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Serjik [45]
3 years ago
6

What would be the answer

Mathematics
2 answers:
ololo11 [35]3 years ago
3 0

Answer:

90 minutes

Step-by-step explanation:

We know that distance = rate * time

We know the distance and the rate, and need to find the time

distance = 60 miles

rate = 40 mile per hour

60 = 40 * t

Divide each side by 40

60/40 = 40t/40

1.5 = t

1.5 hours

Now we need to change it to minutes

1.5 hours * 60 minutes/1 hours = 90 minutes

suter [353]3 years ago
3 0
90 is correct like in the image
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4 0
3 years ago
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Which value of x makes the equation true? <br><br> x - 5.1 = -7.6 <br><br> x =
kherson [118]
X = -2.5 because:
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8 0
3 years ago
I need to Decrease 6400 by 9%
Advocard [28]

Answer:

5824

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10% of 6400 =640

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5 0
2 years ago
Find f(a-2) when f(x)= 2x^2 +3x
Zarrin [17]
Hopefully this helps

4 0
3 years ago
MAY DAY MAY DAY, HELP
Pavlova-9 [17]

Have you heard the expressions "shooting fish in a barrel" or
"taking candy from a baby" ?

I've decided to take your points and try not to feel guilty about it.

A).  That's it !  That's the equation, for ANY basketball on Earth. 
You wrote it right there in your question.

In that equation that you wrote, the ' r ' is the initial velocity. 
You said that Adam tossed it straight up, and it was going 10 meters per second
   when it left his hand. 
So ' r ' in the equation is +10.
The equation is:
                             <em>d = 10t - 5t²  </em>  .
It tells you how high the ball is above its tossing height after any number of seconds.
The ' t ' in the equation is the number of seconds.  Any letter could have been used,
but ' t ' was cleverly selected because it stands for 'time'.

B).  You want to know where it is after 0.5 second ?    All you have to do is put '0.5'
into the equation wherever there's a ' t '.  Do you really need somebody to do that
for you ?

Well, OK.  You're being so overly generous with your points . . .

         Distance = 10 t - 5 t²

         Distance = 10 (0.5) - 5 (0.5)²

         Distance =     5       - 5(0.25)

         Distance =     5       -  1.25

         <em>Distance =        3.75 meters </em>

                                <u>positive</u> 3.75 means <u>above</u> Adam's hand. 

A thinking exercise:
-- He tossed the ball upwards at  10  meters per second.
-- Why is it not  5  meters above his hands after  0.5  second?


7 0
3 years ago
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