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3 years ago

Which of the symbols correctly relates the two number below? Check all that apply 45? 45

Mathematics

2 answers:

kvasek [131]3 years ago

4 0

Answer:

Step-by-step explanation:

45 is the same value as 45.

The two quantities are equal.

You use an equal sign to show this relationship.

Hope this helps.

Gumina

sergij07 [2.7K]3 years ago

3 0

=======

that is right this is right..

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Four cylindrical pillars of a building are to be painted. If the diameter of each pillar is 1.4m and it's height is 6m, find the

KatRina [158]

Answer:

$Rs. 1056$

Step-by-step explanation:

Given: Diameter of each pillar= 1.4m

Height= 6m

Cost of painting the curved surfaces of all the pillars at the rate of Rs $10\ per\ m^{2}$

First lets find out radius of each pillar.

Radius (r)= $\frac{Diameter}{2}$

∴ Radius (r)= $\frac{1.4}{2} = 0.7\ m$

Now, finding area of cylindrical pillar.

Formula; Area of curved surface= $2\pi rh$

⇒ Area of curved surface= $2\times \frac{22}{7} \times 0.7\times 6 = 26.4\ m$

∵ There are four cylindrical pillars.

∴ Curved surface area of four pillar= $4\times 26.4\ m= 105.6\ m^2$

Curved surface area of four pillar is 105.6 m²

Next, finding the cost of painting the pillars.

As given, cost of painting is Rs 10 per m².

∴ Cost of painting 105.6 m²= $10\times 105.6 m^{2} = Rs. 1056$

∴ The cost of painting the curved surfaces of all the pillars is Rs.1056.

8 0

4 years ago

What is the value of "c" in the quadratic equation 3x^2 5x 7 = 0?

mote1985 [20]

If you would like to know the value of 'c' in the quadratic equation, you can find this using the following steps:

3x^2 + 5x + 7 = 0

ax^2 + bx + c = 0<span>
a = 3
b = 5
c = 7

The correct result would be 7.</span>

5 0

4 years ago

Read 2 more answers

A meteor crater is 4000 feet in diameter. approximate the distance around the crater.

Troyanec [42]

9514 1404 393

Answer:

12,566 ft ≈ 2.38 miles

Step-by-step explanation:

The circumference of a circle is given by the formula ...

C = πd

For a diameter of 4000 ft, the circumference of a circular crater is about ...

C = (4000 ft)(3.141593) ≈ 12,566 ft

At 5280 ft per mile, that distance is about ...

(12,566 ft)/(5280 ft/mi) ≈ 2.38 mi

The distance around the crater is about 12,566 ft or 2.38 miles.

3 0

3 years ago

Melissa is helping her dad build a walkway in their backyard. The walkway will be 54 feet long and 1.5 by 1.5 feet wide. The loc

arlik [135]

54 dived by 1.5 is 36.

36 dived by 12 is 3.

You need 3 boxes.

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3 years ago

Two dice are rolled; the numbers add to 11.

Roman55 [17]

Answer:

5+6

7+4

8+3

9+2

10+1

11+0

Step-by-step explanation:

there are infinite possibiltiys

ex:

10.000000001+0.000000009

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3 years ago