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SpyIntel [72]
2 years ago
15

=4−13. Please. I need help

Mathematics
1 answer:
Tatiana [17]2 years ago
6 0

Answer:

4-13=-9

Step-by-step explanation:

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Create a word problem that involves speed
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A hockey puck is sliding on frictionless ice on an infinite hockey rink.
Its speed is 36 km/hour.  How far does the puck slide in 10 seconds ? 

 (36 km/hr) x (1,000 m/km) x (1 hr/3600 sec) x (10sec) =

         (36 x 1,000 x 10 / 3,600) meters  =  <em>100 meters</em>

What is the puck's speed in miles per hour ?

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3 years ago
Please answer!!!!<br> Express (x + 9)2 as a trinomial in standard form.
Ghella [55]

Answer:

x² +18x +81

Step-by-step explanation:

(a+b)²=a²+b²+2ab

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Write 6.2 as a improper fraction ​
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Step-by-step explanation:

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2 years ago
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Function: g(x) = 2x2 – 8
DedPeter [7]

Answer:

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Step-by-step explanation:

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Two boys' ages total 24. Four less than six times the younger boy's age equals five more than three times the older boy's age. W
babunello [35]

Hey there!

Let x be boy 1's age, and y be boy 2's age (younger).

Firstly, we know that x+y=24

6y-4=3x+5 <== we have this right here. (using the rules given by the question)

We can use all the equations to help find the answer.

x+y=24

x+y (-y)= 24(-y)

x=24-y

Plug that into x in the equation we made above.

6y-4= 3(24-y)+5

6y-4= 72-3y+5

Add 4 to each side.

6y= 81 -3y

9y=81

y=9

We know the younger boys age is 9.

We can plug that in to find the older one's age.

x+9= 24

x= 15

The boy's ages are 9 and 15.

I hope this helps!

~kaikers


7 0
3 years ago
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