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xxTIMURxx [149]
3 years ago
9

Please help asap tell me if you cant open the document

Mathematics
2 answers:
KengaRu [80]3 years ago
6 0
I can’t see the question...
bogdanovich [222]3 years ago
4 0

Answer:

...

Step-by-step explanation:

can't open the document

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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}
\\
a =38.28

3 0
4 years ago
Trapezoids A and B are similar. Find the values of x and y.
Wewaii [24]

Step-by-step explanation:

when 2 shapes are similar, it means that all their angles are the same compared with each other.

and all distances (incl. side lengths) if one shape correlate to the corresponding distances in the other shadow by the same ratio or factor.

we have one side (30 m in A and 50 m in B), where we have both measures.

we see that the ratio to "go" from A to B is 30/50 = 3/5.

that means a distance in A is the same distance in B multiplied by 3/5.

and that factor is the same also for every other side.

therefore,

x = 15 m × 3/5 = 3 m × 3 = 9 m

y × 3/5 = 18 m

3y = 90 m

y = 30 m

3 0
2 years ago
ESTIMATE.137,638 +52,091
OverLord2011 [107]

In order to estimate this problem we must first estimate the two numbers involved.

137,638 rounds up to 138,000.

Since the 6 is bigger than 5 it makes the number 7 round up to 8

Now..

52,091 rounds out to 52,000

Since the number to the left of the 2 is not bigger than 5 then it stays the same at 52,000

Now we have to add our estimated numbers.

138,000 + 52,000 = 190,000

Your answer is 190,000

Good Luck! :)

❤️ ❤️ ❤️

5 0
3 years ago
Read 2 more answers
Karen says every equilateral triangle is acute. Is this true?
iVinArrow [24]
Yes, equilateral triangles are 60 degrees unlike right angles that are 90.
8 0
3 years ago
Read 2 more answers
1/2 of the people in the clinic are men, 1/3 are elderly, how many people are not elderly or men?
Nostrana [21]

1/6 of the people are not elderly or men

<h3>How to determine the proportion?</h3>

The given parameters are:

Men = 1/2

Elderly = 1/3

The number of people that are not elderly or men are:

People = 1 - Men - Elderly

So, we have:

People = 1 - 1/2 - 1/3

Evaluate

People = 1/6

Hence, 1/6 of the people are not elderly or men

Read more about proportion at:

brainly.com/question/1781657

#SPJ1

7 0
2 years ago
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