kwkvide
kwkvide
23-11-2020
Mathematics
contestada
Evaluate the expression when =y−7.
y^2+4y-5
Respuesta :
7492
7492
23-11-2020
(-7)^2 + 4(-7) -5
= 49 - 28 -5
= 16
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
How do I find the value of 16 to the -3/2 power?
Part a:we can determine the purity of solid materials by using calorimetry. a gold ring (for pure gold, specific heat = 0.1291 j⋅g−1⋅k−1 ) with mass of 10.5 g i
Can y'all help me solve these problems step by step? 1. 8n-4=-2+n-6-8n and 2. 13+4a+2a=3a+1
If the formula for a compound is represented by X3Y2 and the charge on the Y ion is -3, what is the charge in the X ion? (2 points) A) +1 B) +2 C) +3 D) +4
Which air masses influence much of the weather in north america, especially east of the rocky mountains? a. maritime tropical and continental polar b. maritim
As developing nations industrialize and make use of capital resources, new challenges to the supply of the world's natural resources will no doubt appear becaus
Use the Hinge Theorem or its converse and properties of triangles to write and solve an inequality to describe the restriction on the value of x.Please explain
Tracy used the flat surface of a cube to draw a plane shape. What plane shape did Tracy draw?
What was the election of 1828 like with Thomas Jefferson and John Quincy Adams fighting for the vote like? What were some of the main factors and decisions that
Ammonia (nh3(g), hf = –46.19 kj/mol) reacts with hydrogen chloride (hcl(g), hf = –92.30 kj/mol) to form ammonium chloride (nh4cl(s), hf = –314.4 kj/mol) accordi