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Natalija [7]
3 years ago
12

Ayaan travels 90 miles at an average speed of 60 mph. She then travels a further 40 miles. The average speed for the entire jour

ney is 59 mph. Assuming Ayaan didn't stop, what was her average speed for the final 40 miles to 2 dp?​
Mathematics
1 answer:
SashulF [63]3 years ago
7 0

Answer:

is 11.89

pa brainless na lng po

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The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?
AlexFokin [52]
█ Question █

The volume of a cylinder is 980 pi The height of the cylinder is 20 in. What is the radius of the cylinder?

█ Explanation <span>█
</span>
We know the volume of the cylinder and the height, too. We are looking to find the radius. Do the following equation that is posted in the screenshot. 

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7 0
3 years ago
GEOMETRY HELP ASAP I'M FAILING. I did the first half now i cant figure this out!!?
Shalnov [3]
OK, so;
BDE and BED are congruent because the opposite sides are both congruent
To find BDE and BED you must subtract 66 degrees from 180 degrees.
You are then left with 114 as the sum of both the angles you need to find
Since they are congruent, all you need to do is divide by two
114/2=57 degrees for both BDE (a) and BED(b)
Now for angle A and C;
This is easy because they are both congruent to the first two!
So basically, all of question four is "57 degrees"
 Sadly for number 5 i did not understand the question :"(
For 6 tho;
AC is parallel to DE because angle C is congruent to angle BED 
All the others can be ruled out 
For 7;
BD is half the length of AE, so:
 4x+20=2(3x+5)
4x+20=6x+10
20=2x+10
10=2x
x=5
 This means BD is 20 bc
3(5)+5
15+5
20
 And AE is 40 bc
20X2=40
or...
4(5)+20



5 0
3 years ago
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