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Elza [17]
3 years ago
9

What is (1/2)^2 -6 (2-2/3) simplified

Mathematics
1 answer:
miss Akunina [59]3 years ago
7 0

Answer:

-31/4

Step-by-step explanation:

= (1/4) - 6 * (6/3 - 2/3)

= (1/4) - 6 * (4/3)

= 1/4 - 24/3

= 1/4 - 8

= 1/4 - 32/4

= -31/4

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-18= 5-(6k - 19) i have the answer but i need help on how to get the answer 7?
insens350 [35]

Answer:

k = 7

Step-by-step explanation:

Step 1: Write equation

-18 = 5 - (6k - 19)

Step 2: Solve for <em>k</em>

<u>Distribute negative:</u> -18 = 5 - 6k + 19

<u>Combine like terms:</u> -18 = -6k + 24

<u>Subtract 24 on both sides:</u> -42 = -6k

<u>Divide both sides by -6:</u> k = 7

Step 3: Check

<em>Plug in k to verify it's a solution.</em>

-18 = 5 - (6(7) - 19)

-18 = 5 - (42 - 19)

-18 = 5 - 23

-18 = -18

7 0
3 years ago
Make r the subject of t = 6r^2 + 6
SpyIntel [72]

First step, divide 6 from both sides.

t/6=r^2+1

second step, subtract 1 from both sides

t/6 -1=r^2

Now take the square root of each side.

\sqrt{\frac{t}{6}-1}=r

Done!

3 0
3 years ago
Find the area of a triangle with sides of length 6 and 7 and included angle 74°. (round your answer to one decimal place.)
Yanka [14]
We use this formula:
<span>Area = ½ • side 1 • sine (A) • side 2
</span>Area = <span>½ • 6 • sine (74) • 7
</span><span>Area = <span>21 • sine (74)
Area = 21*0.96126
Area = </span></span><span><span><span>20.18646 </span> </span> </span>
Area = 20.2 (rounded)
Source:
http://www.1728.org/triang.htm


5 0
4 years ago
The value of y varies directly with x. If x = 6, then y = 27. What is the value of y when x = 10 ?
Alik [6]
B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44
7 0
3 years ago
What is the expanded form of the number below?
Burka [1]
It is the first one
3 0
3 years ago
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