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Cloud [144]
3 years ago
12

Can you please help me I really need help urgently pls

Mathematics
2 answers:
sashaice [31]3 years ago
7 0
You have to dive the x and the Y so R=7
postnew [5]3 years ago
7 0

Answer:

r is 7

Step-by-step explanation:

y = rx

Let y = 14

x = 2

(choose any number on the same row for the value of x&y)

14 = 2r

r = 7

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A solid object in the shape of a cylinder is shown below.
lozanna [386]

Answer:

0.08\ kg/m^3

Step-by-step explanation:

Density is defined as mass of an object divided by its volume.

#We calculate the volume of the cylinder:

V=\pi r^2 h, r=D/2=6/2=3\ cm\\\\=3.14\times 3^2\times 7\\\\=197.82\ m^3

Given the mass= 15.3kg and volume as above, we calculate density as:

\rho=\frac{Mass}{Volume}\\\\=\frac{15.3\ kg}{197.82\ m^3}\\\\=0.0773\approx 0.08\ kg/m^3

Hence, the solid's density is 0.08\ kg/m^3

4 0
4 years ago
How do you solve this
djyliett [7]
7 is the coefficient :)
6 0
3 years ago
A town has a population of 13,000 and grows at 4.5% every year what will be the population after 13 years to the nearest whole n
Vlad [161]

Answer:

23,039

Step-by-step explanation:

13,000×1.045¹³ ≅ 23,039

3 0
3 years ago
The graph of an equation is shown below:
VikaD [51]

(1, 3 )

to determine if the given points are a solution to the equation

They must lie on the given line to be a solution

the only one that is on the line is (1, 3 ) and is therefore the only solution


6 0
4 years ago
A forest cover 43,000 acres. A survey finds that 0.2% of the forest is old growth tress. How many acres of old growth trees are
Sveta_85 [38]

Given:

Total forest area = 43,000

Old growth trees forest = 0.2%

To find:

The area of the old growth trees.

Solution:

We have,

Total forest area = 43,000

Old growth trees forest = 0.2%

Area of the old growth trees = 0.2% of 43,000

                                               = \dfrac{0.2}{100}\times 43000

                                               = 86

Therefore, the area of the old growth trees is 86 acres.

6 0
3 years ago
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