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OLga [1]
3 years ago
13

For the equation a(x+2)=-3x+b, if a=1 what value of b will make x=2

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0

Answer:

10

Step-by-step explanation:

replace x with 2 and you will got the answer...

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Cual es la formula de aceleracion
Lunna [17]
Acceleration=((final velocity)-(initial velocity))÷ time = (change in velocity)÷ time
4 0
3 years ago
An angry student murdered Tommy the Turtle near the northern fence of the park. Using yellow tape,Ranger Dave is marking off a r
pishuonlain [190]

Answer:

60ft

Step-by-step explanation:

Let's x, y be the width and length of the surrounding rectangle. Since the area is 450 sq feet, this means xy = 450 or y = 450/x

The perimeter of this rectangle is (since there are 3 sides only)

f(x,y) = 2x + y

This is something we need to minimize. We can start by substituting y = 450/x

f(x) = 2x + 450/x

Let's take the first derivative of this function and set it to 0

f'(x) = 2 - \frac{450}{x^2} = 0

2 = \frac{450}{x^2}

x^2 = 450 / 2 = 225

x = \sqrt{225} = 15ft

y = 450 / 15 = 30ft

so the minimum perimeter that needs taping over is

f(x,y) = 2x + y = 2*15 + 30 = 60ft

5 0
3 years ago
Find the exact value of the indicated trigonometric function of θ.
Mariana [72]

Answer:

cosθ = -√(35/36)

tanθ = -1/√35

Step-by-step explanation:

We know that

sin²θ + cos²θ = 1

(1/6)² + cos²θ = 1

1 - (1/6)² = cos²θ

35/36 = cos²θ

sec θ = 1/ cosθ

1/ secθ = cos θ

Because secθ < 0, 1/ secθ would also be < 0, so cos θ < 0

cosθ = -√(35/36)

tanθ = sinθ/cosθ = (1/6)/-√(35/36)

= (1/6) / -(√35/6)

= -1/√35

8 0
2 years ago
А,
stepladder [879]
Hey I don’t understand
6 0
3 years ago
If an item originally was $75.00 but I bought it at $45.00, what percentage is the discount
jeka94
60% of $75.00 = $45.00
5 0
3 years ago
Read 2 more answers
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