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2 years ago

H(a) = 3 - 2a find h(-3)

Mathematics

2 answers:

skelet666 [1.2K]2 years ago

6 0

Answer:

h(-3)=9

Step-by-step explanation:

hope this helps

Rainbow [258]2 years ago

4 0

H(-3)=9
Good luck on it

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Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in t

Tresset [83]

Answer: The volume of largest rectangular box is 4.5 units.

Step-by-step explanation:

Since we have given that

Volume = $xyz$

with subject to $x+2y+3z=9$

So, let $z=\dfrac{9-x-2y}{3}$

So, Volume becomes,

$V=xyz\\\\V=xy(\dfrac{9-x-2y}{3})\\\\V=\dfrac{9xy-x^2y-2xy^2}{3}$

Partially derivative wrt x and y we get that

$9-2x-2y=0\implies 2x+2y=9\\\\and\\\\9-x-4y=0\implies x+4y=9$

By solving these two equations, we get that

$x=3,y=\dfrac{3}{2}$

So, $z=\dfrac{9-x-2y}{3}=\dfrac{9-3-3}{3}=\dfrac{3}{3}=1$

So, Volume of largest rectangular box would be

$xyz=3\times \dfrac{3}{2}\times 1=\dfrac{9}{2}=4.5$

Hence, the volume of largest rectangular box is 4.5 units.

4 0

3 years ago

Solve -6 + 6 sin x = -6 + 8 sin x for 0 < x < 180

max2010maxim [7]

Answer:

0.96

Step-by-step explanation:

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3 0

2 years ago

Does taking ginkgo tablets (i.e., and extract from a tree species) twice a day provide significant improvement in mental perform

Dmitriy789 [7]

Answer:

D. These results do not provide good statistical evidence that taking ginkgo tablets twice a day provides some improvement in mental performance. If 200 tests are being performed at the 5% significance level, some are bound to show statistically significant results, even if the treatment does not have any effect. It is premature to draw statistical conclusions from this study in which the percentage of significant tests is about 5%.

Step-by-step explanation:

It is not right to just made a conclusive argument on a large population by considering the outcome of the analysis made on a sample of the population. In addition, based on the number of tests conducted with about 5% significance level, it is clear that this can not be used to draw the necessary conclusion.

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3 years ago

Which is the solution to the inequality 1/4+x<5/8

Masteriza [31]

Answer:

x<3/8

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Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

x+1/4<5/8

Step 2: Subtract 1/4 from both sides.

x + 1/4 - 1/4 < 5/8 - 1/4

x<3/8

7 0

2 years ago

The area of a rectangle is 44m2.The length is 3 2/3. the width is x find the missing length

zimovet [89]

A = lw
44 = 3 2/3 w
w = 44 / (3 2/3)
w = 12

5 0

3 years ago