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Hunter-Best [27]
2 years ago
13

Steve went to the grocery store. The initial subtotal of his bill was $105.23. Steve then used 5

Mathematics
1 answer:
Mrac [35]2 years ago
3 0

Answer:

105.23-101.48=3.75

3.75/5=0.75

Step-by-step explanation:

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Express and simplest radical form.​
strojnjashka [21]

Answer:

4 square root 5 is the answer

root(20*4)

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4×root(5)

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2 years ago
The current in a stream moves at a rate of 7 mph. If a boat travels 98 miles downstream in the same time that it takes to travel
JulijaS [17]

If the current in a stream moves at a rate of 7 mph. If a boat travels 98 miles downstream in the same time that it takes to travel 49 miles upstream then the speed of the boat in still water is 21 miles per hour.

<h3>What is speed?</h3>

Speed is the distance covered by an object in a certain time period. It is also known as velocity. The formula of speed is as follows:

Speed=Distance/ Time.

<h3>How to calculate speed?</h3>

We have been given that the speed of stream is 7miles per hour.

Let v be the speed of the boat, and t the time to travel

98=t*(7+v) (1)

49=t(v-7) (2)

(1)+(2) => 2tv=147

7t+(49+7t)=98

14t+49=98

14t=49

t=49/14

t=7/2

Put the value of t in equation 1 to get the value of v:

98=t(7+v)

98=7/2(7+v)

196/7=7+v

28=7+v

v=28-7

v=21

Hence if the current in a stream moves at a rate of 7 mph. If a boat travels 98 miles downstream in the same time that it takes to travel 49 miles upstream then the speed of the boat in still water is 21 miles per hour.

Learn more about speed at brainly.com/question/4931057

#SPJ2

6 0
1 year ago
Read 2 more answers
Okay, I really need help on this one. See attachment.
harkovskaia [24]
The correct answer is Y=2
5 0
3 years ago
How do you turn 63% into a decimal?
zzz [600]
Well 63% is out of 100... and .00 is in the hundredth place so it would be .63%
or 0.63%
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3 years ago
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Simplify 4j+7+2j-2+3j
Dmitriy789 [7]

Answer:

6j+7-2+3j= 3j and 5

Step-by-step explanation:

fnxhjxjxjxhdhdhxhsh

7 0
3 years ago
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