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Juliette [100K]
3 years ago
6

What is the Area of the triangle

Mathematics
2 answers:
harina [27]3 years ago
5 0
A= 1/2bh
b= base
h= height

Natasha2012 [34]3 years ago
3 0
Area of triangle is 1/2 × base × height
so 1/2×12×10=60 sq meter !!!
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Penny has 139 postcards in her collection. Abe has 48 postcards in his collection. Then Abe gives his collection away. He divide
erik [133]

Answer:

145

Step-by-step explanation:

Divide 48 by 7 = 6≅. then add 6 to 139. 145

5 0
2 years ago
Urgent please!!! I really don’t understand it, tysm to anyone who can answer thissss :))))
Tomtit [17]

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

Marks (x_i)                   Frequency(f_i)                  f_ix_i

     x                                     a                               xa

     y                                     b                               yb

     z                                     c                               zc

  Sum                              a+b+c                          xa+yb+zc

Now, the mean average score on the test is

Mean=\dfrac{\sum f_ix_i}{\sum f_i}

Mean=\dfrac{xa+yb+zc}{a+b+c}

Therefore, the mean average score on the test is \dfrac{xa+yb+zc}{a+b+c}.

3 0
2 years ago
I’m posting too many<br><br><br> Solve each equation 51/2=d +1/4 what is d?
Svetllana [295]
D = 101/4
if you need it in decimal form it is 25.25
if you need it in mixed number form it is 25 1/4
7 0
2 years ago
A 11-inch candle burns down in 4 hours. At what rate does the candle burn, in inches per hour?
aliya0001 [1]

2.75 inches per hour

11/4=2.75

8 0
2 years ago
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Write 2.31*10-^3 using scientific notation
Ludmilka [50]
<span>2.31*10-^3 using scientific notation 
= 0.00231</span>
6 0
3 years ago
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