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Alex787 [66]
2 years ago
10

A table and 8 chairs together weigh

Mathematics
1 answer:
Effectus [21]2 years ago
7 0
Each chair weighs 9 lb.
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Solve for x.<br> x^2 + 4x + 4 = 8<br> 
Lerok [7]

Answer:

Work:

x^2 + 4x - 4 = 8

x^2 +4x -12 = 0

(x + 6) (x - 2) = 0

x = -6 and 2

Answer: first option

I hope this helps!

Step-by-step explanation:

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3 0
2 years ago
3a+2= -2n+3p solve for a
nataly862011 [7]

Answer:

Step-by-step explanation:

3a + 2 = -2n + 3p

3a = -2n + 3p - 2

a = (-2n+3p-2)/3

a = -2/3(n) + p - 2/3

8 0
3 years ago
Specify the domain for the function ƒ(x) = 2x4 + 4x3 + 2x2
Kipish [7]

Answer:

In interval notation it is  ( -∞, ∞).

Step-by-step explanation:

All values of x can be input to this function.

7 0
2 years ago
The sum of the first three terms of an arithmetic sequence is 108, and the sum of the next three terms is 183. what is the value
qaws [65]
The key is to find the first term a(1) and the difference d.

in an arithmetic sequence, the nth term is the first term +(n-1)d
the firs three terms: a(1), a(1)+d, a(1)+2d
the next three terms: a(1)+3d, a(1)+4d, a(1)+5d,
a(1) + a(1)+d +a(1)+2d=108
a(1)+3d + a(1)+4d + a(1)+5d=183

subtract the first equation from the second equation: 9d=75, d=75/9=25/3
Plug d=25/3 in the first equation to find a(1): a(1)=83/3

the 11th term is: a(1)+(25/3)(11-1)=83/3 +250/3=111

Please double check my calculation. <span />
4 0
3 years ago
The base of a triangle is x in. The area is 14 in2. What is the height of the triangle?
ddd [48]

Answer:

D

Step-by-step explanation:

5 0
3 years ago
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