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aliya0001 [1]
3 years ago
14

Mathematics question please help

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

27

Step-by-step explanation:

To find the average change in elevation, you have to make it a unit rate. So we find that 378/14=27

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Can you help me plz
Gelneren [198K]

i think the answer would be C

4 0
3 years ago
Which trinomials are perfect square trinomials?
lora16 [44]
Perfect square is
a²+2ab+b²

so just take the square root of the end ones and add then double to get middle term


A.
m+10=10m, doubled is 20m
nope

B.
m+5=5m, doubled is 10m, yep

C.
m+2√15=fancy thing that won't get to 36m

D.
m+12=12m, doubled is 24m, yep


B and D
3 0
3 years ago
Read 2 more answers
Can somone help me withhhhh thisssss pleaseee
Olenka [21]
It is A. 2^12.
The question asks for the value of 8 to the x-power. Divided by 2 to the y-power. the trick to solving this is to rewrite 8^x as 2^3x. so you will have 2^3x divided by 2^y. since the bases are now the same , you can subtract the exponents to get the result of 2^3x-y. since it is given the 3x-y is 12. your final answer is 2^12
5 0
3 years ago
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A rectangular window is topped with a semicircle the height of the rectangle part is 1 more than 3 times its width W meters whic
devlian [24]

Answer:

A = 3W² + W + 1/8πW²

Step-by-step explanation:

rectangular window is L x W

semicircle is 1/2 πr²

r = 1/2 W

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A = W(3W + 1) + 1/2 π(1/2W)²

A = 3W² + W + 1/8πW²

4 0
3 years ago
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X+3/2 - X-2/2 = 1 Hence find p, if 1/X + p = 1​
jek_recluse [69]

Answer:

pie =1 so hence find p x+3+2 -X-22+1 =1

Step-by-step explanation:

3 0
2 years ago
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