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Gnoma [55]
3 years ago
14

A, B, and C are polynomials, where: A = 3x – 4 B = x + 7 C = x2 + 2 What is A2 – (B + C) in simplest form? 8x2 – 25x + 7 8x2– 25

x + 11 10x2 – 25x + 7 10x2 – 25x + 11
Mathematics
2 answers:
Zina [86]3 years ago
7 0
Hello,

Answer A

(3x-4)²-(x+7+x²+2)=9x²-24x+16-x-x²-9
=8x²-25x+7
Nuetrik [128]3 years ago
4 0

Answer:

answer A is the correct one

Step-by-step explanation

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5 0
3 years ago
which could be the coordinates of the vertices of the following parallelogram, given that s is a units from the origin, z is b u
andrew11 [14]

The coordinates of the vertices of the  parallelogram, given that s is a units from the origin, Z is b units from the origin, and then length of the base is c units could be the following:

W(b+c, 0), Z(b, 0), S(0, a), T(c,a)

7 0
3 years ago
Read 2 more answers
Giselle pays $210 in advance on her account at the athletic club. Each time she uses the club, $15 is deducted from the account.
weqwewe [10]

Answer:

A.b = 210 + 15x

B.b = 210 – 15x

C.b = 195 + 15x

D.b = 195 – 15x

Step-by-step explanation

B is correct. Your starting amount is 210$ And you're taking away 15$ each time she uses the club,x.

3 0
3 years ago
A 25-foot streetlight casts a showdown 20feet long.If Melanie is standing at the end of the shadow casted by a 60. -foot tall bu
natka813 [3]
Melanie is 48 feet away from the building.
Heres my working

20% of 25=20 so 20% of 60=48.
Hope this helped ☺️
7 0
3 years ago
Given the length of three sides of a triangle, which is a right triangle?
navik [9.2K]
Pythagoras, cool.
30^2 is 900
15^2 is 225
26^2 is 676
676+225 isn't 900 so it isn't A.

10^2=100
26^2=676
24^2=576
100+576=676 so B is a right angled triangle. 

Hope this helps :)

6 0
3 years ago
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