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Stells [14]
3 years ago
6

(3 plus 3 a )plus (1 plus 5 m )(3 plus 3 a )plus (1 plus 5 m )equals nothing ​(Simplify your​ answer.)

Mathematics
2 answers:
alexira [117]3 years ago
8 0

I caculated it all and it is the same as Newton9022

Hope this helps.

mamaluj [8]3 years ago
7 0

Answer:

7+6a+5m(4+3a)=0

Step-by-step explanation:

We want to simplify the expression

(3 + 3 a ) + (1 + 5 m )(3 + 3 a ) + (1 + 5 m )=0

Expanding the expression in the middle

(3 + 3 a ) + 1 (3 + 3 a )+ 5 m (3 + 3 a ) + (1 + 5 m )=0

Eliminating all brackets

3 + 3 a  + 3 + 3 a + 15m + 15m a  + 1 + 5 m =0

Next, we collect our like terms

3+3+1+3a+3a+15m+5m+15ma=0

When you collect like terms, ensure the number of terms are still the same

7+6a+20m+15ma=0

This simplified gives us:

7+6a+5m(4+3a)=0

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Solve the equation a/a^2-9 +3/a-3=1/a+3
MAXImum [283]
Answer is: a= -4
STEP
1
:

1
Simplify —————
a + 3
Equation at the end of step
1
:

a 3 1
(————————+—————)-——— = 0
((a2)-9) (a-3) a+3
STEP
2
:

3
Simplify —————
a - 3
Equation at the end of step
2
:

a 3 1
(————————+———)-——— = 0
((a2)-9) a-3 a+3
STEP
3
:

a
Simplify ——————
a2 - 9
Equation at the end of step
3
:

a 3 1
(————————————————— + —————) - ————— = 0
(a + 3) • (a - 3) a - 3 a + 3

Equation at the end of step
4
:

(4a + 9) 1
————————————————— - ————— = 0
(a + 3) • (a - 3) a + 3
Pull out like factors :

3a + 12 = 3 • (a + 4)

Equation at the end of step
6
:

3 • (a + 4)
————————————————— = 0
(a + 3) • (a - 3)

3•(a+4)
——————————— • (a+3)•(a-3) = 0 • (a+3)•(a-3)
(a+3)•(a-3)

a+4 = 0

Subtract 4 from both sides of the equation :
a = -4
7 0
3 years ago
At noon, a barista notices that she has $ 10 in her tip jar. If she makes an average of $ 0.50 from each customer, how much will
irina1246 [14]

Answer:

Total Amount in Barista's tip jar = $ 10 + $ 0.50n

Step-by-step explanation:

Barista makes an average of $ 0.50 from each customer

So, for n more customers, She will be having following amount in her tip jar:

Additional tip amount = $ 0.50 x n

Here the word "additional" is used, because she already had an amount of $ 10 in her tip jar.

Adding this amount to her additional tip amount, we will get following expression:

Total Amount in Barista's tip jar = $ 10 + ($ 0.50 x n)

6 0
4 years ago
Number 7? No idea how to do this?
LenKa [72]

Its looks like there is no question here.  Find x maybe?

the shaded part is a right triangle so we can use Pythagorean theorem

c² = a² + b²

c is the longest side of the or hypotenuse

so I can write it as m² + m² = 9²

m² + m² = 81

2m² = 81

/2          /2  

m² = 40.5

√       √  

m = √40.5 (well its actually = or - but since it really measurement its +)

~ 6.39

since x is to ms its 2 x 6.39

6 0
3 years ago
(TCO 1) A signal given by 15 Cos (20t) 20 Sin (40t) is sampled at a rate of 15 Hz. Is the Nyquist theorem violated
Sati [7]

Answer:

Fs = 15 Hz > 12.7322 Hz

Hence, Nyquist theorem is NOT violated

Step-by-step explanation:

Given that;

a signal given by 15cos(20t) + 20sin(40t)

sampled at a rate of 15 Hz

Is the Nyquist theorem violated?

so;

from 15cos(20t) + 20sin(40t)

Freq F1 = 20/2π  Hz

F1 = 3.1830 Hz

and

Freq F2 = 40/2π

F2 = 6.3661 Hz

Now, Nyquist's rate FN ≥ 2 × F_max

FN ≥ 2 × 6.3661

FN ≥ 12.7322 Hz

Now our given signal was sampled at a rate of 15 Hz

so, Fs = 15 Hz > 12.7322 Hz

Hence, Nyquist theorem is NOT violated

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The correct answer is 25%
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