subject

Mathematics, 09.08.2019 05:10 elizabethivy75

What is the value of the expression 2x2 + 3xy – 4y2 when x = 2 and y = –4?

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 13:10

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

Answers: 1

question

Mathematics, 21.06.2019 17:30

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Answers: 2

question

Mathematics, 21.06.2019 18:30

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Answers: 1

question

Mathematics, 21.06.2019 20:20

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

Answers: 1

You know the right answer?

What is the value of the expression 2x2 + 3xy – 4y2 when x = 2 and y = –4?...

Questions

question

History, 07.07.2019 03:50

The city of jerusalem is only important to the jewish faith...

question

Mathematics, 07.07.2019 03:50

What are the zeros of the function y=2x^2 +7x+3...

question

Spanish, 07.07.2019 03:50

Read all spanish in the photo (read the top of "durante la semana") respond for the questions in spanish you...

question

Mathematics, 07.07.2019 03:50

What would be an equation for 4 is subtracted from two-thirds of s...

question

Mathematics, 07.07.2019 03:50

Ato the power of 6 multiplied by a to the power of 3...

question

Mathematics, 07.07.2019 03:50

Sara pays $11 for 2.75 pounds of cheese. what is the cost per pound...

question

Social Studies, 07.07.2019 03:50

Mr snider is tiling a floor. the floor is 16 tiles long and 9 tiles wide. the center section is 12 tiles long and 5 tiles wide. how many tiles are in...

question

Mathematics, 07.07.2019 03:50

Suppose there are 20 questions on a multiple-choice test. if 25% of the answers are choice b, how many of the answers are not choice b?...

question

Chemistry, 07.07.2019 03:50

Type of gingival infection is characterized by necrosis of gingival papillae?...

question

History, 07.07.2019 03:50

European traders shipped enslaved africans to work on plantations in european colonies in the americas...

question

Computers and Technology, 07.07.2019 03:50

An open-source operating system that controls the way a smart mobile device (a smartphone or tablet) works. it was created by google and is used by sm...

question

Mathematics, 07.07.2019 03:50

Can someone me with these questions...

question

Chemistry, 07.07.2019 04:00

Question 9 saved when electron move from an excited state to their ground state a continuous spectrum is emitted. question 9 options: true false...

question

English, 07.07.2019 04:00

Identify the part of speech of the underlined word. read the sentence. the clerk underline startsmoppedunderline ends his brow and spoke wearily. whic...

question

History, 07.07.2019 04:00

What is one way in which the university of georgia is unique among american universities? question 18 options: it was the first university establish...

question

Mathematics, 07.07.2019 04:00

In this particular arithmetic sequence, a7 = 50 and a15 = 114. what is the value of a21? hint: an = a1 + d(n − 1), where a1 is the first term and d...

question

Mathematics, 07.07.2019 04:00

Five thousand six hundred thirty four divided by eighteen...

question

History, 07.07.2019 04:00

Trade was centered around new netherlands's port of new amsterdam which is present day...

question

Mathematics, 07.07.2019 04:00

Ahubcap has a redius of 16 centimeter. what is the area of the hubcap?...

question

Social Studies, 07.07.2019 04:00

What is one statue that resembles the greatnese and power of america?...

More questions: Mathematics Another questions