2 years ago

In which section of the number line is √5?

1 answer:

6 0

We know that $\sqrt(4)$ and $\sqrt(9)$ are 2 and 3 respectively. Therefore, $/sqrt(5)$ is between 2 and 3, approximately 2.2.

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Find the lateral surface area of the figure.

Brut [27]

Surface area of the cylinder = 816.4 sq. ft.

Solution:

Height of the cylinder = 21 ft

Diameter of the cylinder = 10 ft

Radius of the cylinder = 10 ÷ 2 = 5 ft

Use the value of $\pi$ = 3.14

Surface area of the cylinder = $2 \pi r h+2 \pi r^{2}$

Substitute the given values in the surface area formula, we get

Surface area of the cylinder $$=2\times3.14\times 5\times 21+2 \times3.14\times 5^2$

$=659.4+157$

$=816.4$ ft²

Hence the surface area of the cylinder is 816.4 sq. ft.

7 0

2 years ago

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Which is the simplified form of the expression

ki77a [65]

Are you gonna put the expression or what?

8 0

2 years ago

Which expression is equivalent to 36x2 − 100

slavikrds [6]

Answer:

73-1= 72

Step-by-step explanation:

6 0

1 year ago

A lorry travel at 30 km per hour.If it takes 3/4 hour for a certain journey,how long is that journey

DiKsa [7]

Answer:

22.5 km

Step-by-step explanation:

divide 30 by 4 times it by 3

8 0

1 year ago

Help me to solve this

antoniya [11.8K]

The answer is 2cm

$8 \times 10 {}^{ - 3} \times 250 = 2000 \times 10 {}^{ - 3} \\ = 2$
or:
$8 \times {10}^{ - 3} \times 250 = 0.008 \times 250 \\ = 2$

good luck

4 0

2 years ago