.3 is best approximated as 150 after being rounded to the next whole number".

To learn more about rounding a digit,

https://brainly.com/question/116595

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Answer:140

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

Answer:

i think is 81

Step-by-step explanation:

multiply 3.3.3.3 you would get 81

[tex]3^{4}[/tex] will be equivalent to 81 .

Given,

[tex]3^{4}[/tex]

Now,

A quantity representing a power upto which a number of expression is raised often written in superscript of number or an expression.

Simplify the given form,

[tex]3^{4}[/tex]

= 3*3*3*3

= 9* 9

= 81

Hence,

3 to the fourth power is equal to 81 ( [tex]3^{4} = 81[/tex] ) .

Know more about exponent,

https://brainly.com/question/17173276

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Answer:

4.5

Step-by-step explanation:

Answer:

Dado que f (x) = 50 + 80x, obtenemos m = 80, esto significa que el costo aumenta en 80 cada día

Step-by-step explanation:

La siguiente función representa el costo del alquiler de un auto, en soles, en función del número x de días que se requiera: f(x) = 50 + 80x. ¿Cuánto vale su pendiente y qué representa? a) 130; representa que, por cada día de alquiler, el costo se incrementa en 130 soles. b) 80; representa que, por cada día de alquiler, el costo se incrementa en 80 soles. c) 50; representa que, por cada día de alquiler, el costo se incrementa en 50 soles. d) 30; representa que, por cada día de alquiler, el costo se incrementa en 30 soles

Answer:

La función es una función lineal. Una función lineal tiene la forma y = mx + b, donde m es la tasa de cambio de y con respecto a x, b es el valor de y en x = 0, x es una variable independiente (no depende de otras variables) ey es una variable dependiente (depende de otras variables)

Dado que f (x) = 50 + 80x, obtenemos m = 80, esto significa que el costo aumenta en 80 cada día

Answer:

i think its #4

Step-by-step explanation:

sorry if its wrong

Answer:the answer is 3120

Answer:

3120

Step-by-step explanation:

Answer:

x < .4

Step-by-step explanation:

Please mark Brainliest when you’re able :)

Answer:

Step-by-step explanation:

Step 1 - replace the < with an =

3x + 4.7 = -1.5x + 6.5

Step 2 - subtract 4.7 from each side, and add 1.5x to each side

3x + 1.5x = 6.5 - 4.7

4.5x = 1.8

Step 3 - divide each side by 4.5

x = 1.8/4.5

x = .4

Step 4 - change the = back to <

x < .4

Just make sure when you do it this way you check the answer because if you solved by subtracting 3x and subtracting 6.5 you would end up with .4 = x this .4 < x which is false. So depending what number you get always plug in a number bigger and smaller into the original to check. In this case 0 and 1 work.

3(0) + 4.7 < -1.5(0) + 6.5

4.7 < 6.5 which is true.

3(1)+ 4.7 < -1.5(1) + 6.5

3+4.7 < -1.5 + 6.5

7.7 < 5 which is false

So we know the direction on our < is right.

Answer:

8z+12

Step-by-step explanation:

YEHE BOI

Answer:

valuable, costly, expensive, fine, rare, there are more but here re some :)

Answer:

-18 & 3

Step-by-step explanation:

-18 + 3 = -15

-18 * 3 = -54

Answer:

m=9/7

Step-by-step explanation

I dont think its right but i hope it helps!

The force between two touching grapefruits each with a radius of 0.08 meters and a mass of 0.45 kg is 5.27 * 10⁻¹⁰ N

Newton's law of gravitation is given by:

F = Gm₁m₂/r²

Where F is the force, m₁, m₂ are masses, r is the distance between the two masses and G is the gravitational constant = 6.67 * 10⁻¹¹ Nm²/kg²

Given that m₁ = m₂ = 0.45 kg, r = 0.08 + 0.08 = 0.16 m, hence:

F = 6.67 * 10⁻¹¹ Nm²/kg² * 0.45 kg * 0.45 kg / 0.16²

F = 5.27 * 10⁻¹⁰ N

The force between two touching grapefruits each with a radius of 0.08 meters and a mass of 0.45 kg is 5.27 * 10⁻¹⁰ N

Find out more at: https://brainly.com/question/3715235

Answer:

y=20x

Step-by-step explanation:

b earns 15.5x and doesnt have as steep a slope as a. so it has to be bigger than 15.5.

:)

could u plz vote me brainliest? thx

yes ! the answer is y = 20x ! i just took the test and got it right!!

the other person on a different one was incorrect !

Answer:

Slope is 1000/4 y-int is the starting salary

Step-by-step explanation:

Answer:

Brainliest

Step-by-step explanation:

A.No, that's BIG obtuse

B. No, because that's an obtuse angle and QXP aint

C. No, because that's obtuse as well

D. Ding-Ding-Ding

Answer:

x=8

Step-by-step explanation:

the variable by dividing each side by factors that don't contain the variable.

x=8

Answer:

x=7

Step-by-step explanation:

lx-7l+9=9

lx-7l=0 (Canceled the equal terms on both sides of the equation)

x-7=0

x=7

Answer:

3

Step-by-step explanation:

1/2*base*height

1/2*3*2

=3

Answer:

3

Step-by-step explanation:

Area = 1/2 × Base × Height

Base = 3cm

Height = 2cm

Area = 1/2 × 3 × 2 = 1/2 × 6 = 3cm^2

Answer:

fkrmvgbhd

Step-by-step explanation:

Answer:

its BBBBBBBBBBBBBB

Step-by-step explanation:

plz give brainliest