esmech3120 esmech3120

06-09-2020
Mathematics

contestada

Solve -4a² - 1/5b + 1/7c

if a = 3, b = -5, c = -21

Respuesta :

meredith48034 meredith48034

07-09-2020

Answer:

Step-by-step explanation:

-4(3)² - 1/5(-5) + 1/7(-21)

-4(9) + 1 - 3

-36 + 1 - 3

-35 - 3 = -38

Answer Link

Otras preguntas

The proton–proton cycle responsible for the Sun's 3.84 ✕ 10²⁶ W power output yields about 26.7 MeV of energy for every four protons that are fused into a helium

Find the area in 12cm and 40cm. use pie 3.14 to approximate the area.

Points This drug route involves spraying a drug and can treat allergy symptoms of nasal stiffness. O Topical O Oral O Inhalation O Intranasal

es para mañana ayudaaaaaa cuántos serillis debe mover como mínimo para que la igualdad sea verdadera

While many people assume racism led to the enslavement of Africans by Europeans, historians argue that slavery actually led to racism. How?

Which of the following is best described as an ischemic syndrome associated with ST-segment elevations?a. STEMIb. NSTEMIc. Hyperkalemiad. Hypokalemia

Which verb form correctly complete the following sentence? Ayer nosotros ? unos anteojos de sol? a. compramos b. compraste c. compras d. compro

"The barista gave me the wrong drink." In this example, "drink" is: the direct object the indirect object O the preposition the action verb

Body Paragraph #1 -Ralph represents the desire for an equal, democratic society —a return to the adult, civilized world which is fair, reasonable, and equal. S

A student conducting a science experiment provided a different amount of water to each of several plants. The amounts were 140, 210, 322, 284, 233, 375, 223, an