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3 years ago

Which quotient is greater than 3? 42 ÷ 19 40 ÷ 18 38 ÷ 14 36 ÷ 11

Mathematics

1 answer:

docker41 [41]3 years ago

4 0

36/11= 3.2 which is greater than 3

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Which of the following inequalities is true for ALL real values of x?

attashe74 [19]

(2x)2 > 3x2 is true the first two you can not have two x’s on the same side because where would you put them both when solving them the last one I’m not sure about

4 0

3 years ago

21-x=13 telllllllllll mee

BaLLatris [955]

Answer:

$x = 8$

Step-by-step explanation:

$21-x=13 \\ x = 21 - 13 \\ x = 8$

4 0

3 years ago

Read 2 more answers

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

Hence the value of f(3) is 1.9.

3 0

3 years ago

Shelly earns 11.45$ per hour. last week she worked 37 1/5 hours.how much did she earn last week

mojhsa [17]

The total amount that Shelley earned is $423.88.

7 0

4 years ago

What is the value of 11x^-3 y^-1 <br> for x=-1 and y=2

andrey2020 [161]

Answer:

-11/2

Step-by-step explanation:

Put the numbers into the expression and do the arithmetic.

$11(-1)^{-3}2^{-1}=\dfrac{11}{(-1)^3}\cdot\dfrac{1}{2^1}=\dfrac{-11}{2}$

3 0

3 years ago