katyapeplow
katyapeplow
02-06-2020
Mathematics
contestada
What is 3x²-2 if x is -3
Respuesta :
devishri1977
devishri1977
02-06-2020
Answer:
Step-by-step explanation:
3x² -2 =3*(-3)²-2=3*9 - 2
= 27 - 2
= 25
Answer Link
VER TODAS LAS RESPUESTAS ( 93+ )
Otras preguntas
Can Jet Fuel burn through Steel Pipes?
Which statement is true about oxidation and reduction in an electrochemical cell? (1) Both occur at the anode. (2) Both occur at the cathode. (3) Oxidation occu
Which statement shows the associative property of addition? A. If m + 3 = 18, then 18 = m + 3 B. (u + 7) + 13 = u + (7 + 13) C. 21 + 2y = 2y + 21 D. 3 · (5 · x)
What are the formulas for finding momentum
Domestically, President Nixon was most concerned with increasing civil rights strengthening federal power restoring law and order aiding military power
Which type of bonding is found in all molecular substances? (1) covalent bonding (3) ionic bonding (2) hydrogen bonding (4) metallic bonding
A quadrilateral has two right angles. The measure of the third angle is 99 degrees. What is the measure of the fourth angle.
Given the balanced equation: 2C + 3H2==> C2H6 What is the total number of moles of C that must completely react to produce 2.0 moles of C2H6? (1) 1.0 mol (3)
Please help!! I have a final on this stuff tomorrow. How many different seven-digit phone numbers exist that start with the number 5 and end with an odd number
Using your knowledge of chemistry and the information in Reference Table H, which statement concerning propanone and water at 50°C is true?(1) Propanone has a h
