Find the value of 4x2 – 2y when x = 3 and y = 2.

Answers

Answer 1

Answer:20

Step-by-step explanation:

4(3)2-2(2)

12(2)-4

24-4=20


Related Questions

Help ASAP!! In which pair do both decimals represent rational numbers

Answers

Answer:

A is right

Step-by-step explanation:

The pair of both decimals that represent rational numbers is in option [tex](a)[/tex].

What are rational numbers ?

A rational number is a number which is expressed as the ratio of two integers, where as the denominator should not be equal to zero [tex](\neq 0)[/tex] and   are terminating and no-terminating but repeating decimals.

What are irrational numbers ?

Irrational numbers can not be expressed in the form of fractions and are non-terminating and non-recurring.

We have,

[tex]0.752[/tex] and [tex]0.232323.....[/tex]

In the above given numbers [tex]0.752[/tex] is terminating, so it is a rational number.

And,

[tex]0.232323....[/tex] is non-terminating and repeating number, so it is also a rational number.

So, the pair of option [tex](a)[/tex] i.e. [tex]0.752[/tex] and [tex]0.232323.....[/tex] is the pair of rational number.

Hence, we can say that the pair of both decimals that represent rational numbers is in option [tex](a)[/tex].

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The offense of a high school football team gained 8 yards on first down and then lost 5 yards on second down. What expression represents the total amount of yards gained by the offense?

Answers

The answer would be 8 + (-5).

I need help with this question -3/8 + 1/6

Answers

Answer:

5/24

Step-by-step explanation:

Step-by-step explanation:

[tex] - \frac{3}{8} + \frac{1}{6} [/tex]

[tex] (- \frac{3}{8} \times \frac{3}{3} ) + ( \frac{1}{6} \times \frac{4}{4} )[/tex]

[tex] - \frac{9}{24} + \frac{4}{24} [/tex]

[tex] - \frac{5}{24} [/tex]

La utilidad máxima esperada por la venta de televisores en una tienda departamental para el primer mes se representa por la siguiente ecuación de utilidad U = - x2 + 500x + 100,000; obtenga las unidades y la utilidad máxima esperada por esa venta.

Answers

Explicación paso a paso:

La ganancia máxima esperada ocurre cuando dU / dx = 0

Dada la función U = - x2 + 500x + 100,000

dU / dx = -2x + 500

Dado que dU / dx = 0

Por lo tanto -2x + 500 = 0

Solución para x;

-2x = -500

x = 500/2

x = 250

Sustituya x = 250 en la función para obtener la máxima ganancia esperada como se muestra;

U = - (250) ^ 2 + 500 (250) + 100.000

U = -62500 + 125000 + 100000

U = 162,500 '

Por lo tanto, la ganancia máxima esperada por las ventas es de 162,500

HELP ASAP!!! I WILL GIVE BRAINLIEST

Answers

Answer:

ok what's the question

Answer:

C

Step-by-step explanation:

hope this helps

ANSWERR HERE :) :0
ples

Answers

Answer:

Reflections, translations, and rotations

Answer:

Rotation, Transitions and Reflections because they don't change the size of the shape.

4. Find the average rate of
change, from 20 to 80 in
the table below.
х
20
40
60
80
100
y
15
35
65
105
215

Answers

Answer:

20 x 80 = 160

15 x 105 = 1,575

Y'all please help me! Basically just match up the points with an equation.
write an equation of the line that passes through the given points.
1. (-3, 2) (5, -2) 2.(-2, -4) (0,-8) 3.(8, -10) (0,2) 4.(-5, 4) (-3, -4) 5.(5, 0) (-2, 4)

y=-4x-16 y=-3/2x+2 y=-2x-8 y=-1/2x+1/2 y=-4/7x+2 6/7

Answers

1. Y=-1/2x+1/2
2.Y=-2x-8
3.Y=-3/2x+2
4. Y=-4x-16
5.Y=-4/7x+2

which fraction is larger 1/4 or 2/5 find the common denominator

Answers

Answer:

2/5 and 20

Step-by-step explanation:

1/4 = 5/20

2/5 = 8/20

LCD = 20

Describe the transformation that moved the Red-figure to the Blue figure.
A) Rotate 90 degrees clockwise about the origin
B) Rotate 90 degrees counterclockwise about the origin
C) Reflect over the x-axis
D) Translate 2 units up

Answers

C. Reflect because any other way they would not be the same direction

-3 x (10i+6)
Your answer should be a complex number in the form a + bi where a and b are real numbers.

Answers

The Answer is:

−30xi−18x, I really don't know what you are looking for but this is what i came up with. Hope this is helpful!

There are 25 students in Ms. Nguyen’s second grade class. In the class election, 4 students Voted for Benjamin, 12 voted for Sahil, and 9 voted for Maria.

What percent of the class voted for Maria

Answers

Answer:

36%

Step-by-step explanation:

Write the equation o​

Answers

Answer:

sorry i need the points for school

Step-by-step explanation:

have a great day

Answer:

y=1/2x-3

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(0-(-4))/(6-(-2))

m=(0+4)/(6+2)

m=4/8=1/2

y-y1=m(x-x1)

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

y+4=1/2(x+2)

y=1/2x+2/2-4

y=1/2x+1-4

y=1/2x-3

What is the sum of
of 6 3/5+5 1/7
PLEASE HELP URGENT!!!

Answers

The answer is 11 26/35

abcd is a trapezium, calculate the area of abcd

Answers

Answer: Area of a trapezium ABCD = {¹/₂ × (AB + DC) × h} square units. = ¹/₂ × h × (AB + DC) square units. You could have went to google and got the answers cause that what I did dummy

Tom had 54 songs on his MP3 player. If he deleted 9 songs, what is the ratio of songs he kept to songs he deleted?

Answers

Answer:

6:1

is the right answer

Step-by-step explanation:

Answer:

45:9 or 49 to 9

Step-by-step explanation:

If you subtract 54-9 because the question is asking what is the the ration from what he KEPT after he deleted 9 so you would subtract so the answer wouls be 45:9 or 49 to 9

Can someone pretty please help me and answer these questions??!?!!!?

Answers

Answer:

Step-by-step explanation:

you seee i would nut I need points right now I'm sorry

There are 30 students in Mrs. Martinez's class.
of the class has an Android cell phone.
of the class has an iPhone.
The rest of the students do not have a cell phone.
How many students in Mrs. Martinez's class DO NOT have a cell phone?
O 6 students
O 21 students
09 students
O 15 students

Answers

Answer:

9

Step-by-step explanation:

1/5 of 30 is 6 or 30/5. 1/2 of 30 is 15 or 30/2. 6+15=21. 30-21=9

2 times the sum of 5 and 3 is.... *​

Answers

Answer:

16

Step-by-step explanation:

2 ( 5 + 3 )

= 2 x 5 + 2 x 3 { using distributive property }

= 10 + 6

= 16

or

2 ( 5 + 3 )

2 x 8

= 16

HOPE THIS HELPS

PLZ MARK AS BRAINLIEST!!!!!!

Solve for z.
11z + 2z = -13

Answers

Answer:

z = -1

Step-by-step explanation:

add like terms: 13z = -13

divide both sides by 13: z = -1

Answer:

z=-1

Step-by-step explanation:

Combine like terms: 11+2 ( 13z )

Divide: -13/13 ( -1 )

Write (4,0) and (0,6) in standard form

Answers

Answer:

4x + 6y = 0

Step-by-step explanation:

Hope that helps pelase gve me brainliest

At Escobar Middle School, 5% of sixth-grade students, which is 20 students, are enrolled in both art and choir. How many sixth-grade students are there in total

Answers

Answer:

If 20 is 5% multiplying it by 20 would give us 100%, so 20*20=400. There are 400 sixth-grade students in total.

The total number of sixth-grade students at Escobar Middle School is 400 students

What is Percentage?

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, %

Given data ,

Let the total number of students in sixth grade = x

5 % of sixth grade students is = 20 students

So ,

We need to calculate the total 100 % students in the sixth-grade

And ,

10 % of sixth-grade students = 2 x 5 % of sixth grade students

                                               = 2 x 20 students

                                               = 40 students

Now ,

100 % of sixth-grade students x = 10 x 10 % of sixth-grade students

                                                    = 10 x 40 students

                                                    = 400 students

Therefore , there are 400 students

Hence , the total number of sixth-grade students is 400 students

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whoever can answer 2+ can get brainliest! i need help pleaseeee

Answers

Answer:

1. The answer is 3 students

2. 3.8, or rounded, 3.5

3. 4 batches of brownies

4. 16/9, 1.80, or 1.78

Step-by-step explanation:

1. If you divide 1/4 by 15, that would equal 3.75. Since you can't have partial of a person XD you should round it back to 3.

2. If you divide 1/5 by 19, that would be 3.8.

3. If you divide 2/3 by 6, that would be 4.

4. 1/9 divided by 16 would be 16/9. As a decimal, it would be 1.777778. Rounded, it would be 1.80, or 1.78.

Hope this helps you!

what is the experimental probability that a coin toss will result in two heads showing


what is the experimental probability that a coin toss will result in two tail showing

what is the experimental probability that a coin toss will result in one head and one tail showing ​

Answers

Answer:

50% if its one head and one tail. If it's two heads then it may be 25%

Step-by-step explanation:



Julio says, "If you subtract 18 from my number and multiply the difference by - 3, the result is
- 15." What is Julio's number ?

Answers

Answer:

(X-18)-3=15

3x-54=15

3x=15+54

3x=69

x=23

So jubo's number is 23

Factor - 3 out of

-9x + 12

plz help

Answers

Answer:

3x - 4

Step-by-step explanation:

-9x + 12

divide by -3

3x + (-4)

3x - 4

-9 ÷ -3 = 3

12 ÷ -3 = -4

Hope this helps!

Have a nice day!

If you find my answer helpful

Pls consider marking my answer as Brainliest! It would mean a lot!

Heyy guys I need help

Answers

Answer:  Angle C is 76 degrees

===================================================

Explanation:

Since AE = BE, we know that triangle ABE is isosceles with A = B as the congruent base angles (it might help to rotate the triangle 90 degrees clockwise). The congruent base angles are always opposite the congruent sides of an isosceles triangle.

Focus on triangle ABE. Let's find the missing angle E.

A+B+E = 180

55+55+E = 180

110+E = 180

E = 180-110

E = 70

So angle BEA = 70 degrees

This means angle DEC is also 70 degrees. Angles BEA and DEC are congruent vertical angles.

--------------------

Now focus on triangle DEC. We just found E = 70. The diagram shows D = 34. Use these items to find C

D+E+C = 180

34+70+C = 180

104+C = 180

C = 180-104

C = 76

Angle C is 76 degrees

Answer:

hey

Step-by-step explanation:

When the arrow is spun, there are four possible numbers the arrow can land on: 1, 2, 3, and 4. The spinners are each spun once. What is the probabilty of an even number on the first spinner and a 3 on the second spinner?

Answers

Answer:

The probability is 1/8

Step-by-step explanation:

There are two spinners here, total result on each of the two is 4

Probability of even number of the first

The even numbers are 2 and 4

Probability of an even number is 2/4 = 1/2

For the second spinner

Probability of having a 3 on the second spinner is 1/4

So the probability of an even number on the first and a 3 on the second spinner will be;

1/2 * 1/4 = 1/8

if an item sells for $44.28 per kilograms, how many cents per ounce does the item cost? Round the answer to the nearest ten-thousandth place ​

Answers

Answer:

The item cost 125.53159 cents per ounce if its sales price is $44.28 per kilograms

Step-by-step explanation:

The sale price of item is $44.28 per kilograms. We need it to convert into cents per ounce.

We know that 1 dollar per kilogram = 2.83495 cents per ounce

So, 44.28 dollars per kilograms = 2.83495 * 44.28 cents per ounce

                                                     = 125.53159 cents per ounce

So, the item cost 125.53159 cents per ounce if its sales price is $44.28 per kilograms

1. The table shows the relationship between y, the cost to rent a bicycle, and x, the amount of time the bicycle is rented in hours. Ab Bicycle Rental Costs Time, x (hours) Total Cost, y (dollars) 1 $10 2 $20 3 $30 Part 1: A student drew the following graph to represent this situation. Explain the error in the graph​

Answers

1) The error in the graph should be that the time should be on x-axis and cost should be on y axis

Important information: The table shows the relationship between y, the cost to rent a bicycle, and x, the amount of time the bicycle is rented in hours.

Information regarding graph:Here the error is that the time should be shown on the x-axis and the cost should be shown on the y-axis.

Find out more information about the graph here:

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