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Nikolay [14]
3 years ago
7

What is 7+5 equal to?

Mathematics
1 answer:
dem82 [27]3 years ago
5 0
It equals twelve. hope it helps :)
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Ed intends to roll a six-sided number cube 100 times. What probability model can he use to predict whether or not each roll will
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The answer is Each roll has a 0.333 probability of being composite.

<em>(I just took the test, B was the answer)</em>

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Ax +by=c solve for y
hichkok12 [17]

Answer:

y = c/b - (A x)/b

Step-by-step explanation:

Solve for y:

A x + b y = c

Hint: | Isolate terms with y to the left hand side.

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b y = c - A x

Hint: | Solve for y.

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6 0
3 years ago
Write the equation for an exponential function that triples ever year, x, when the original amount is 4.
Citrus2011 [14]

Answer:

y = 4(3)^x

Step-by-step explanation:

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The exponential equation is of the form;

y = a(b)^n

In this case;

a = 4 , b = 3 and n = x

So we have the equation as;

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5 0
3 years ago
Given the length of three sides of a triangle, which is a right triangle?
RSB [31]

The aides of a right triangle will always satisfy the Pythagorean relationship ...

                   a² + b²=  c²

We can take each of these and try it out:

(1) ... 10² + 24² = 100 + 576  = 676
         √676 = <em>26  Yes</em>.

(2) ... 12² + 18²  =  144 + 324  =  468
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(3) ... 15² + 26²  =  225 + 676  =  901
         √901  =  30.017  Awfully close.  As an engineer, I'll buy this one. <em>Yes.</em>

(4) ...  40² + 50²  =  1,600 + 2,500  =  4,100
          √4,100  =  64.03, not 80.<em>  No.</em>


8 0
3 years ago
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