3 years ago

Anyone know the answer ?!? Let me know please !!!

Mathematics

1 answer:

Andru [333]3 years ago

3 0

Answer:

25/35 = .71 = 71%

Step-by-step explanation:

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X⁴-12x²+36 equals what

Harrizon [31]

Hello there!

From that amount of information, you can't get a numerical value for the answer.

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3 years ago

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Express the following as a unit rate :<br><br> 5 croissants for $10

raketka [301]

Answer:

$2/croissant

Step-by-step explanation:

$10÷ 5croissants = $2/ 1 croissant

7 0

3 years ago

X/8 -5 <-2 how do I solve this to make it true

sdas [7]

First you would add 5 to both sides
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3 years ago

As a lifeguard, you can earn $5 per day plus $7.50 per hour. How many hours you must work to earn $50 in one day?

ELEN [110]

Answer:

Step-by-step explanation:

Earnings = 5 + 7.50x You want to earn 50.00

50 = 5 + 7.50x Set up equation

45 = 7.50x Subtract 5

45/7.50 = (7.50/7.50) x Divide by 7.5

x = 6

You need to work 6 hours.

3 0

3 years ago

Find the average value of the function on the given interval.<br> f(x)=ex/7; [0,7]

Anastaziya [24]

Answer:

$f_{avg}=e-1$

Step-by-step explanation:

We are given that a function

$f(x)=e^{\frac{x}{7}}$

We have to find the average value of function on the given interval [0,7]

Average value of function on interval [a,b] is given by

$\frac{1}{b-a}\int_{a}^{b}f(x)dx$

Using the formula

$f_{avg}=\frac{1}{7-0}\int_{0}^{7}e^{\frac{x}{7}} dx$

$f_{avg}=\frac{1}{7}[e^{\frac{x}{7}}\times 7)]^{7}_{0}$

By using the formula

$\int e^{ax}=\frac{e^{ax}}{a}$

$f_{avg}=(e-e^0)=e-1$

Because $e^0=1$

$f_{avg}=e-1$

Hence, the average value of function on interval [0,7]

$f_{avg}=e-1$

8 0

3 years ago