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3 years ago

Round 624.914 to the nearest tenth.

Mathematics

2 answers:

goblinko [34]3 years ago

8 0

Answer:

624.9

Step-by-step explanation:

Karo-lina-s [1.5K]3 years ago

4 0

Answer:

625 i think

Step-by-step explanation:

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Help please I’m stuck on this problem

slavikrds [6]

120 km / 2km = 60

60*0.5 = 30 cm

6 0

4 years ago

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a construction company poured a cylindrical shaped concrete column 15 feet long with a radius of 3 feet. How much concrete did i

Vinil7 [7]

<u>Answer:</u>

The volume of cylinder in terms of π is $135\pi$ cubic feet

<u>Explanation:</u>

Given the radius of the cylindrical shaped concrete column is 3 feet

Height of the column is 15 feet

The volume of a cylinder is calculated by the formula;

V = $\pi r^2h$ , where

r is the radius and h is the height

Substituting the values,

V = $\pi \times (3)2\times (15)$

V = $\pi \times 9\times 15$

$V = \pi \times 135\\V = 135\pi$

Hence, the volume of cylinder in terms of π is $135\pi$ cubic feet

7 0

3 years ago

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The function f(x)=x^2 -6x+3 is transformed such that g(x)=f(x-2). Find the vertex of g(x).

Lisa [10]

Answer:

$g(x) = (x-2)^2 -6(x-2) +3$

$g(x) = x^2 -4x +4 -6x +12 +3$

$g(x) = x^2 -10 x +19$

$g(x) = x^2 -10 x + 25 +19 -25$

$g(x) = (x-5)^2 -6$

$y= (x-h)^2 -kk$

Where h,k represent the vertex and we got:

$(h,k)= (5,6)$

(5,6)

Step-by-step explanation:

We have this original function given :

$f(x) = x^2 -6x +3$

And we want to find the vertex for this new function $g(x) = f(x-2)$ and we have:

$g(x) = (x-2)^2 -6(x-2) +3$

And solving the square we got:

$g(x) = x^2 -4x +4 -6x +12 +3$

And adding similar terms we got:

$g(x) = x^2 -10 x +19$

Now we can complete the square like this:

$g(x) = x^2 -10 x + 25 +19 -25$

$g(x) = (x-5)^2 -6$

The general equation is given by:

$y= (x-h)^2 -kk$

Where h,k represent the vertex and we got:

$(h,k)= (5,6)$

(5,6)

5 0

4 years ago

A zookeeper is buying fencing to enclose a pen at the zoo. The pen is an isosceles right triangle. There is already a fence alon

pav-90 [236]

Answer:

He should buy 189.47 feets.

Step-by-step explanation:

Since there's a hypotenuse this triangle is rectangular and since it's an isosceles triangle we know that both cathetus are equal. We were given the area of this triangle, wich is 4500 square feet, the equation to compute this area is A = b*h/2, since the cathetus are equal b = h and we can solve for either of this variables. So we have:

A = b*b/2

4500 = b*b/2

b*b= 9000

b = sqrt(9000) = 94.87 feet

Since the hypotenuse of this triangle already has a fence we only need to buy the fencing for the cathetus, wich should be two times b, since there are two cathetus. So the amount of fence is 2*b = 2*94.87 = 189.74 feets.

5 0

4 years ago

At Sunrise Donuts you can buy 6 donuts and 2 kolaches for $8.84. One kolache and 4 donuts would cost $5.36. What is the price of

ddd [48]

Answer:

$0.94 is the price of one donut at Sunrise Donuts

Step-by-step explanation:

Let x be the price of one donuts and y be the price of one kolaches.

As per the statement:

At Sunrise Donuts you can buy 6 donuts and 2 kolaches for $8.84.

⇒ $6x+2y = 8.84$ .....[1]