2 years ago

PLZZ HELPP

Mathematics

2 answers:

Lera25 [3.4K]2 years ago

8 0

Answer:

the answer is 8x-4+x>67

8*8 - 4 + 8 >68 is greater than 67 so the

answer is 8

Step-by-step explanation:

meriva2 years ago

6 0

The youngest age the grandson can be is 8 years old.
BRANLIEST? :)

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PLEASE HELP NEED THIS ANSWERED CORRECTLY

Helen [10]

f(3) = 1.9

Solution:

Given function:

$$f(x)=\frac{14}{7+2 e^{-0.6 x}}$

To find f(3):

Substitute x = 3 in the given function.

$$f(3)=\frac{14}{7+2 e^{-0.6 (3)}}$

$$f(3)=\frac{14}{7+2 e^{-1.8}}$

Let us first simplify $2e^{-1.8}$ .

Apply exponent rule: $a^{-b}=\frac{1}{a^{b}}$

$2e^{-1.8}=2\frac{1}{e^{1.8}}$

The value of $e^{1.8}=6.04964$ . (using calculator)

$$\frac{2}{e^{1.8}}=\frac{2}{6.04964}=0.33059$

$2e^{-1.8}=0.33059$

Substitute this value in f(3).

$$f(3)=\frac{14}{7+0.33059}$

$$f(3)=\frac{14}{7.33059}$

$$f(3)=1.90980$

f(3) = 1.9

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bogdanovich [222]

Answer:

The answer is 80 because 10x8 is 80 and the nearest 10 means it need to have a 0 behind so it is 80

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