3 years ago

Help pleaseeee xxxxxxxxx

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

5 0

With what????????????

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The UK has an area of 243,610km2 and a population of 6.41 x 107. Calculate the population density the United Kingdom. Answer to

hodyreva [135]

Answer: Population density the United Kingdom $=2.63\times10^2$

A= 2.63

B= 2

Step-by-step explanation:

We know that, to calculate the population density, we will divide the population by the size of the area.

i.e. $\text{Population density}=\dfrac{\text{Population size}}{\text{Area}}$

Given : Area of UK = 243,610 km²1

Population = $6.41 \times 10^7$

Then, the population density the United Kingdom would be :

$\text{Population density}=\dfrac{6.41 \times 10^7}{243,610}\\\\=\dfrac{64100000}{243610}=263.125487459\\\\\approx263=2.63\times10^2$

On comparing to $A\times10^B$ , we get

A= 2.63

B= 2

3 0

3 years ago

Match the verbal expression to its correct algebraic expression. Five more than the square of a number Five more than twice a nu

Aleks04 [339]

Answer:

$x^{2}$ +5

2x+5

3x-5

2(n+5)

3( $x^{3}$ +5)

5x(x^3)

Step-by-step explanation:

5 0

4 years ago

help me. i don’t know any of this. i have no idea what surface area is because i wasn’t listening :DD

Y_Kistochka [10]

Your answer should be 486 inches, you do 9x9 to find the area of one of the faces, and because there is 6 faces, you multiply that answer (81) to get 486

3 0

3 years ago

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What’s an equation for<br> Five times a number

aalyn [17]

Answer: 5 x ?

Step-by-step explanation:

7 0

3 years ago

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If the simple interest on $7000 for 3 years is $1890, then what is the interest rate?

hoa [83]

Answer:

0.09 or 9%

Step-by-step explanation:

I = Prt

Given:

I = 1890

P = 7000

t = 3

Work:

I = Prt

r = I/(Pt)

r = 1890/(7000 x 3)

r = 1890/21000

r = 0.09

4 0

3 years ago