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3 years ago

An amusement park ride 36 meters high; 0.5 cm = 1.5 m.

Mathematics

1 answer:

zavuch27 [327]3 years ago

4 0

I think the answer is 3600 cm high

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How many atoms are in the given sample 214.1 g of Vanadium

lord [1]

Answer:

The atomic weight (or atomic mass) of Vanadium is 50.9415 which means that a "mole" of Vanadium atoms (6.02 x 10^23 atoms) will have a mass of 50.9415 grams. So, 214.1 grams of Vanadium would have

(214.1 / 50.9415) * (6.02 x 10^23) = 2.530 x 10^24 atoms

Step-by-step explanation:

6 0

3 years ago

How many roots does this has?<br>x^2+(2√5x)+2x=-10<br>find Discriminant

Alexxandr [17]

Given:

The equation is

$x^2+(2\sqrt{5})+2x=-10$

To find:

The number of roots and discriminant of the given equation.

Solution:

We have,

$x^2+(2\sqrt{5})x+2x=-10$

The highest degree of given equation is 2. So, the number of roots is also 2.

It can be written as

$x^2+(2\sqrt{5}+2)x+10=0$

Here, $a=1, b=(2\sqrt{5}+2), c=10$ .

Discriminant of the given equation is

$D=b^2-4ac$

$D=(2\sqrt{5}+2)^2-4(1)(10)$

$D=20+8\sqrt{5}+4-40$

$D=8\sqrt{5}-16$

$D\approx 1.89>0$

Since discriminant is $8\sqrt{5}-16\approx 1.89$ , which is greater than 0, therefore, the given equation has two distinct real roots.

3 0

3 years ago

Find the area of the shape

Annette [7]

Answer:

36 + 36 = 72

Step-by-step explanation:

6 0

3 years ago

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18 divided by 2 equals 9 because

coldgirl [10]

Answer:

anwer a

2 times 9 equals to 18

5 0

3 years ago

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Rewrite the expression without parentheses.<br> 13m−(−9m−4)

svetoff [14.1K]

Answer:

22m+4

Step-by-step explanation:

Let's break it down:

13m+-1(-9m-4)

13m+(9m+4)

22m+4

7 0

2 years ago

Read 2 more answers