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k0ka [10]
3 years ago
10

The area of a rectangular coffee table is given by the trinomial x2 + 7x – 8. The table’s length is x + 8. What is the table’s w

idth?
Mathematics
1 answer:
motikmotik3 years ago
3 0

Answer:

9x - 8

Step-by-step explanation:

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Joe is 5 years older than Sydney. The sum of their ages is 45. What is Sydney’s age?
sweet-ann [11.9K]

Answer:

20 years old

Step-by-step explanation:

Joe = J

Sydney = S

J = 5 + S

J + S = 45

Substitute

5 + S + S = 45

Add

5 + 2S = 45

Subtract 5 from both sides of the equation

2S = 40

Divide both sides of the equation by 2

S = 20

Sydney is 20 years old

Hope this helps :)

8 0
3 years ago
Determine the surface area of the triangular prism below
Cloud [144]

Answer:

2376 square feet

Step-by-step explanation:

40 x 15 = 600

40 x 24 = 960

1/2 x (24 x 9) = 108

600 + 600 + 960 + 108 + 108 = 2376

5 0
4 years ago
Simplify. (h + 12) + (p +24) a) hp + 288 b) hp + 36 c) 12h + 24p d) h + p + 36
KIM [24]

(h+12) + (p+24)

h+p+12+24 = h+p+36

8 0
3 years ago
Read 2 more answers
The lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min. if one such class is r
rodikova [14]
The distribution is uniform for 50 ≤ x ≤ 52.
where x =  minutes per class.

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Its value is
(50.6 - 50)/(52 - 50) = 0.3

Answer:
The probability is  0.3 or 30%

7 0
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