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e-lub [12.9K]
3 years ago
7

Which statements are true?

Mathematics
1 answer:
Sav [38]3 years ago
7 0

Answer:

its 2 and 4

Step-by-step explanation:

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Find the area of this circle. Use 3.14 for pie?
pshichka [43]

Answer:

3.141592658

Step-by-step explanation:

3 0
3 years ago
The area of this square
ANEK [815]

It appears as if 12cm is half the length of the side so we can assume that the total length of one side is 24cm.


The area of a square is given by the equation A=s^{2} where s is the length of the side.  

A=24^{2}

A=576


The area of this square is 576cm2.


Hope this helps!

7 0
3 years ago
4x + 6 &lt; -6<br><br> Show steps used to solve the problem :)
Sergeeva-Olga [200]

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7 0
2 years ago
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A triangular table has angles with measures in the ratio 7:9:4. What is the measure of the smallest angle?
Paraphin [41]
The angles must add to 180 degrees.
Since the angles are in the ratio 7:9:4, their measures are not 7, 9, and 4 since 7, 9, and 4 do not add to 180.  If you multiply 7, 9, and 4 by the same number, the new numbers will be in the same ratio. Since we do not know what that number is, we can use x for it.

Multiply 7, 9, and 4 by x to get
7x, 9x, and 4x.
Now add them and set equal to 180.
Then solve for x.

7x + 9x + 4x = 180

20x = 180

x = 9

Now that we know x equals 9, substitute x with 9 and evaluate 7x, 9x, and 4x to find the actual angle measures.

7x = 7 * 9 = 63
9x = 9 * 9 = 81
4x = 4 * 9 = 36

The angles measure 63, 81, and 36 degrees.
8 0
4 years ago
An urn contains two blue balls (denoted B1 and B2) and three white balls (denoted W1, W2, and W3). One ball is drawn from the ur
Serhud [2]

Answer:

(a)\dfrac{2}{5}

(b)\dfrac{9}{25}

Step-by-step explanation:

An urn contains two blue balls (denoted B_1 \:and\: B_2) and three white balls (denoted W_1, W_2 \:and\: W_3).

In the selection, a ball is picked and replaced.

From the attached probability tree, the possible outcomes are:

B_1B_1,B_1B_2,B_1W_1,B_1W_2,B_1W_3\\B_2B_1,B_2B_2,B_2W_1,B_2W_2,B_2W_3\\W_1B_1,W_1B_2,W_1W_1,W_1W_2,W_1W_3\\W_2B_1,W_2B_2,W_2W_1,W_2W_2,W_2W_3\\W_3B_1,W_3B_2,W_3W_1,W_3W_2,W_3W_3

(a)If the first ball drawn is blue

Number of Outcomes =10

The probability that the first ball drawn is blue =\dfrac{10}{25}= \dfrac{2}{5}

(b)If only white balls are drawn

Number of Outcomes =9

Probability that only white balls are drawn =\dfrac{9}{25}

3 0
4 years ago
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