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Bezzdna [24]
3 years ago
15

Expand and simplify 9w(3x-4y)-5w(x+y)

Mathematics
2 answers:
Vesna [10]3 years ago
5 0
9w(3x-4y)-5w(x+y)=\\
27wx-36wy-5wx-5wy=\\
22wx-41wy
Llana [10]3 years ago
4 0
\textbf{The~Answer~~of~~Question~} \\  \\ 
9w(3x-4y)-5w(x+y) \\  \\  27wx-36wy-5wx-5wy \\  \\ \boxed{22wx-41wy}  \\  \\ \textbf{Sancak1907}
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19. 9a2b = c + 4a, for a
xenn [34]

Answer:x/5 + 2b/5

Step-by-step explanation:

9a-2b=c+4a solve for a

9a-2b=c+4a

add -4a to both sides

9a-4a-2b=x+4a-4a

5a-2b=x

add 2b to both sides

5a-2b+2b=x+2b

5a= x+2b

divide by 5

5a/5 = x/5 +2b/5

a= x/5 + 2b/5

5 0
1 year ago
The fastest elevator in the burj khalifa can travel 330 feet in just 10 seconds. How far does the elevator travel in 11 seconds?
Hoochie [10]

Answer:

363 feet

Step-by-step explanation:

we know that

The fastest elevator can travel 330 feet in just 10 seconds

so

using proportion

Find out how far does the elevator travel in 11 seconds

Let

x ---> the distance traveled in 11 seconds

\frac{330}{10}\frac{ft}{sec} =\frac{x}{11}\frac{ft}{sec}\\\\x=330(11)/10\\\\x= 363\ ft

7 0
3 years ago
-2- 3(7-k) =-4(2k-1)
Ivan

Answer:

k=27/11

Step-by-step explanation:

7 0
2 years ago
An item is regularly priced at $30. Frank bought it at a discount of 20% off the regular price. How much did Frank pay?
SpyIntel [72]

Answer:

$24

Step-by-step explanation:

30 x .8 equals 24.

Hope this helps!

Plz, Mark Brainliest!

7 0
3 years ago
Read 2 more answers
The weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds.Refer to
Dafna11 [192]

Given that

the weight of football players is distributed with a mean of 200 pounds and a standard deviation of 25 pounds.

And we need to find What is the minimum weight of the middle 95% of the players?

Explanation -

Using the Empirical Rule, 95% of the distribution will fall within 2 times of the standard deviation from the mean.

Two standard deviations = 2 x 25 pounds = 50 pounds

So the minimum weight = 200 pounds - 50 pounds = 150 pounds

Hence the final answer is 150 pounds.

3 0
1 year ago
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