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Burka [1]
3 years ago
5

Which equation is equivalent to this formula?

Mathematics
2 answers:
madam [21]3 years ago
7 0
Maybe a but not sure
lana [24]3 years ago
4 0
The equation equivalent to this formula would be D)b1=2A-b2
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66
likoan [24]

Answer: 230cm²

Step-by-step explanation:

>We can do this by splitting the figure into 2 trapeziums.

>Additionally, you can see that both trapeziums bear the same lengths a and b. Hence, we can use this formula: \frac{1}{2} * (a+b) * (total height).

>Thus,

Area = \frac{1}{2} *(7+16)*20=230

4 0
2 years ago
Read 2 more answers
82,321 to the nearest hundred ?
Lyrx [107]
82,300 because you need to round it to the 100 place
6 0
3 years ago
Does this table represent a function or not? Why or why not?
kirill115 [55]

Answer:

D. No, because two of the y-values are the same

Step-by-step explanation:

The y values cannot be the same

7 0
2 years ago
Read 2 more answers
The blood platelet counts of a group of women have a​ bell-shaped distribution with a mean of 256.3 and a standard deviation of
AnnyKZ [126]

Answer:

a) In the interval  (  55,9  ;   456,7 ) we will find 99,7 % of all values

b) In the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

Step-by-step explanation:

For a Normal distribution N (μ ; σ ) the Empirical rule establishes that the intervals:

( μ  ±  σ  )          contains 68,3 % of all values

( μ  ±  2σ  )        contains 95,4 % of all values

( μ  ±  3σ  )        contains 99,7 % of all values

If   N ( 256,3 ; 66,8 )

σ  =  66,8        ⇒   3*σ  = 3 * 66,8  = 200,4

Then:     256,3 - 200,4  =  55,9

And        256,3 + 200,4 = 456,7

a) In the interval  (  55,9  ;   456,7 ) we will find 99,7 % of all values

b) 2*σ  = 2 * 66,8  = 133,6

Then  256,3 - 133,6  = 122,7

And    256,3 + 133,6 = 389,90

Then in the interval  (  122,7  ;  389,9 ) we find 95,4 % of all values

4 0
2 years ago
Brandon completed 12/1/2 problems in 50 minutes
Goshia [24]

Answer:

what is the question that you need answered?? your just telling me what he did....

Step-by-step explanation:

5 0
2 years ago
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