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Pachacha [2.7K]
3 years ago
14

6 times the sum of d and 9

Mathematics
1 answer:
aksik [14]3 years ago
4 0

Answer:

6(d+9)

Step-by-step explanation:

learn algebraic language

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The formula for finding the area of a triangle is A = 1/2bh. A triangle has height 12 in. and area 54in^2. What is the length of
KatRina [158]

Answer:

9in

Step-by-step explanation:

54 = 1/2(12*x)

54 = 6*x

x = 9

Check

12 x 9 = 108

108/2 = 54

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Carl is on the school track team. to prepare for an upcoming race, he plans to run 207 miles total over the next 31 days.
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Given m|n, find the value of x.
In-s [12.5K]

Answer:

27

Step-by-step explanation:

angle adjacent to 163 = 27

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2 years ago
Fifteen 7th graders were asked how many hours they spend doing homework each week and how many hours they spend watching televis
timama [110]

Answer:

A.

  • 18 > 14, true

B.

  • 12 - 16 = -4, true

C.

<u>Mean:</u>

  • Homework = (4 + 6*2+10*3+12*2+14*4+16*2+18)/15 = 11.73
  • Television = (0 + 10*3+12*1+16*3+18*4+20*3)/15 = 14.8

<u>The difference:</u>

  • 14.8 - 11.73 > 1, NOT true

D.

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3 0
3 years ago
Simplify this expression.
olchik [2.2K]

Answer:

(y^2+3y-28)/(4y^2-15y-4)

Step-by-step explanation:

(4y-1)(y-3)(2y+3)(y+3)(y+7)(y-3)/(2y+3)(y-4)(4y+1)(4y-1)(y-3)(y+3)

= (y+7)(y-3)/(y-4)(4y+1)

= (y^2+3y-28)/(4y^2-15y-4)

7 0
2 years ago
Read 2 more answers
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