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galina1969 [7]
3 years ago
9

Pat can mow the grass on the football field in 45 minutes. Jordan can mow

Mathematics
1 answer:
Basile [38]3 years ago
6 0

You set up the equation like this:

T/45+T/53=1

You find the least common factor of 53 and 45 and times both sides so you end up with this:

53T+45T= least common factor

Then add up 53T and 45T.

98T= least common factor

Then divide 98 from both sides. That will be your answer.

Sorry I didn't have enough time to find the least common factor but it is a number that they both go into. I would check to make sure I'm correct. I hope this helps!

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The 24 students in ms. lees class each collected an average of 18 cans for recycling. then 21 students in mr. galvez's class eac
belka [17]

This can be solve by using the average cans of each student collected and muliply it by the total students. Since for ms. Lee has 24 students and each student collected 18 cans on average, so the total can her class collected on average is 432 cans. For mr galveshas 21 students and collected 25 can per syudents on average, so the total is 525 cans. So 525 – 432 = 93 more cans the class of mr galvez collected

7 0
3 years ago
Help me please :33 :ppp
Marrrta [24]

Answer:

your speed is 8.1

Step-by-step explanation:

17.5-9.4=8.1

8 0
3 years ago
5/7+7/22 what is the answer
andrey2020 [161]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Let’s look at another one of Homer’s rocket launches. It was launched from ground level with an initial velocity of 208 feet per
kozerog [31]

Answer:

Smax = 676 ft

the maximum altitude (height) the rocket will attain during its flight is 676 ft

Step-by-step explanation:

Given;

The height function S(t) of the rocket as;

S(t) = -16t2 + 208t

The maximum altitude Smax, will occur at dS/dt = 0

differentiating S(t);

dS/dt = -32t + 208 = 0

-32t +208 = 0

32t = 208

t = 208/32

t = 6.5 seconds.

The maximum altitude Smax is;

Substituting t = 6.5 s

Smax = -16(6.5)^2 + 208(6.5)

Smax = 676 ft

the maximum altitude (height) the rocket will attain during its flight is 676 ft

8 0
3 years ago
3x+4y=-23 <br> 2y-x=-19 <br> What is the solution (x,y) to the systems of equations above?
Shkiper50 [21]
If we multiply the bottom equation by 2 and move x to the right, it becomes:

4y = 2x-38

Now we can substitute it for the 4y in the top equation:

3x + (2x-38) = -23 => 5x = -23+38 => 5x = 15 => x=3

Then 4y = 2*3-38 => y = -8

So the solution is (3,-8)
3 0
3 years ago
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