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Leokris [45]
3 years ago
5

How many pounds of coffee worth $9 a pound should be added to 10 pounds of coffee worth $3 a pound to get a mixture worth $7 a p

ound

Mathematics
1 answer:
Dima020 [189]3 years ago
6 0
Here is your answer......

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Can someone please help me with these two questions ​
Anarel [89]

Answer:

  23.  0.4583 seconds

  24.  0.0107 seconds

Step-by-step explanation:

The problem statement tells you how to work it. You need to convert speed from miles per hour to feet (or inches) per second.

 90 mi/h = (90·5280 ft)/(3600 s) = 132 ft/s = (132·12 in)/s = 1584 in/s

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23. The time it takes for the ball to travel 60.5 ft is ...

  time = distance/speed

  time = (60.5 ft)/(132 ft/s) = 0.4583 s

It takes 458.3 milliseconds to reach home plate.

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24. time = distance/speed

  time = (17 in)/(1584 in/s) = 0.0107 s

The ball is in the strike zone for 10.7 milliseconds.

4 0
3 years ago
Average speed of Car 1 = 35 mph. Average speed of Car 2 = 55 mph. Time elapsed between start of Car 1 and start of Car 2 = 18 mi
gizmo_the_mogwai [7]
It is 0.53 hope this helps you.
7 0
3 years ago
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Paula is a banker who earns $15 per hour. If Paula worked 63 hours at her job, how much money did she earned? Please answer this
Mariana [72]
Paula made $945 if you multiply $15 x 63
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3 years ago
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( Will give Brainliest) please Helpp
Vsevolod [243]

Answer:

See explanation

Step-by-step explanation:

Step 1: Write equation

n - 4 = -15

Step 2: Solve for <em>n</em>

n = -11

7 0
3 years ago
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Can someone help on a construction of a tangent to a circle please, need pictures if possible
Anit [1.1K]

Wassup

Steps:

1. Draw a line connecting the point to the center of the rectangle

2. Then construct a perpendicular bisector to the line drawn in step 1

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4. Where the arc crosses the circle will be the tangent points. So connect the endpoint to the tangent point

Hope the picture helps you too

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3 years ago
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