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3 years ago

12

What is 5√ ? Place a dot on the number line at the best approximation

1 answer:

Simora [160]3 years ago

7 0

You should place the square root of 5 between 2 and 3.

A square root is the number that get's multiplied by itself to get the given number. In this case, what 2 numbers multiply together to give 5.

It is an irrational number (never ending).
It is about 2.236

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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

Which congruence theorem can be used to prove △WXS ≅ △YZS? Triangles W X S and Y Z S are connected at point S. Angles W X S and

iVinArrow [24]

Point S makes the two connected angles the same. They both have right angles.

And one side of each is congruent.

This means you know 2 angles are the same and one side is the same.

You would use ASA (Angle, Side, Angle)

3 0

2 years ago

Read 2 more answers

Plsss help me im so stuck if i fail this test im screwed.

Leno4ka [110]

Answer:

The Answer is 32

Step-by-step explanation:

14+9

other side is equal to 9

14+9+9

6 0

2 years ago

Can someone help me please

telo118 [61]

It's a reflection across the x axis, so the y intercept won't change (12)

f (x) = 3x + 12
|
\/
g(x) = -3x + 12

I MAY BE WRONG IM ONLY 80% SURE

8 0

2 years ago

You are running a fuel economy study. One of the cars you find is blue. It can travel 43 1/2 on 1 1/4 gallons of gasoline. Anoth

ddd [48]

Answer:

35 1/2 divided by 1 1/4 then 27 1/5 divided by 4/5

For the blue car the answer is 28.4.

For the red car the answer is 34.

5 0

2 years ago