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Thepotemich [5.8K]
3 years ago
14

Which expression is equivalent to-4x4x4x4x4x4 x 4x4?

Mathematics
1 answer:
Mila [183]3 years ago
6 0

Answer:

65536

Step-by-step explanation:

4*4*4*4*4*4*4*4 = 4^8 = 65536

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Mark dropped an object from a bridge 400 feet above the ground level with an initial velocity of 0. He knows that the gravitatio
lisabon 2012 [21]

Answer:

The first listed equation is the correct equation to solve

The correct answer is: t = 5 seconds

Step-by-step explanation:

Let me mention first that there is an error in the statement that the gravitational pull of the Earth is 16 ft/s^2. It is in fact 32 ft/s^2, and the actual equation uses half of the acceleration multiplied by the square of the variable time, so it gives as final expression :

y(t)=-16\,t^2+ 0 \,t +400

and we want to find the value/s for "t" that make this equation equal zero (when it reaches the ground and the object just touches the ground. This makes the equation we want to solve:

0=-16\,t^2+ 0 \,t +400\\16\,t^2+0\,t -400=0

which solving for "t" becomes:

16\,t^2-400 =0\\16\,t^2=400\\t^2=\frac{400}{16} \\t^2=25\\t= +/- 5\,\,sec

So we adopt the positive answer (positive time) since the negative value has no physical meaning for this problem.

That is: t = 5 seconds

6 0
3 years ago
-5(3m+6)= -3(4m - 2)
algol13
-15m -30 = -12m +6
3m = 36
m= 36/3 =12
4 0
3 years ago
Read 2 more answers
Which statement can be used to prove whether the conjecture is true or false?
Scrat [10]

Answer:

في الأسبوع الماضي ، اشترى تشين جالونًا من البنزين للغالون الواحد. هذا الأسبوع اشترى جالونًا من البنزين مقابل الدولار للغالون

Step-by-step explanation:

4 0
3 years ago
I just need help to solve these steps.
My name is Ann [436]
I dont think the answer is 129 unless you typed the problem in wrong. Order of operations say to do everything inside the perenthesis first so you would do the 3*2 which is 6 then divide the 12 by 6 and you get 2. so your new equation is 8^2+9(2)-7. Next distribute the 9 to the 2 that is inside the perenthesis. Square root the 8 also. Now it is 49+18-7. The answer would be 60 ...?

6 0
3 years ago
Sole this question ? <br>30÷5+(9×5)-3²=<br>​
yuradex [85]

Answer:

  • 30÷5+(45)-9
  • 6+45-9
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  • I do exams and quizzes if ur interested
7 0
3 years ago
Read 2 more answers
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