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lys-0071 [83]
3 years ago
5

In AFGH, the measure of CH=90°, GF =

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
6 0

Answer:

0.28

Step-by-step explanation:

From the below figure we can see

cos F = adjacent side / hypotenuse

= FH/GF

= 7/25

= 0.<u>28</u>

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Which expression represents -8x^2+54x+140 in factored form?
Elenna [48]

Answer:

D. (x+2)(-8x+70)​

Step-by-step explanation:

-8x^2+54x+140

Factor out -2

-2(4x^2+27x+70)

Factor

-2(x+2)(4x-35)

Option D is the same answer if we multiply -2 in the second term

(x+2) (-8x+70)

7 0
2 years ago
Show that <br><br> Sin60 / cos60 = tan 60
Lerok [7]

Answer:

  • <em><u>sin60</u></em><em><u>=</u></em><em><u>opp\hyp</u></em>
  • <em><u>cos60</u></em><em><u>=</u></em><em><u>adja\hyp</u></em>
  • <em><u>tan60</u></em><em><u>=</u></em><em><u>opp\adj</u></em>
  • <em><u>sin60\cos60</u></em><em><u>=</u></em><em><u>tan60</u></em>
6 0
2 years ago
the volume of a box is represented by the roduct (x^2+5x+6) times (x+4). Give the polynomial that represents the length of the b
dimaraw [331]

Answer:

Step-by-step explanation:

x²+5x+6=x²+3x+2x+6=x(x+3)+2(x+3)=(x+3)(x+2)

so Volume=(x+3)(x+2)(x+4)

V=lwh

one of the factors is the length.

3 0
3 years ago
20 - (3 2/3 + 2 1/4 + 2 1/3) = ?
Alex777 [14]

Answer:

20-5 11/12= 9 11/12

Step-by-step explanation:

we do (3 2/3 + 2 1/4+ 2 1/3 )which is

           3 8/12.    2 3/12    2 4/12 (common denominator)

then add 3 8/12 and 2 3/12 and 2 1/3 to get 10 1/12 then we get 20- 10 1/12 to get a final answer of 9 11/12

5 0
3 years ago
You coach a basketball ball team of 12 players; 5 players must be on the floor at all times; Figuring that every player can play
makvit [3.9K]
The function "choose k from n", nCk, is defined as
  nCk = n!/(k!*(n-k)!) . . . . . where "!" indicates the factorial

a) No position sensitivity.
The number of possibilities is the number of ways you can choose 5 players from a roster of 12.
  12C5 = 12*11*10*9*8/(5*4*3*2*1) = 792
You can put 792 different teams on the floor.

b) 1 of 2 centers, 2 of 5 guards, 2 of 5 forwards.
The number of possibilities is the product of the number of ways, for each position, you can choose the required number of players from those capable of playing the position.
  (2C1)*(5C2)*(5C2) = 2*10*10 = 200
You can put 200 different teams on the floor.
4 0
3 years ago
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