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3 years ago

Find missing angle 100° 100° X=

Mathematics

2 answers:

KiRa [710]3 years ago

8 0

100°

Vertically opposite angles are equal

Zolol [24]3 years ago

3 0

Answer:

The missing angle is a hundred degrees

Step-by-step explanation:

Vertically opp angles are equal

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A bag contains 6 red marbles and 2 white marbles. A marble is selected, kept out of the bag, and then another marble is selected

Finger [1]

Answer:

11/15

Step-by-step explanation:

There are 8 marbles total. If they are being selected from twice with one missing, we could add 8 and 8 - 1 together to get the denominator for the probability.

8 + (8 - 1) = 15

We have to assume the first marble taken was red, so we will have 6 plus 6 - 1 red marbles to choose from for our numerator.

6 + (6 - 1) = 11

The probability of consecutively selecting two red marbles is 11/15.

8 0

3 years ago

Enter equations one at a time in order to send a line<br> through the coins to "capture" them.

ad-work [718]

Answer:

y = x + 3

y = 3x + 1

Step-by-step explanation:

This does it in two equations.

3 0

3 years ago

A water tank has a diameter of 15 ft and is 22 ft high. a. What is the volume of the tank in ft?? b. In m?? c. In cm?

rodikova [14]

Answer:

a) $V = 3887.72 ft^{3}$

b) $V = 104.97 m^{3}$

c) $V = 104,968,468.538 cm^{3}$

Step-by-step explanation:

A tank has the format of a cylinder.

The volume of the cylinder is given by:

$V = \pi r^{2}h$

In which r is the radius and h is the heigth.

The problem states that the diameter is measured to be 15.00 ft. The radius is half the diameter. So, for this tank

$r = \frac{15}{2} = 7.50$ ft

The height of the tank is 22 ft, so $h = 22$ .

a) Volume of the tank in $ft^{3}$ :

$V = \pi r^{2}h$

$V = pi*(7.5)^2*22$

$V = 3887.72 ft^{3}$

b) Volume of the tank in $m^{3}$ :

We must convert both the radius and the height to m.

Each feet has 0.30 m, so:

Radius:

1 feet - 0.30m

7.5 feet - r m

$r = 7.5*0.30$

$r = 2.25m$

Height

1 feet - 0.30m

22f - h m

$h = 22*0.30$

$r = 6.60m$

The volume is:

$V = \pi r^{2}h$

$V = pi*(2.25)^2*6.60$

$V = 104.97 m^{3}$

c) Volume of the tank in $cm^{3}$ :

Each m has 100 cm.

So $r = 2.25m = 225cm$

$h = 6.60m = 660cm$

The volume is:

$V = \pi r^{2}h$

$V = pi*(225)^2*660$

$V = 104,968,468.538 cm^{3}$

7 0

4 years ago

Help Please! I don’t understand :)...

Dovator [93]

Step-by-step explanation:

1. question one is asking you to name the opposite of each number, positive/negative, so:

a. the opposite of 5 = -5

b. the opposite of 28 = -28

c. the opposite of -10.4 = 10.4

d. the opposite of 0.875 = -0.875

e. the opposite of 0 = 0

f. the opposite of -8,003 = 8,003

2. question two is asking you to plot the numbers on the number line, so:

-1.5 goes in between the -2 and -1

3/2 = 1.5, so it goes in between the positive 2 and positive 1

-4/3 = -1.33333.., so it goes in between the -1.5 and -1

-3/2 = -1.5, so it goes in the same place, in between the -2 and -1

3. question 3 is asking you to plot the numbers on the number line, so:

1.5 = 1.5 (goes between the positive 1 and positive 2)

the opposite of -2 = 2

the opposite of 0.5 = -0.5 (goes between 0 and -1)

-2 = -2

I hope this helps!!

4 0

4 years ago

Read 2 more answers

How can you convert the Heun’s Method into the Implicit Heun’s Method? Show an example

g100num [7]

Answer:

Heun's method is also known by its other name called Modified Euler methods. This method is used in computational or mathematical science.

Step-by-step explanation:

Euler method is the method that is also pronounced in two similar stages such as Runge- Kutta methods. This method has been named after Dr. Heun.

This method is used for the solution of ordinary differential equations with its given values. There is some method to calculate this method. The improved Runge Kutta methods are also called the Butcher tableau method, the other methods are also called the Ralston methods.

4 0

3 years ago