3 years ago

Simplify this expression 7x(9x2)

Mathematics

2 answers:

mihalych1998 [28]3 years ago

7 0

Answer:

$63x^{3}$

Step-by-step explanation:

First step: multiply the coefficients 7 x 9.

Second step: multiply the literal. Remember that the multiplication of literals that are of the same base, the exponents add up. Thus $x^{1+2} = x^{3}$

Alecsey [184]3 years ago

3 0

The answer is 63x^2.............

You might be interested in

What is the answer to (3 × 144) × 199

vlada-n [284]

Answer:

The answer will be 85,968

3 0

2 years ago

Read 2 more answers

Please help!! In all honesty, I am absolutely terrible at math. Sometimes I get it, but most of the time I'm brain dead.

astraxan [27]

Im like 90% positive that x= 13

8 0

3 years ago

6 painters can paint the fence in 15 hours. How long would it take 5 workers to do the same job?

SOVA2 [1]

Answer:

12.5 hours

Step-by-step explanation:

15/6 is 2.5. 2.5 is how many hours per worker. 5 times 2.5 is 12.5 hours

8 0

3 years ago

Read 2 more answers

n 2000 the population of a small village was 2,400. With an annual growth rate of approximately 1.68%, compounded continuously,

Nitella [24]

Answer:

The population would be 3358

Step-by-step explanation:

Since, exponential growth function if the growth is compound continuously,

$A = Pe^{rt}$

Where,

P = initial population,

r = growth rate per period,

t = number of periods,

Given,

The population in 2000, P = 2,400,

Growth rate per year = 1.68% = 0.0168,

Number of years from 2000 to 2020, t = 20,

Thus, the population in 2020,

$A=2400 e^{0.0168\times 20}$

$=2400 e^{0.336}$

$= 3358.4136$

$\approx 3358$

6 0

3 years ago

PLEASE HELP, ITS DUE IN 2 MINUTES, I'LL GIVE 25 POINTS

andreyandreev [35.5K]

Step-by-step explanation:

x+13⁰+10x+13⁰+2x-2⁰= 180⁰

13x= 180-24

13x=156

x = 12⁰

now angle Q = 10x+13⁰

= 10(12)+13= 120+13

= 133⁰

5 0

3 years ago