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damaskus [11]
3 years ago
5

Find the total surface area of this triangular prism, 30 cm 18 cm 7 cm 24 cm

Mathematics
1 answer:
andriy [413]3 years ago
7 0
Add them all up then divide then by 4 you will get 19.75cm
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HELP!!!!!<br> I lowkey need help!!!
tatuchka [14]

Answer:

a.) x = -1/3

b.) 8

c.) 6

d.) 8

e.) 6

Step-by-step explanation:

8 0
4 years ago
Suppose that engineering specifications on the shelf depth of a certain slug to be turned on a CNC lathe are from .0275 in. to .
MrRa [10]

Answer:

0.8188 or 82%

0.0000643

Step-by-step explanation:

Given that engineering specifications on the shelf depth of a certain slug to be turned on a CNC lathe are from .0275 in. to .0278 in.

If x is the dimension then X is N(0.0276, 0.0001)

Or \frac{x-0.0276}{0.0001} is Normal (0,1)

a) Fraction  of shelf depths are in specifications

=P(0.0275

b) For 98% to be within the specifications,

\mu = 0.02765

Margin of error = 0.0278-0.02775\\=0.00015

For 98% critical value Z two tailed is 2.33

Hence std error = \frac{0.00015}{2.33} \\=0.0000643

So sigma should be = 0.0000643

3 0
3 years ago
The average age of six children is 13 years and 5 months. a seventh child joins the group, increasing the average age by two mon
Sholpan [36]
The seventh child is fourteen years and seven month.
5 0
3 years ago
A total of
netineya [11]
Let A be the number of Adult tickets and S, the Students'

A+ S = 273, but we know that S=2.A

Then A + 2A = 273 ; 3A =273; A =273/3 =91

So 91 tickets were sod to Adults & 182 Tickets to Students
6 0
3 years ago
7/8 - 1/4 - 1/2= ??
madreJ [45]

Step-by-step explanation:

We can break this up into pieces, first we do, 7/8 - 1/4, find the least common denominator which is 8, so the equation will be 7/8 - 2/8, which we can now subtract and will give us, 5/8, now that we have done that, we can do 5/8 - 1/2. Since we know that half of 8 (our denominator) is 4. Then the equation would be 5/8 - 4/8, which brings us to 1/8 as our final answer.

Cheers!

7 0
3 years ago
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