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Aleksandr [31]
3 years ago
14

Can someone plz help me with this one problem plzzzzz I’m being timed plz hurry!!!!!!!

Mathematics
1 answer:
anastassius [24]3 years ago
6 0

Answer:

14, 18, 20

Step-by-step explanation:

You have to replace the number in the "s" column with the "s" in the problem. For example the first number in the table is 2 so you have to put 2 into the problem then add it with 12 and you get 14.

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What is 2/3 + __=1 4/9
g100num [7]
You turn 2/3 into 6/9
Then turn 1 4/9 into an improper fraction 13/9
Then subtract and you get 7/9

The answer is 7/9
4 0
3 years ago
A sail boat has a sail in the shape of an isosceles triangle. the base of the triangle is 16 feet in length. the height of the s
lapo4ka [179]

Answer:

160 feet^2

Step-by-step explanation:

base x high x 1/2

hope i'm right

3 0
3 years ago
Read 2 more answers
Find the mean of each distribution.
Vanyuwa [196]

Answer:

a) 23 °C

b) 5.81 m² (2 dp)

Step-by-step explanation:

<h3><u>Part (a)</u></h3>

This set of data is presented as a <u>Dot Plot</u>.

The frequency (how often a data value occurs) is represented by the number of dots above each data value.

For example, in this dot plot, there are 3 dots above the data value 21 °C and so this means that there are three of this particular data value in the set of data.

To find the mean, we need to multiply each data value by its frequency, add them up, then divide by the total frequency.

\begin{aligned}\textsf{mean}&=\dfrac{3 \times 21+1 \times 22+2\times 23+5\times 24+1\times 25}{3+1+2+5+1}\\\\ & = \dfrac{63+22+46+120+25}{12}\\\\& = \dfrac{276}{12}\\\\&=23^{\circ} \sf C\end{aligned}

<h3><u>Part (b)</u></h3>

This set of data is presented as a <u>stem and leaf diagram</u>, where the units and tenths are split.  The units column is the 'stem' and the tenths become the 'leaf'.

Therefore, the first row of this stem and leaf diagram represents 2 data values: 4.3 and 4.8

To find the mean, sum the data values, then divide by the total frequency.

To find the total frequency, simply count the number of values in the leaf part of the diagram.

Data values = 4.3, 4.8, 5.1, 5.1, 5.2, 5.5, 5.7, 6.6, 6.9, 7.3, 7.4

Total frequency = 11

\begin{aligned}\textsf{mean} &=\dfrac{4.3 + 4.8 + 5.1+5.1+5.2+5.5+5.7+6.6+6.9+7.3+7.4}{11}\\ & = \dfrac{63.9}{11}\\\\& = 5.81\:\textsf{(2 dp)}\end{aligned}

4 0
2 years ago
Read 2 more answers
Find the least common denominator and write the equivalent fractions 1/6 and 1/9​
Monica [59]

Answer:

1/6 - least common - 3/18

1/9 - least common - 2/18

3/18 is equivalent to 1/6

1/9 is equivalent to 2/18

Step-by-step explanation:

Rewriting input as fractions if necessary:

1/6, 1/9

For the denominators (6, 9) the least common multiple (LCM) is 18.

LCM(6, 9)

Therefore, the least common denominator (LCD) is 18.

Calculations to rewrite the original inputs as equivalent fractions with the LCD:

1/6   =   1/6   ×   3/3  =   3/18

1/9   =   1/9   ×   2/2  =   2/18

6 0
2 years ago
Read 2 more answers
Can someone determine the values of AC AND CB please
Eduardwww [97]

Answer:

AC 29

CB 15

Step-by-step explanation:

5x-6+2x+1=44 add like terms

7x-5=44

7x= 49

x= 7

plug back in

5(7)-6 = 29

2(7)+1 = 15

4 0
3 years ago
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