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Tanzania [10]
3 years ago
8

Sarah Meeham blends coffee for​ Tasti-Delight. She needs to prepare 190 pounds of blended coffee beans selling for ​$4.61 per po

und. She plans to do this by blending together a​ high-quality bean costing ​$6.50 per pound and a cheaper bean at ​$2.00 per pound. To the nearest​ pound, find how much​ high-quality coffee bean and how much cheaper coffee bean she should blend.
Mathematics
1 answer:
erastovalidia [21]3 years ago
6 0
I’m sorry I don’t know
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At a swim meet, it took Deborah 40.8 seconds to complete the 50 meter freestyle event. It took Robert 60.2 seconds to complete t
GarryVolchara [31]

Answer:

Emily's speed is the greatest, therefor she is the fastest at a speed of 1.78 m/s

Step-by-step explanation:

To determine who swam the fastest we need to calculate the speed for each swimmer;

Speed=Distance/time

Deborah covered a distance of 50 meters in 40.8 seconds,

Deborah's speed=(Deborah's distance/Time)=(50/40.8)=1.23 meters per second

Robert covered a distance of 100 meters in 60.2 seconds,

Robert's speed=(Robert's distance/Time)=(100/60.2)=1.66 meters per second

Emily covered a distance of 200 meters in 112.4 seconds,

Emily's speed=(Emily's distance/Time)=(200/112.4)=1.78 meters per second

From the speeds for each we can conclude that;

Emily's speed(1.78 m/s)>Robert's speed(1.66 m/s)>Deborah's speed(1.23 m/s)

Emily's speed is the greatest, therefor she is the fastest at a speed of 1.78 m/s

6 0
3 years ago
A brownie recipe calls for 1 cup of sugar in 1/2 cup of flour to make one batch of brownies
ser-zykov [4K]

Answer:

Step-by-step explanation:

anwser is A

6 0
3 years ago
NEED HELP URGENTLY!!<br><br>how do you solve this?​
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3 years ago
In a survey of 5000 registered voters who reside in California, 2739 were found to be republican. Construct a confidence estimat
Rasek [7]

Answer and Step-by-step explanation:

given:

Sample size is: n =5000

The sample proportion is: Ṗ = 2739 / 5000 = 54.78%

And the critical value of z for 99% confidence interval is

                                                 Z = 2.58

For a 99 % confidence interval we use formula:

                                                   Ṗ ± z√(Ṗ(1- Ṗ)/n)

By putting the given values in this formula:

                                                     0.54 ± 2.58√(0.54(1-0.54)/5000)

                                              = 0.54 ± 0.018

This gives us upper confidence limit of

 0.54 + 0.018 =0.558 = 0.54%

This gives us lower confidence limit of

o.54 – 0.018 = 0.522 = 0.53%

7 0
3 years ago
How do you solve 3-5?
elena-14-01-66 [18.8K]

Answer: -2

Step-by-step explanation:

You added a subtract sign, so I subtracted. Since it is 3, the numbers go down to the negatives. Ending up a Negative 2 (-2)

7 0
3 years ago
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