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Stolb23 [73]
3 years ago
15

On a cold winter day in Denver, the morning temperature was 14° Fahrenheit. By noon it had fallen 9°, and by 5pm that

Mathematics
1 answer:
ra1l [238]3 years ago
4 0
The temperature at 5pm is 0 degrees
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Before beginning voice lessons, Wanda already knew how to sing 19 pieces, and she expects to learn 1 new piece during each week
irakobra [83]

Answer:

19+12 = 31 pieces

Step-by-step explanation:

4 0
3 years ago
Find the measure of angle C in the triangle below. (The figure is not drawn to scale.)
alisha [4.7K]
2x+4x-4=80
6x-4=80
6x=84
84/6=14
Angle c = 4 x 14= 56 - 4 = 52

Hope this helps.
6 0
3 years ago
mitt are 24 peanuts. This represents 75 present of the bag peanut.how many peanut were originally in the bag.
In-s [12.5K]
Let x be the number of peanuts originally in the bag.

24/x = 75/100

24 = .75x

x = 32

There were 32 peanuts originally in the bag
8 0
3 years ago
I know this is an exponential function based on the fact the f(x) multiplies. But how do I get an equation from the table? I wil
almond37 [142]

Answer:An exponential function is defined by the formula f(x) = ax, where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.

Step 1: Take the natural log of both sides:

Step 2: Simplify the left side of the above equation using Logarithmic Rule 3:

Step 3: Simplify the left side of the above equation: Since Ln(e)=1, the equation reads

Ln(80) is the exact answer and x=4.38202663467 is an approximate answer because we have rounded the value of Ln(80)..

Check: Check your answer in the original equation.

Example 2: Solve for x in the equation tex2html_wrap_inline133

Step 1: Isolate the exponential term before you take the common log of both sides. Therefore, add 8 to both sides: tex2html_wrap_inline135

   

Step 2: Take the common log of both sides:

Step 3: Simplify the left side of the above equation using Logarithmic Rule 3:

Step 4: Simplify the left side of the above equation: Since Log(10) = 1, the above equation can be written

Step 5: Subtract 5 from both sides of the above equation:

is the exact answer. x = -3.16749108729 is an approximate answer..

- all online resources

5 0
3 years ago
Which graph shows a set of ordered pairs that represents a function?
bonufazy [111]

There is a rule for functions:

One input(x-value) can only have one output(y-value).

If one input has more than one output, it is not a function.

(This doesn't apply to outputs, one output can have more than one input and still be a function)

This graph shows a set of ordered pairs that does NOT represent a function because there are two points on x = -3. The input -3 has more than one output of -4 and 4, so it is not a function.

4 0
3 years ago
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