Mathematics High School

If x=8 and y=−3, evaluate the following expression:6x−8y

Answers

Answer 1

Answer:

Step-by-step explanation:

here's your solution

=> x= 8

=> y= -3

=> putting the value

=> 8*6 - (8*-3)

=> 48 + 24

=> 72

hope it helps

Answer 2

Hey there!

If x = 8 and y = -3, then SUBSTITUTE it into the equation

6(8) - 8(-3)

6(8) = 48

48 - 8(-3)

8(-3) = -24

48 - (-24)

- & - = +

48 + 24 = 72

Answer: 72

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Related Questions

which is the equation of the line that passes through the points (4,3) and (6,2)

Answers

Answer:

y = -1/2x + 5

Step-by-step explanation:

Find slope:

change in y/change in x

(2-3)/(6-4)

-1/2 = m

Use point-slope form:

y - y1 = m(x - x1)

Where (x1, y1) is a point on the line, let's use (4,3)

y - 3 = -1/2(x - 4)

Point-intercept form:

Expand y - 3 = -1/2(x - 4) to get point-slope form:

y = -1/2x + 5

Hope this helps!! :)

I need help on this and the person who answer this correctly gets a BRANLIST(answer if you know)

Answers

Answer:

14.424778

Step-by-step explanation:

3)(3.141593)+5

=9.424778+5

=14.424778

how to slove cos 41=x/11

Answers

41=x/11

x=41×11

= 451

so the answer is 451

hope it hekps

Answer:

x=451

Step-by-step explanation:

41= x /11

(41)*(11)=( x /11 )*(11)

451=x

What is the area of these

Answers

Step-by-step explanation:

The area of a triangle is calculated by multiplying height to the base and that divided by two

13 × 20 ÷ 2 = 130 ft^2

11 × 4 ÷ 2 = 22 ft^2

4 2/9 x 12 7/8 i need answer

Answers

54 13/36 hope this helps

So my teacher gave me this super hard problem that i could't answer...its 999999999999x99999999999+9 billion can yall help me

Answers

Answer:

10^22

Step-by-step explanation:

Answer:

sure is = 9023000000

Step-by-step explanation:

Miranda's Maid Service charges $280 to clean 8 offices. Mandy's Maid service charges $248.50 to clean 7 offices. Which service charges more per office?

Answers

miranda’s maid service is $35 per office while mandy’s maid service is $35.50 per office so mandy’s maid charges more

Mandy's Maid service charges are more for cleaning one office.

What is a unitary method?

A unitary method is a mathematical way of obtaining the value of a single unit and then deriving any no. of given units by multiplying it with the single unit.

Given, Miranda's Maid Service charges $280 to clean 8 offices.

∴ The cost of cleaning one office is $(280/8) = $35.

Also given Mandy's Maid service charges $248.50 to clean 7 offices.

∴ The cost of cleaning one office is $(248.50/7) = $35.5

learn more about the unitary method here :

https://brainly.com/question/28276953

#SPJ2

Which statements about the graph of y=tax are true

Answers

Answer:

Where are the statments

Step-by-step explanation:

Who is taller (shortest to tallest)
1.2m tall , 10.3dm tall , 131 cm tall

Answers

Answer: DM, M, CM

Step-by-step explanation:

Answer:

Meters

Step-by-step explanation:

Meters are 100 times bigger than centimeters and 1000 times larger than a millimeter.

the question is on the picture :)

Answers

Answer:

2.5

Step-by-step explanation:

y=kx, k is constant of prop

Pleeease! HEEEELLP!!

Answers

Answer:

y = 2x - [tex]\frac{3}{4}[/tex]

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 )

Here m = 2 and c = - [tex]\frac{3}{4}[/tex] , then

y = 2x - [tex]\frac{3}{4}[/tex] ← equation of line

Answer: [tex]y=2x-\frac{3}{4}[/tex]

Step-by-step explanation:

We are going to have to put this into slope-intercept form

"y=mx+b"

m=slope

b=y-intercept

slope=2

y-intercept= [tex]-\frac{3}{4}[/tex]

Now we can put it all together, and remember the will always stay in the equation as it does not stand for anything.

[tex]y=2x-\frac{3}{4}[/tex]

The fifth grade students at oakwood elementary school recorded their favorite ice cream flavor. How many students did not pick strawberry as their favorite ice cream flavor

Answers

Answer:

Step-by-step explanation:

pls helpppppppppqjhg

Answers

Answer:

Step-by-step explanation:

It is the 3rd or 1st one.

What is the slope? I will give brainliest

Answers

Answer:

The rise over run is -1/2

Step-by-step explanation:

B-19=-11. What is the B? Plz help

Answers

Answer:

Step-by-step explanation:

b - 19 = - 11

b = -11 + 19

b = 8

help pls ! I’ll mark brainliest

Answers

Answer:

[tex]y = x + 3[/tex]

Step-by-step explanation:

Y in math is usually referred as the output.

X is usually the input.

In other words,

y is 3 more greater than x.

In other words,

[tex]y = x + 3[/tex]

Helppppppppppppppppp

Answers

Answer:

x pluse 10 y pluse 4 ...don't mind the dots

When 10 is subtracted from a number and then divided by 2, the answer obtained is 4. What is the number . The answer is x = 14. * True False

Answers

Answer:

False

Step-by-step explanation:

14 - 10 = 4 divided by 2 = 2 you do not get 4.

Solve the equation for x.
2(2x - 4) = 3(x + 4)

Answers

Answer:

2(2x-4)=3(x+4)

4x-8=3x+12

4x-3x=12+8

x=20

En un estudio estadistico se van a usar unicamente variables cuantitativas discretas para ingresarlas a un programa de analisis estadistico. la variable que se debe ingresar en el programa corresponde a: a nacionalidad b nivel de escolaridad c edad d altura

Answers

Answer:

la variable que se debe ingresar en el programa corresponde a: c. edad

Step-by-step explanation:

Las variables cuantitativas son aquellas que toman valores numéricos y se clasifican en variables cuantitativas discretas que son las que sólo pueden asumir un número limitado de valores en un determinado rango, como por ejemplo, el número de carros que posee una persona y variables cuantitativas continuas que pueden tomar cualquier valor en un rango específico, como por ejemplo, el peso de un objeto. De acuerdo a estas definiciones, la respuesta es que la variable que se debe ingresar en el programa corresponde a: edad porque es una variable discreta dado que se registra en números enteros y no acepta cualquier valor en un intervalo específico.

Las otras opciones no son correctas porque la nacionalidad y el nivel de escolaridad no son variables cuantitativas y la altura es una variable cuantitativa continua.

You go to the store to buy a Playstation 5 which cost 499 dollars. If you had to
pay San Jose's sales tax which is 9.25%. How would you solve the problem to find
the total cost? *

What is the total cost?*

Answers

Answer:

$545.1575

Step-by-step explanation:

Given function:

499,9.25

Solve ways:

combine 9.25% of 499 and 499

Multiply 9.25 by 0.01:

[tex]9.25%[/tex]·[tex]0.01=0.0925[/tex]

Multiply the cost by 0.0925:

[tex]499[/tex]·[tex]0.0925= 46.1575[/tex]

Combine 46.1575 by the first value:

[tex]499+ 46.1575= 545.1575[/tex]

Therefore, the PlayStation 5 will be a total cost of $545.1575.

For what values of x is the expression below defined?
Sqrt x+5 divided by sqrt 1-x

Answers

Answer:

D. - 5 ≤ x < 1

Step-by-step explanation:

The numerator cannot be the square root of a neg. no.

So, x + 5 ≥ 0 or x ≥ -5

The denominator cannot be a neg. no. or 0.

So, 1 - x > 0

1 > x or x < 1

So, altogether - 5 ≤ x < 1

Therefore, D is the correct answer.

What is the area of the figure below?
36m^2
60m ^2
72m^2
96m^2

Answers

Answer:

Hello!!

your answer will be option D.96m^2

Step-by-step explanation:

[tex]a = 6 \times 10 + \frac{6 \times 12}{2} = 96m ^{2} [/tex]

hope it's helpful

have a great day

Diego took a 20 question quiz and earned a 75% on it.

Answers

Answer:

He got 5 questions wrong so he scored a 75%

Step-by-step explanation:

I hope this helps :)

Answer:

15 questions correct

Step-by-step explanation:

So you know that Diego took a 20 question quiz and got 75% on it so you have to find 75% of 20. 75% is also 3/4, so 3/4x20=60/4=15. Therefore, he got 15 questions correct.

Hope this helps

Given the slope of the line containing the points (-3,1) and (a,-14) is -5/3, find the value of a.

Answers

Answer:

a=6

Step-by-step explanation:

write the equation as y=mx+b

y=-5/3x+b

solve for b

1=-5/3*-3+b

1-5=b

b=-4

Plug in -14 and solve for x

-14=-5/3x-4

-10=-5/3x

30/5=x

x=6 (x is basically a because a is the x coordinate)

12=b+17 My sister is 12 years old. My brother says that his age minus seventeen is equal to my sister's age. How old is my brother?

Answers

Answer:

Step-by-step explanation:

can u guys answer this question? btw look at the side of the picture u will see numbers the color is blue

Answers

where is the picture?

In a survey of 150 students at Kennedy Middle School, 48% said
that their favorite type of pizza crust is thick crust. Predict how many of
the 1,375 students in the school prefer thick crust pizza. Help please!!!

Answers

Answer:

660 people

Step-by-step explanation:

48% people prefer thick pizza

1 375 people x 48% = 660

Which number is a prime number? 2 4 14 24

Answers

Answer:

the prime number is 2. very simple

Answer:

Step-by-step explanation:

any whole number x any whole number cant be 2

PLLLEASEEE HELLPPP I WILL GIVE BRAINLIEST!!!!

Answers

Answer:

Step-by-step explanation:

to make it quick

2*110 = arc FI

220° = arc FI

arc LI = 97°

arc FL = x

360 = 220 + 97 + x

43 = X

arc FL = 43°

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If x=8 and y=−3, evaluate the following expression:6x−8y​

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If x=8 and y=−3, evaluate the following expression:6x−8y