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Dmitriy789 [7]
3 years ago
5

In the Summer Olympic Games in rio (2016), the mens 4 by 400 meter (1600) meters in total) relay team ran the race in 2:57.30 (2

minuets 57.30 seconds) to win the gold metal. what is the teams average speed in miles per hour? use unit fractions to solve the problem and round the result to three significant digits. clearly show your process.
my answers were 23.2 mph and 20.18 miles per hour, are either of those correct?
Mathematics
1 answer:
Maksim231197 [3]3 years ago
4 0

Answer:123

Step-by-step explanation:

e.

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Mini Sweets Bakery gives customers 2 free cupcakes for every 20 cupcakes they purchase. Their competitor, Yummy Bites Bakery, gi
vlada-n [284]

Answer:

The answer is No the ratio of first is 1:10 but the ratio of the second is 3:25

Step-by-step explanation:

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8 0
3 years ago
Write your answer for y.
Nonamiya [84]

Answer:

The coordinates of Y' will be:  A'(4, -3)

Step-by-step explanation:

Triangle XYZ with vertices

  • X(-5, -2)
  • Y(-3, 4)
  • Z(-1, 1)

We have to determine the answer for the image Y' of the point Y(-3, 4) with respect to the line mirror y=x.

We know that when P(x, y) is reflected in y = x, we get P'(y, x)

i.e.

The rule of y=x:

  • P(x, y) → P'(y, x)

As we are given that Y(-3, 4), so the coordinates of Y' will be:

A(-3, 4) → A'(4, -3)

Therefore, the coordinates of Y' will be:  A'(4, -3)

4 0
3 years ago
Find the distance bewtween the points (3,3) and (-1,-2)
Otrada [13]

Answer:

\sqrt{41}

Step-by-step explanation:

\sqrt{(3-(-1))^2+(3-(-2))^2}=\sqrt{16+25}=\sqrt{41}

Hope this helps!

6 0
3 years ago
PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST)
kodGreya [7K]

Answer:

Buy the batteries and stereo online:  

4.99*2= $9.98 +$90 = $99.98  

6.99-5.00 = $1.99  

99.98+1.99=$101.97  

3Cds in store  

7.97*3= $23.85  

5% tax = 1.19  

10% off = 2.39  

$23.85 - $1.19= $22.66  

22.66 + 101.97= $124.63  

All in store:  

12+100+23.85= 135.85 - 6.45 = $129.40  

All online:  

9.98 + 90 + 26.85= 126.85 +$1.99 = 128.84

<u><em>(CREDIT: Hussain514)</em></u>

8 0
3 years ago
Find the area of the composite figure. (round to the nearest hundredth)
8090 [49]
We know that
[the area of composite figure]=[area of rectangle]+[area of a half circle]

[area of rectangle]=b*h
where
b=the base
h=the height 
[area of rectangle]=b*h--------> 4.1*8.6---------> 35.26 cm²

[area of a circle]=pi*r²
where 
r=the radius
r=4.1/2-------> 2.05 cm
the figure is a half circle
then 
[area of a half circle]=pi*r²/2--------> pi*2.05²/2--------> 6.60 cm²

[the area of composite figure]=35.26+6.60--------> 41.86 cm²

the answer is
41.86 cm² 

8 0
3 years ago
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