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1 year ago

What is the simplified expression for 6 (2 (y x))? 6 y 12 x 12 y 12 x 12 y 8 x 8 y 8 x

Mathematics

1 answer:

stellarik [79]1 year ago

5 0

The simplified expression for 6(2( y + x)) is 12y + 12x.

Accordin to the given question.

We have an expression

6(2( y + x))

Therefore,

The simplified expression for 6(2( y + x)) is given by

6(2(y + x))

= 6(2y + 2x) (by distributive law)

= 12y + 12x (by distributive law)

Hence, the simplified expression for 6(2( y + x)) is 12y + 12x.

Find out more information about simplified expression here:

brainly.com/question/18077352

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g A 5 foot tall man walks at 10 ft/s toward a street light that is 20 ft above the ground. What is the rate of change of the len

vredina [299]

Answer:

$-\frac{10}{3}ft/s$

Step-by-step explanation:

We are given that

Height of man=5 foot

$\frac{dy}{dt}=-10ft/s$

Height of street light=20ft

We have to find the rate of change of the length of his shadow when he is 25 ft form the street light.

ABE and CDE are similar triangle because all right triangles are similar.

$\frac{20}{5}=\frac{x+y}{x}$

$4=\frac{x+y}{x}$

$4x=x+y$

$4x-x=y$

$3x=y$

$3\frac{dx}{dt}=\frac{dy}{dt}$

$\frac{dx}{dt}=\frac{1}{3}(-10)=-\frac{10}{3}ft/s=-\frac{10}{3}ft/s$

Hence, the rate of change of the length of his shadow when he is 25 ft from the street light= $-\frac{10}{3}ft/s$

7 0

3 years ago

Is finding 9/10-1/2 the same as finding 9/10-1/4-1/4?explain.

zavuch27 [327]

Yes it is the same. 1/4 +1/4 = 1/2. so 9/10-1/2=9/10-1/2

5 0

3 years ago

Which of the following is the inverse of N(r) if N(r)=8r+17

BaLLatris [955]

$N=8r+17 \\ 8r=N-17 \\ r= \frac{N-17}{8} \\ Inverse \ is \ \frac{r-17}{8}$

8 0

3 years ago

You deposit $10,000 into a bank account at 2% annual interest. How long will it take for the $10,000 to compound to $30,000?

Rama09 [41]

Answer: <em>time = 55.48 years</em>

Explanation:

Given:

Principal amount = $10000

Interest rate = 2% p.a

Amount = $30000

We can evaluate the time taken using the following formula:

$Amount=Principal(1+\frac{r}{100})^{t}$

$30000 = 10000\times(1+\frac{2}{100})^{t}$

Solving the above equation, we get

$1.02^{t} = 3$

Now taking log on both sides, we get;

$t\ log(1.02) = log(3)$

<em>time = 55.48 years</em>

8 0

3 years ago

Does 3/20 have a repeating decimal form

olga_2 [115]

nope, this answer is 0.15

6 0

2 years ago