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Ilya [14]
2 years ago
8

Select whether each equation has no solution, one solution, or infinitely many solutions.

Mathematics
2 answers:
user100 [1]2 years ago
6 0

Answer:

Step-by-step explanation:

xxTIMURxx [149]2 years ago
3 0

Answer:

Step-by-step explanation:

A)  5x - 7 = 5x becomes -7 = 0 if 5x is subtracted from both sides.  This result is never true, so NO SOLUTION

B)3x−9=3(x−3)   Performing the indicated multiplication, we get

3x - 9 = 3x - 9.  This is always true, so there are INFINITELY MANY SOLUTIONS

C)2x−6=−2(x−3)   Performing the indicated multiplication, we get

2x - 6 = -2x + 6.  Adding 2x - 6 to both sides results in

4x - 12 = 0, or 4x = 12.  Thus, the solution is x = 3.  ONE SOLUTION

D)2x+6−5x=−3(x             This equation is incomplete

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Sasha bought 8.5 kilograms of apples, 3 kilograms of bananas, and 1.9 kilograms of peaches. How many kilograms of fruit did she
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Answer: 13.4 kilograms

Step-by-step explanation:

Because apples, bananas, and peaches are all fruits, all we need to do is add them together to find the total.

8.5 + 3 +  1.9 = 13.4

Be careful! Sometimes, the question will include objects that <em>aren't</em> fruits. Don't include those in your equation if it asks for the weight of the fruit (like in this question). That's extra information that you'll need to look out for in the future.

Don't forget your units (kilograms) and good luck!

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The cost of fencing a square garden at the rate of Rs.5 per
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\huge\underline{\overline{\mid{\bold{\red{ANSWER}}\mid}}}

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Total length of the fence = 400 metre

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The sum of two consecutive multiples of 9 is 63 .Find these multiples​
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an electrician charges $50 to make a house call and $40 for each hour worked. if you have $200 can you afford a repair that take
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Unit activity: exponential and logarithmic functions
nirvana33 [79]

We will conclude that:

  • The domain of the exponential function is equal to the range of the logarithmic function.
  • The domain of the logarithmic function is equal to the range of the exponential function.

<h3>Comparing the domains and ranges.</h3>

Let's study the two functions.

The exponential function is given by:

f(x) = A*e^x

You can input any value of x in that function, so the domain is the set of all real numbers. And the value of x can't change the sign of the function, so, for example, if A is positive, the range will be:

y > 0.

For the logarithmic function we have:

g(x) = A*ln(x).

As you may know, only positive values can be used as arguments for the logarithmic function, while we know that:

\lim_{x \to \infty} ln(x) = \infty \\\\ \lim_{x \to0} ln(x) = -\infty

So the range of the logarithmic function is the set of all real numbers.

<h3>So what we can conclude?</h3>
  • The domain of the exponential function is equal to the range of the logarithmic function.
  • The domain of the logarithmic function is equal to the range of the exponential function.

If you want to learn more about domains and ranges, you can read:

brainly.com/question/10197594

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