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nordsb [41]
2 years ago
6

8 (x + 4) = 62.4 what does x represent

Mathematics
2 answers:
aev [14]2 years ago
6 0

Answer:

8 (3.8 + 4)

Step-by-step explanation:

x=3.8

Marizza181 [45]2 years ago
5 0
What does the x represent. The x represent 3.8

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How to find the area under the standard normal curve between z 1.5 and z 2.5?
alisha [4.7K]
It is possible to calculate mathematically the area under the normal curve between any two values of z.
However, tables/software have been developed to give the areas under the normal curve to the left of particular values of z.  The function is the probability of Z<z, or P(Z<z).
The area between two values z1 and z2 (where z2>z1) is therefore 
P(Z<z2)-P(Z<z1).

For example, to find the area between  z1=1.5, z2=2.5
is 
P(Z<2.5)-P(Z<1.5)
=0.99379-0.93319
=0.06060

(above values obtained by software, such as R)
For example, the value P(Z<2.5) can be calculated using
P(Z<2.5)=erf(2.5/sqrt(2))/2+1/2
where erf(x) is a mathematical function that does not have an explicit formula (calculated by summation of series, or tabulated).
8 0
3 years ago
Which statement is true
Yakvenalex [24]

Answer:

I think its. u must check with calculator

8 0
2 years ago
Last year 64 new houses were built in a neighborhood so far this year 7/8 of them have been sold how many new houses have been s
laiz [17]

Answer:

56

Step-by-step explanation:

for this problem you would first figure out what 1/8 of 64 is. 1/8 of 64 is 8.so we do 7*8 to get 56 so 56 of the 64 houses have been sold

6 0
2 years ago
you are to give a client one tablet labeled 0.15 mg and one labeled 0.025 mg. what is the total dosage of these two tablets
Ivenika [448]
Simply add the two dosages together, (0.15+0.025) and the answer is 0.175 :)
7 0
3 years ago
2/5 - 1/4 show your work
Natali [406]

2/5-1/4

8/20 - 5/20

(8-5)/20

= 3/20


I hope that's help ! if you have question please ask

6 0
3 years ago
Read 2 more answers
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