moral76410 moral76410

10-06-2021
Mathematics

contestada

Evaluate the expression below when x = 7 and y = 8.
5x2−3y

Respuesta :

jimrgrant1 jimrgrant1

10-06-2021

Answer:

221

Step-by-step explanation:

Substitute x = 7 and y = 8 into the expression

5(7)² - 3(8)

= 5(49) - 24

= 245 - 24

= 221

Answer Link

Otras preguntas

Why did government officials allow monopolies to operate without strong regulations during the gilded age? a. They believed monopolies would keep competiton ali

While testing a new vaccine, a lab technician noticed that the number of bacteria reduced by half every minute. How long does it take for 3,000 bacteria to redu

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters

Which pair of words consists of antonyms? spurious; false eccentric; peculiar aloud; allowed ecstatic; depressed

Solve the system, using substitution. Write the solution as an ordered pair (m,n). 2m-3n= 6, m= 3-2n.

Is this right? Solve the equation. Show your work. 45 = 3b + 69 45- -45 3b 24 3b 24/3 =8 b = 8

Zoe is solving the equation 3x – 4 = –10 for x. She used the addition property of equality to isolate the variable term as shown. 3x – 4 = –10 3x – 4 + 4 = –10

Evaluate the expression 7x2y, when x = 3 and y = 4. ^ The 2 is too the power of whatever x is.

In a city, the distance between the library and the police station is 3 miles less than twice the distance between the police station and the fire station. The

If we were to examine a vocabulary word for two languages in the same language family (for example, English and German), which of the following would be the mos