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solong [7]
3 years ago
9

Which unit would you use to measure the weight of a cell phone?

Mathematics
2 answers:
fomenos3 years ago
5 0
The answer is A. hope this helps!!!
Mice21 [21]3 years ago
3 0
I would think you would use ounces to measure the weight of a cell phone
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Wat is 10,000 more than 6,310
ziro4ka [17]
To find 10,000 more than 6,310, you add; so the answer is 16,310
3 0
3 years ago
Let x^2+15x=49
Slav-nsk [51]
<span>x^2 + 15x + 56.25 = 105.25

    "Completing the square" is one of many different techniques for solving a quadratic equation. What you do is add a constant to both sides of the equation such that the lefthand side can be factored into the form a(x+d)^2. For instance, squaring (X+D) = X^2 + 2DX + D^2. Notice the 2DX term. That is the same term as the 15x term in the problem. So 2D = 15, D = 7.5. And D^2 = 7.5^2 = 56.25.
So we have
 x^2 + 15x + 56.25 = 49 + 56.25
 Which is
 x^2 + 15x + 56.25 = 105.25
  Which is the answer desired.

   Now the rest of this is going beyond the answer. Namely, it's answering the question "Why does complementing the square help?" Well, we know that the left hand side of the equation can now be written as
 (x+7.5)^2 = 105.25

   Now take the square root of each side
 (x+7.5) = sqrt(105.25)

   And let's use both the positive and negative square roots.
So x+7.5 = 10.25914226
 and
 x+7.5 = -10.25914226

   And let's find X.
 x+7.5 = 10.25914226
 x = 2.759142264

   x+7.5 = -10.25914226
 x = -17.75914226

   So the roots for x^2 + 15x - 49 is 2.759142264, and -17.75914226</span>
3 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through the two given points of (-3, 4) and (-3, -8)
Lynna [10]

Answer:

it is not express because the line is parallel at y axis

Step-by-step explanation:

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Find the length of the missing side
balu736 [363]

Answer:

x = 11.1

Its a right angle triangle with the values of its adjacent and hypotenuse given so cos is used.

8 0
3 years ago
What does 6 27/18-3 3/8=
ludmilkaskok [199]
Easy. The answer would be 4 1/8.
3 0
3 years ago
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