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brilliants [131]
3 years ago
14

1. Use f(x)and g(x) to find f(x) * g(x). f(x) = -x + 5 and g(x) = 3x + 2

Mathematics
1 answer:
iris [78.8K]3 years ago
6 0
Hdbxbdbdbdndnjddhjebf
You might be interested in
Dave travels 300 miles in 1 hour and 40 minutes. What is Dave's rate of travel (speed) in piles per hour?
inysia [295]
300 miles in 1h 40m
300 miles in 100m

300 / 100 = 3
3 miles per minute

3 x 60 = 180
180 miles per hour

I hope this helps
 
6 0
3 years ago
Cual es el resultado de la operacion algebraica: 25x+12x+31x-8x+5x
Tema [17]

Answer:

65x

Step-by-step explanation:

Observe que estos son terminos similares... por lo que podemos simplemente sumarlos y restarlos. Entonces obtenemos:

25x + 12x + 31x - 8x + 5x

= 37x + 31x - 8x + 5x

= 68x - 8x + 5x

= 60x + 5x

= 65x

7 0
3 years ago
Claire is shopping at a shoe store. The store is having a sale and discounting all shoes by 35% of the marked price. She decides
castortr0y [4]

999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

7 0
3 years ago
Integration by Parts Evaluate e-2x cos(2x) dx.​
kifflom [539]

Let

I = \displaystyle \int e^{-2x} \cos(2x) \, dx[/]texIntegrate by parts:[tex]\displaystyle \int u \, dv = uv - \int v \, du

with

u = e^{-2x} \implies du = -2 e^{-2x} \, dx \\\\ dv = \cos(2x) \, dx \implies v = \dfrac12 \sin(2x)

Then

\displaystyle I = \frac12 e^{-2x} \sin(2x) + \int e^{-2x} \sin(2x) \, dx + C

Integrate by parts again, this time with

u = e^{-2x} \implies du = -2 e^{-2x} \, dx \\\\ dv = \sin(2x) \, dx \implies v = -\dfrac12 \cos(2x)

so that

\displaystyle I = \frac12 e^{-2x} \sin(2x) - \frac12 e^{-2x} \cos(2x) - \int e^{-2x} \cos(2x) \, dx + C\\\\ \implies I = \frac{\sin(2x)-\cos(2x)}{2e^{2x}} - I + C \\\\ \implies 2I = \frac{\sin(2x) - \cos(2x)}{2e^{2x}} + C \\\\ \implies I = \boxed{\frac{\sin(2x) - \cos(2x)}{4e^{2x}} + C}

6 0
1 year ago
What’s the solution to this equation 2+x=7/8x-15
Nostrana [21]

Answer:x=−136

Step-by-step explanation: Step 1: Simplify both sides of the equation.

2+x=

7

8

x−15

2+x=

7

8

x+−15

x+2=

7

8

x−15

Step 2: Subtract 7/8x from both sides.

x+2−

7

8

x=

7

8

x−15−

7

8

x

1

8

x+2=−15

Step 3: Subtract 2 from both sides.

1

8

x+2−2=−15−2

1

8

x=−17

Step 4: Multiply both sides by 8.

8*(

1

8

x)=(8)*(−17)

6 0
2 years ago
Read 2 more answers
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