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Sophie [7]
3 years ago
13

Brady rode his bike 70 miles in 4 hours he rode at an average speed of 17 mph for t hours and at an averege rate of speed of 22

mph for the rest on the time how long did brady ride at the lower speed
Mathematics
1 answer:
almond37 [142]3 years ago
6 0

i think it will be 5 minutes



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Find the measure of the missing angles! Pls help thank you
Inga [223]

Answer:

a=61°

Step-by-step explanation:

a= 180° - 90° - 29°

a = 61°

3 0
2 years ago
PLEASE HELP - System of equations matrix prepresents
Sever21 [200]

9514 1404 393

Answer:

  the marked choice is the correct one

Step-by-step explanation:

A suitable calculator or web app can reduce this matrix for you.

The solution is represented by the matrix ...

  \left[\begin{array}{ccc|c}1&0&0&1\\0&1&0&-1\\0&0&1&3\end{array}\right]

6 0
2 years ago
Can you please solve and explain how
PtichkaEL [24]

If we take 24 h, and think that 150 bolts are produced during 1 hour,

then during 24 hours we will get 150*24 = 3600 bolts.

So, y = 150x represent the number of bolts the machine can produce in x hours.

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Answer is B.

7 0
3 years ago
The sum of 2 numbers (x and y) is 20, and their product is 51. What are the values of x and y
Murljashka [212]

Answer: 13&7

Step-by-step explanation:

The sum of two numbers x&y is 20

Product of the 2numbers xy is 51

X+y=20......equation 1

XY=51.........equation 2

X=20-y.......equation 3

Substitute for x inequation 3 into equation 2

So we have;

(20-y)y=51

Open the bracket

20y-y^2=51

Collect like terms,so we have

Y2-20y+51=0

Factorise

Factors of 51 is 13&7

So -13-7=-20 &-13×-7=51

Substitute

Y2-13y-7y+51=0

Y(y-13)-7(y-13)=0

(Y-7)(y-13)=0

Y-7=0

Y=7 or

Y-13=0

Y=13

Y=13 or 7

Substitute for y in equation 1

X+y=20

X+7=20

X=20-7

X=13 or

X+13=20

X=20-13

X=7

Therefore, X &Y = 13 &7

4 0
2 years ago
What is the area of the ice skating rink
dedylja [7]

Answer:

A

Step-by-step explanation:

50 x 50 is equivalent to 2500

8 0
3 years ago
Read 2 more answers
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