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lisov135 [29]
2 years ago
9

Which expression is equivalent to 6(7x - 9)?

Mathematics
1 answer:
Alex_Xolod [135]2 years ago
5 0

Answer:

42x - 54 I think

Step-by-step explanation:

Just simplify it  

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David runs on a track that is 1/4 mile long he completes it in 1/20 of an hour
posledela

Answer:

<h2> 5mile per hour</h2>

Step-by-step explanation:

Step one:

given data

distance= 1/4mile

time taken= 1/20 hour

Step two:

Required

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we know that speed is

speed= distance/time

substituting

speed= 1/4/1/20

speed=1/4*20/1

speeed=20/4

speed=5mile/hour

The option a sis correct, the speed is 5mile per hour

7 0
3 years ago
Volume of a cube is 1728 cm3.Find its surface area​
Leno4ka [110]

Answer:

<h2>a=V⅓=1728⅓≈12</h2><h2 />

Step-by-step explanation:

<h2>Using the formula</h2><h2>V=a3</h2>

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8 0
2 years ago
Expand and simplify bracket please quickly
natulia [17]

Answer:

4y²-1/4 is the required answer

Step-by-step explanation:

(2y -  \frac{1 }{2} )(2y +  \frac{1}{2} ) \\ using \: formula \:  {x}^{2}  - y {}^{2}  = (x - y)(x + y) \\ 4y {}^{2}  -  \frac{1}{4}

4 0
1 year ago
Another way to write 1/2
earnstyle [38]
½=0.5.................
3 0
3 years ago
Read 2 more answers
In 2010, Utah had a population of about 2.8 x 106. The same year, Wyoming had a population of about 5.6 x 105
Amanda [17]

Answer:

thank you so much

Step-by-step explanation:

3 0
3 years ago
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