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timofeeve [1]
3 years ago
11

Help me please.... #5

Mathematics
1 answer:
fiasKO [112]3 years ago
7 0
48+40 and 88-40
38+20 and 58-20
38+30 and 68-30

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A meteor crater is 4000 feet in diameter. approximate the distance around the crater.
Troyanec [42]

9514 1404 393

Answer:

  12,566 ft ≈ 2.38 miles

Step-by-step explanation:

The circumference of a circle is given by the formula ...

  C = πd

For a diameter of 4000 ft, the circumference of a circular crater is about ...

  C = (4000 ft)(3.141593) ≈ 12,566 ft

At 5280 ft per mile, that distance is about ...

  (12,566 ft)/(5280 ft/mi) ≈ 2.38 mi

The distance around the crater is about 12,566 ft or 2.38 miles.

3 0
2 years ago
What is the value of e^Ln7x ?<br><br> A. 1<br> B. 7e<br> C. 7x<br> D. 7
AURORKA [14]
E and ln are each other's opposite. So the answer is simply 7x
6 0
3 years ago
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A square has a perimeter of 100 square meters. What is the perimeter of the square
inna [77]
You mean a square has an AREA of 100 square meters?
The length of 1 side equals square root of 100 = 10 meters.
Therefore perimeter = 4 * 10 = 40 meters.


3 0
3 years ago
Read 2 more answers
I have already tryed but how in the world do i solve 2
trapecia [35]
Alright, let's factor this to get the answer.
3k^2-10k+7
To find the factors, we want to think "What will add up to -10, and multiply to (+)7?"
Because the leading coefficient is 3, we know that we can take one factor of 7 and multiply it by 3.
Thus, this factors to
(3k-7)(k-1)
(if you FOIL it it should come out to be the original equation)

From this, set both of those [(3k-7) and (k-1)] equal to zero and solve
3k-7=0
3k=7
/3
k=7/3
or
k=1
6 0
3 years ago
What is 12 times 164
skad [1K]

Answer:

1968

Step-by-step explanation:

give me brainliest plsssss tysm

8 0
2 years ago
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