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Anettt [7]
3 years ago
9

The triangles below are similar. Find the value of x

Mathematics
1 answer:
11111nata11111 [884]3 years ago
5 0

Answer:

23

Step-by-step explanation:

91/70=(29+x)/40

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An athlete trains on a circular track of radius 40 m and jogs 10 laps each day, 5 days a week. How far does he jog each week? Ro
mariarad [96]
Length of a circle=2πr
r=40 m
Length of the circular track=2*π*40m=80π m.

The athelete jogs each day 10 laps
1 lap-------------------80π m
10 laps-------------   x
x=(10 laps * 80π m) / 1 lap=800π m

Calculate how far he jog eache week (5 days).
1 day------------------800π m
5 days----------------   x
x=(5 days*800π m)/1day=4000π m=4000m * 3.141592...≈12566,37 m

solution: 12566 m

5 0
3 years ago
6x - 2(x + 4) = 6 + 2x
Minchanka [31]

Answer:7

Step-by-step explanation:

Simplifying, 6x-2x-8 = 6 + 2x

4x -8 = 6 + 2x

2x =14

x=7

4 0
3 years ago
Read 2 more answers
If you are also able to explain this please do! I'd greatly appreciate it!
pogonyaev
You're given a table of x values and an equation. To solve, plug in the values for x.

First box: y=2(-3)-1=-7
Second box: y=2(-2)-1=-5.

See if you can solve the third one.
7 0
3 years ago
Read 2 more answers
Which similarity transformation could map △DEF to △D'E'F'? A) dilation and reflection B) dilation and translation C) rotation an
aliya0001 [1]
C is correct
(im taking quiz)
6 0
3 years ago
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You roll a six-sided number cube. Which events are mutually exclusive?
maksim [4K]
Events are mutually exclusive only if they cannot both be true.
Only C is alright.

4 is a multiple of two so it can't be right.
Same logic works for B.

And then 2 is prime so then D is out too.
7 0
3 years ago
Read 2 more answers
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