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Paha777 [63]
4 years ago
9

What 2 numbers add to -3 and multiply to 2

Mathematics
1 answer:
serg [7]4 years ago
6 0
We need to look at factors of 2, which are only 2 and 1... How do we get them to add to -3? Well, they have to be negative.

-2 + -1 = -3

What about the multiplication? A negative × a negative = a positive, so

-2 × -1 = 2

So your answer is

-2 and -1
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A bag contains 3 blue marbles, 1 green marble, and 4 orange marbles. A marble is pulled out of the bag at random. The probabilit
Ainat [17]

Answer:

3\49857

Step-by-step explanation:

7 0
3 years ago
Cones A and B both have volume 48(3.14) cubic units but they have different dimensions. Cone A has radius 6 units and height 4 u
OverLord2011 [107]

<u>Part A </u>r =6\sqrt{2}  units & h = 2 units:

<u>Step-by-step explanation:</u>

Here we have , cones A and B both have volume 48(3.14) cubic units but they have different dimensions. Cone A has radius 6 units and height 4 units. We need to find:

Part A

Find one possible radius and height for Cone B.

Since , volume of cone A and B are same so ,

Volume of cone A = V_1 , Volume of cone V = V_2

By hit & trial , One possible radius and height for Cone B is r =6\sqrt{2}  units & h = 2  units:

⇒ V_2 = \frac{1}{3}\pi r^2h

⇒ V_2 = \frac{1}{3}(3.14) (6\sqrt{2})^2(2)

⇒ V_2 = 48units^3

Part B

Explain how you know Cone B has the same volume as Cone A. ​

Volume of cone A = V_1 :

Cone A has radius 6 units and height 4 units, So

⇒ V_1 = \frac{1}{3}\pi r^2h

⇒ V_1 = \frac{1}{3}(3.14) (6})^2(4)

⇒ V_2 = 48units^3

Volume of cone V = V_2

⇒ V_2 = \frac{1}{3}\pi r^2h

⇒ V_2 = \frac{1}{3}(3.14) (6\sqrt{2})^2(2)

⇒ V_2 = 48units^3

Hence, Volume of both are same!

4 0
3 years ago
The admission fee at a local zoo is $1.50 for children and $5.00 for adults. On a certain day, 3000 people enter the zoo and $9,
vlabodo [156]

1600 children and 1400 adults attended

<h3>How to determine the number of adults?</h3>

Let the children be x and adult be y.

So, we have the following equations:

x + y = 3000

1.5x + 5y = 9400

Make x the subject in x + y = 3000

x = 3000 - y

Substitute x = 3000 - y  in 1.5x + 5y = 9400

1.5(3000 - y) + 5y = 9400

Expand

4500 - 1.5y + 5y = 9400

Evaluate the like terms

3.5y = 4900

Divide both sides by 3.5

y = 1400

Substitute y = 1400 in x = 3000 - y

x = 3000 - 1400

Evaluate

x = 1600

Hence, 1600 children and 1400 adults attended

Read more about system of equations at:

brainly.com/question/14323743

#SPJ1

8 0
2 years ago
James can buy 12muffins for $9.60 or 3 muffins for $2.70. Which is the better deal?
Ivan

Answer:

12 muffins for $9.60

Step-by-step explanation:

5 0
3 years ago
Please help me!!!! precalc question
dangina [55]

Step-by-step explanation:

1. Ampltiude is 1

The period is

\frac{2\pi}{3}

is the period

The phase shift is 0

2. The Ampltiude is 2

The period is 2 pi

The phase shift is 1

3. The amplitude is 3

The period is 2 pi/3

The phase shift is -2

4.The amplitude is 2/3

The period is -10pi

The phase shift is 0

5. The Ampltiude is 1

The period is -2 pi

The phase shift is pi

6. The amplitude is 1/4

The period is -4pi

The phase shift is negative 2pi/3

7. The Ampltiude is 3

The period is 4

The phase shift is 8

7 0
3 years ago
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