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3 years ago

Which is greater??????????

Mathematics

2 answers:

Ghella [55]3 years ago

3 0

A is greater . That's the one

valentina_108 [34]3 years ago

3 0

Answer:

It is (A)

Step-by-step explanation:

Idk how to explain. Sorry.

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Convert 10 miles per hour to meters per second. Round to the nearest tenth.

LUCKY_DIMON [66]

Answer:

4.5 meters/second

Step-by-step explanation:

First we can find out how to convert one hour into seconds, which will be 3600 seconds. Now we have to figure out how many meters are in a mile, and multiply that by 10 to figure out how many meters are traveled per 3600 seconds (hour). The amount of meters in a mile is about 1609.34, which means the number of meters in 10 miles is 16093.4 meters. Now we know that 10 miles per hour is equal to 16093.4 meters per 3600 seconds. The last thing we need to do is divide the amount of meters per 3600 seconds by 3600 to find the amount of meters traveled in one second. This means we have to do 16093.4/3600 which is about 4.47, which rounded to the nearest tenth is 4.5.

4 0

3 years ago

At dee dee's dinette the probability that a customer orders coffee is 0.60, the probability that a customer orders pie is 0.35,

Ulleksa [173]

For better understanding think of it this way. There are hundred customers, 60 orders coffee 35 orders pie and 30 does not order pie or coffee.
This means that 70 does order coffee or pie or both. Out of those 70 people 10 will not order coffee and 35 will not order pie. Thus 70-10-35=25 will order both coffee and pie.
P=0.25

3 0

3 years ago

F(n) =7n -11 <br> f(1)<br> f(2)

UkoKoshka [18]

Answer:

- 4 and 3

Step-by-step explanation:

Given

f(n) = 7n - 11

To evaluate f(1) and f(2) substitute n = 1 and n = 2 into f(n), that is

f(1) = 7(1) - 11 = 7 - 11 = - 4

f(2) = 7(2) - 11 = 14 - 11 = 3

5 0

3 years ago

A boat takes 4 hours to go 20 miles upstream.It can go 32 miles downstream in same time.Find the rate of the current and the rat

Mandarinka [93]

Recall your d = rt, distance = rate * time.

now, if the boat has a speed of say "b", and the current has a speed of say "c", when the boat is going upstream, is not really going "b" fast, is going " b - c " fast, because the current is eroding speed from it, going upwards.

And when the boat is going downstream, is not going "b" fast either, because the current is now adding to speed to it, so is really going " b + c " fast.

The time it took one way, is the same time it took back, 4 hours each way.

thus

$\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{t}\\
&------&------&------\\
Upstream&20&b-c&4\\
Downstream&32&b+c&4
\end{array}
\\\\\\
\begin{cases}
20=4(b-c)\implies \frac{20}{4}=b-c\implies 5+c=\boxed{b}\\
32=4(b+c)\implies \frac{32}{4}=b+c\implies 8=b+c\\
--------------------\\
8=\left(\boxed{5+c} \right)+c
\end{cases}
\\\\\\
8=5+2c\implies 3=2c\implies \cfrac{3}{2}=c\implies 1\frac{1}{2}=c$

what's the speed of the boat? well, 5 + c = b.

6 0

3 years ago

Which probability indicates that an event is not likely to occur?

ira [324]

The answer is 1 fourth because it's a 25% chance of happening and it's the lowest percentage , 1 is not the right answer because that is 100% so the answer is A (1/4

7 0

3 years ago