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xenn [34]
3 years ago
12

5. In a class of 18 students, 2/3 of them speak two languages. How many speak two languages?

Mathematics
1 answer:
Alona [7]3 years ago
4 0

Answer: 12

Step-by-step explanation:

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Lina has a total of 72 blue and red marbles in a box. The probability of choosing a blue marble at random from the box is 4/9
blsea [12.9K]

Answer:

28

Step-by-step explanation:

probability of getting blue ball is 4/9

total cases = 72

i.e number of blue ball 32

number of red vall is 40

so extra 28 is added

3 0
3 years ago
WILL MARK BRAINLIEST IF ANSWER IS CORRECT
crimeas [40]
The last set (choice D) is a subset of given set B.

The other 3 choices are wrong.
6 0
3 years ago
What number sentence is true?
meriva
D would be true because if you think about it in percentage wise
2/8= 25%
2/3=66.66%
2/3 is automatically greater than 2/8
Hope this helps :)
5 0
3 years ago
A subtending arc on a circle with a radius of 4.5 centimeters has an arc length of 8π. The measure of the angle subtended by the
dem82 [27]

Answer: 320°

Step-by-step explanation:

This is a circle geometry.

The arc length of the circle is given to be 8πcm and the radius is 4.5cm.

Now the length of an arc of a circle is

Arc length = πr0°/180° or 2πr0°/360°

To find the angle 0° subtend at the center we equate the arc length with the formula and solve for 0°.Now we go

πr0°/180 = 8π, convert to a simple linear equal and solve for the angle.

πr0° = 8π × 180

0°. = 8π × 180

-----------

π × r

= 8 × 180. 8 × 180

-------- or ---------

9/2. 4.5

= 8 × 180 × 2

------------

9

= 8 × 20 × 2

= 320°

or 8 × 180/4.5

= 1440/4.5

= 320°

4 0
3 years ago
Solve the equation. Show work for partial credit.
Natali5045456 [20]

Answer:

x = \frac{8}{5}

Step-by-step explanation:

Given

\frac{5}{x} + \frac{3}{x} = 5 ← combine terms on left side

\frac{8}{x} = 5 ( multiply both sides by x )

8 = 5x ( divide both sides by 5 )

\frac{8}{5} = x

8 0
3 years ago
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