3 years ago

What is 3.2+4.67 still as a decimal in complete form

Mathematics

2 answers:

brilliants [131]3 years ago

7 0

The answer of 3.2+4.67 is:

decimal form: 12.87

fraction form: 12 87/100

bekas [8.4K]3 years ago

7 0

The answer this question is 7.87

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A function f is given by the formula f(x)=a⋅ekx for constants a and k. we also know that f(4)=12 and f(7)=5. find numerical valu

masha68 [24]

The given function is

$f(x) = a e^{kx}$

And it is given that $f(4)=12$

On using this information, we will get

$12 = a e^{4k}$

And the other point is $f(7)=5$

Using this point, we will get

$5= ae^{7k}$

Dividing both equations, we will get

$\frac{12}{5} = e^{4k-7k}$

Taking ln to both sides

$ln( \frac{12}{5} ) = -3k$

$k = -0.29$

Performing back substitution ,

$12 = a e^{-0.29*4}
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4 years ago

Which of the following is a statistical question?

Elena L [17]

C how many students attend natashas school

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3 years ago

Solve the systems of equation by elimination. <br><br> x + 5y = -7<br> 2x + 7y = -8

labwork [276]

2x-7y=-6 but x = 5y , so

2(5y) - 7y = -6

7 0

3 years ago

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!

Triss [41]

Answer:

December

Step-by-step explanation:

December: acoustic/ electric =10/12 = 5/6

January : 13/16

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5/6 *8/8 = 40/48 for December

13/16 * 3/3 =39/48 for January

December has a higher ratio

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3 years ago

How to find the midpoint in a segment

Brilliant_brown [7]

Answer:

$\text{Segment midpoint formula}$

Step-by-step explanation:

$(\frac{x1 + x2}{2},\frac{y1+y2}{2})$

For example:

$\text{Points: } (4,9) (8,4)$

As long as you appropriately place the X and Y points, it doesn’t matter which $x \underset{1}$ etc you use.

$(\frac{4+8}{2},\frac{9+4}{2}) = 6, 6.5$

$\text{X midpoint: 6}\\\text{Y midpoint: 6.5}$

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3 years ago