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castortr0y [4]
3 years ago
10

(-4) * (-4) * (-4) in exponential form will be ???​

Mathematics
1 answer:
algol133 years ago
4 0

Answer:

The would -4 to the exponent of 3

4^3

Step-by-step explanation:

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A cylindrical roller 2.5 m in length, 1.5 m in radius when rolled on a road was found to cover the area of 16500 m2 . How many r
eduard

Answer:

701 revolutions

Step-by-step explanation:

Given: Length= 2.5 m

            Radius= 1.5 m

            Area covered by roller= 16500 m²

Now, finding the Lateral surface area of cylinder to know area covered by roller in one revolution of cylindrical roller.

Remember; Lateral surface area of an object is the measurement of the area of all sides excluding area of base and its top.

Formula; Lateral surface area of cylinder= 2\pi rh

Considering, π= 3.14

⇒ lateral surface area of cylinder= 2\times 3.14\times 1.5\times 2.5

⇒ lateral surface area of cylinder= 23.55 \ m^{2}

∴ Area covered by cylindrical roller in one revolution is 23.55 m²

Next finding total number of revolution to cover 16500 m² area.

Total number of revolution= \frac{16500}{23.55} = 700.6369 \approx 701

Hence, Cyindrical roller make 701 revolution to cover 16500 m² area.

8 0
3 years ago
3. Can you add areas together?
vesna_86 [32]
I'm pretty sure you can.
3 0
3 years ago
In June, Sara sold 70% of her products in market fairs, and she sold the rest of her products via her website. She sold 120 prod
nydimaria [60]

Answer:

84 products

Step-by-step explanation:

3 0
2 years ago
The cost of 4 belts and 5 ties is $247. Each time costs 3 times as much as a belt. What us the total cost of 1 belt and 1 tie
Makovka662 [10]

Answer:

The total cost of 1 belt and 1 tie is $13 and $39 respectively.

Step-by-step explanation:

Given that,

The cost of 4 belts and 5 ties is $247.

Each tie costs 3 times as much as a belt.

Let the cost of a belt is x and that of a tie is y.

ATQ,

4x + 5y = 247 ...(1)

y = 3x ....(2)

Put the value of y from equation (2) in equation (1)

4x + 5(3x) = 247

4x + 15x = 247

19x = 247

x = 13

Put the value in equation (2)

y = 3x

= 3(13)

= 39

So, the total cost of 1 belt and 1 tie is $13 and $39 respectively.

5 0
3 years ago
EMERGENCY PLEASE HELP!!
Alexxx [7]

Answer:

-50x + 600 = 250

Step-by-step explanation:

10x + 60(10-x) = 250

10x + 600 - 60x = 250

-50x + 600 = 250

4 0
3 years ago
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