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DENIUS [597]
3 years ago
7

Need help now due today

Mathematics
1 answer:
san4es73 [151]3 years ago
3 0

a) The variable in the inequality is <u>x.</u>

b) The inequality symbol needed <u>< ( or >)</u>

c) The constant is <u>8.</u>

d) The inequality is <u>f(x)<8x .</u>

Step-by-step explanation:

Given,

The person can make less than $8 per hour

To find the correct inequality for this situation.

Let us take,

The person works for x hours.

If the total income of the person for x hours is f(x)

Then, the inequality will be

f(x)<8x

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bearhunter [10]
Because 5x4 is 20 but 5x1/4 is 1,25.

5 x 1 = 5... / 4 = 1,25
Or ... -> 1/4 = 0,25 * 5 = 1,25

;)
8 0
2 years ago
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Write each expression as an algebraic​ (nontrigonometric) expression in​ u, u &gt; 0.
max2010maxim [7]

Answer:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)=\frac{20\sqrt{u^2-100}}{u^2}\text{ where } u>0

Step-by-step explanation:

We want to write the trignometric expression:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)\text{ where } u>0

As an algebraic equation.

First, we can focus on the inner expression. Let θ equal the expression:

\displaystyle \theta=\sec^{-1}\left(\frac{u}{10}\right)

Take the secant of both sides:

\displaystyle \sec(\theta)=\frac{u}{10}

Since secant is the ratio of the hypotenuse side to the adjacent side, this means that the opposite side is:

\displaystyle o=\sqrt{u^2-10^2}=\sqrt{u^2-100}

By substitutition:

\displaystyle= \sin(2\theta)

Using an double-angle identity:

=2\sin(\theta)\cos(\theta)

We know that the opposite side is √(u² -100), the adjacent side is 10, and the hypotenuse is u. Therefore:

\displaystyle =2\left(\frac{\sqrt{u^2-100}}{u}\right)\left(\frac{10}{u}\right)

Simplify. Therefore:

\displaystyle \sin\left(2\sec^{-1}\left(\frac{u}{10}\right)\right)=\frac{20\sqrt{u^2-100}}{u^2}\text{ where } u>0

4 0
2 years ago
Geometry question need help finding the answer.
Xelga [282]

Answer: 1208.96

Step-by-step explanation:

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The volume of the prism is (6)(12)(14)=1008

So, the total volume is 1008+64\pi=\boxed{1208.96}

6 0
1 year ago
Which tree was the tallest when it was first planted
daser333 [38]

Answer:

Tree c

Step-by-step explanation:

7 0
2 years ago
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The answer or what measurements I need to multiply?
Zigmanuir [339]
Spilt into two figures
first one = 10 x 8 x 14 = 1120
second one = 10 x 10 x 8 = 800
Total volume = 1120 + 800 = 1920 cubic cm
6 0
3 years ago
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