The orchestra is selling bracelets to raise money. The director uses an equation to
calculate the amount of profit, P, made from selling b bracelets.
P = 3b - 200
How many b should the orchestra sell to make a profit of $1000?

Answer:

0.09 and 0.04

Step-by-step explanation:

The probability that a randomly-selected person at a show has seen the band play live before is 30%=0.30

The probability that a person at a show is a "superfan" is 20%=0.20

Two people are selected at random.

The probability that both people have both seen the band perform live before  = The probability that the first person has seen the band live before and the second person also has seen the band live before.

=0.30 x 0.30

=0.09

Similarly, the probability that both are  "superfans"   = The probability that the first person is a superfan and the probability that the second person is a superfan.

=0.20 x 0.20

=0.04

Hence, the probability that both people have both seen the band perform live before, and are "superfans" are 0.09 and 0.04 respectively.

Answer:

71

Step-by-step explanation: 2x=142

x=71

Answer:

the missing angles are 71

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

142° is an exterior angle of the triangle, thus

x + x = 142

2x = 142 ( divide both sides by 2 )

x = 71

Answer: 10

Step-by-step explanation:

Answer:

-12/25

Step-by-step explanation: We already know that -48/100=-0.48, so we can just write -48/100 in simplest form which is -0.48. So, your answer is -0.48

Answer:

7250

Step-by-step explanation:

This is like the pythagorean theorem. So you add A^2,B^2, and C^2. So 25^2 + 60^2 + 55^2. 625 + 3600 + 3025. That equals to 7250.

Answer:

68/12

Step-by-step explanation:

12x5 is 60 then add the 8

Answer:

5[tex]\frac{2}{3}[/tex] I believe

Answer:

The slope is -1.

Step-by-step explanation:

Slope= y2-y1/x2-x1 So slope =2-1/-4-(-3)= 1/-1. 1/-1= -1, so the slope= -1.

Answer:

35 students

Step-by-step explanation:

If there are 4 girls, then there are 3 boys

You will multiply both by 5 to get 20

So 3×5 is 15

20+15 = 35

Answer: 35 students

Explanation: Divide 4 into 20 to see how many sets of 4 girls there are. So there are 5 sets of four girls.

Five times three is 15.

In total (15 + 20), there are 35 students.

Plz mark brainliest:)

Answer: −y^2+18y

Let's simplify step-by-step.

5y(4−(y+2))+4y(y+2)

Distribute:

=(5y)(4)+(5y)(−y)+(5y)(−2)+(4y)(y)+(4y)(2)

=20y+−5y2+−10y+4y2+8y

Combine Like Terms:

=20y+−5y2+−10y+4y2+8y

=(−5y2+4y2)+(20y+−10y+8y)

=−y^2+18y

Answer:

= −y^2+18y

Hope this helps you!

Answer:

It could be 37y

Step-by-step explanation:

Answer:

The answer is 6 in reduced fraction form:)

Step-by-step explanation:

The reduced fraction of the given division is 6/1.

Given that, 78 divided by 13.

The division is one of the basic arithmetic operations in math in which a larger number is broken down into smaller groups having the same number of items.

Here, 78/13

= 6/1

Therefore, the reduced fraction of the given division is 6/1.

To learn more about the division visit:

https://brainly.com/question/1575906.

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Answer:

Your answer is: x = -9

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Step-by-step explanation:

Hope this helped : )

Answer:

the third one

Step-by-step explanation:

first you would multiply the mass and the "amu" of both of the isotopes of copper when you have what you multiplyed, you add that product and get your answer.

Answer:

w=7.

Step-by-step explanation:

Divide 7 on both sides of the equation.

Answer:

7w=49

7 × w = 49

w= 49÷7

w=7

Answer:

there are no x values of X that make the equation true

Step-by-step explanation:

The given equation is not the same on the left-hand side as on the right-hand side so there will be no solution or the equation is wrong.

There are many different ways to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of 2 mathematical expressions.

Given the equation

4x + 8 = 4x - 3

Subtract 4x from both sides

4x + 8 - 4x = 4x - 3 - 4x

(4x - 4x) + 8 = (4x - 4x) - 3

8 ≠ 3

Since it is not satisfying so it will not have any solution.

Hence "The given equation is not the same on the left-hand side as on the right-hand side so there will be no solution".

For more about the equation,

brainly.com/question/10413253

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Answer:

The submarine is at -1260 ft.

It descends 5 ft/min for 12 min.

12 min * 5 ft/min = 60 ft.

It descended 60 ft, so you must subtract 60 ft from -1260 ft.

-1260 ft + (-5)(12) ft = -1260 ft - 60 ft = -1320 ft

The error in the last line in the problem is that (-5)(12) = -60, not 60.

The correct line is:

-1260 + (-5)(12) = -1260 - 60 = -1320

Step-by-step explanation:

Answer:

$0.84

Step-by-step explanation:

0.28 x 3 = 0.84

0.28 0.28 0.28

                      =  0.84

33% 33% 33%

Answer:

0.84

Step-by-step explanation: 0.28 + 0.28 + 0.28 = 0.84. i added it 3 times because you will divide by 3

Answer:

104.5

Step-by-step explanation:

10% of 95 is 9.5 and if you add that to the original value you get the answer

Answer:

95, percentage increased by 10% (percent) of its value = 104.5

Answer:

B, F, G

Step-by-step explanation:

Answer:

B, F, G

Step-by-step explanation:

Answer:

Step-by-step explanation:

x^2 - 4x - 5 = 0

(x - 5)(x + 1) = 0

x - 5 = 0

x = 5

x + 1 = 0

x = -1

We want to find the roots of a quadratic equation, to do that, we will use the Bhaskara's formula.

For an equation like a*x^2 + b*x + c = 0

The solutions are given by:

[tex]x = \frac{-b \pm \sqrt{b^2 - 4*a*c} }{2*a}[/tex]

Using that formula we will get that the solutions in ascending order are -1 and 5.

Now let's see how to get that:

We have expression: x^2 - 4x = 5

We can rewrite this as:

x^2 - 4x - 5 = 0

Now we can use the Bhaskara's formula to get:

[tex]x = \frac{-(-4) \pm \sqrt{(-4)^2 - 4*1*(-5)} }{2*1} = \frac{4 \pm6}{2*1}[/tex]

Then the two solutions are:

x = (4 + 6)/2 = 5

x = (4 - 6)/2 = -1

Then the solutions in ascending order are -1 and 5.

If you want to learn more, you can read:

https://brainly.com/question/23033812

Answer:

owo

Step-by-step explanation:

Answer:

m is greater than or equal to 3

Step-by-step explanation:

[tex]m \geqslant 3[/tex]

Answer:

[tex]m + 4 \geqslant 7 \\ m \geqslant 7 - 4 \\ m \geqslant 3[/tex]

Answer:

y=3/5-3

Step-by-step explanation:

Is this Kumon LOL?

y=mx+b

y=3/5x+b

-6=3/5 times -5=b

b=-3

Answer:

Hey dabi, the statment that describes the tempertures is one is cold the other is colder i guess

Step-by-step explanation:

Answer: x = 15

Step-by-step explanation:

1) Set q(x) = 3 in the equation.

3 = (4/5)x - 9

2) Add 9 to both sides.

12 = (4/5)x

3) Multiply by 5/4 on both sides.

15 = x

x = 15

Answer:

hhdjeejhshhhqhahqhqhhwhhqhqhqhqhwhhehehehwhhehehejwjjw

Answer:

x=1/8

Step-by-step explanation:

First we need to isolate the variable. We can do that by subtracting 3 from each side. You then get: 24x-2=1. Then, to completely isolate it, add 2 to each side. We get 24x=3. Now divide 24 from each side to get only x. We get 3/24, which can be rewritten as 1/8.