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e-lub [12.9K]
3 years ago
8

Express 2750389 in a scientific notation???

Mathematics
1 answer:
Maru [420]3 years ago
7 0
<span>2,750,389 can be expressed as 2.750389 x 10^6. Hope it helps</span>
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The cone shown has a diameter of 8 centimeters and a slant height of 5 centimeters. Which choice is closest to the total surface
Nostrana [21]
The formula for finding the surface area of a cone using the slant height is:
SA = pi * r * l + pi * r^2
where SA stands for surface area, r stands for radius, and l stands for slant height
Therefore, we can simply plug in all of the given values into the formula to get our answer.

The equation we would solve would be:

SA = 3.14*4*5+3.14*4^2

This gives us 113.04
The answer that is closest to this would be 113

Therefore, the answer is 113

Hope this helped!!C:D
4 0
3 years ago
Read 2 more answers
Form simultaneous equations and solved using only one method.
kolbaska11 [484]

Answer:

48

Step-by-step explanation:

48

Let the tens digit be x.

Hence, the units digit will be 2x

Number =10×(x)+(2x)=12x

When 36 is added to the number, the new number formed =12x+36

As the digits are reversed, we can also write the new number as 10×(2x)+x=21x

Hence,

12x+36=10×(2x)+x

⇒12x+36=21x

⇒21x−12x=36

⇒9x=36

⇒x=4

Hence, the original number =12x=12×4=48

3 0
3 years ago
Read 2 more answers
Please help!
miv72 [106K]

Answer:

Option A. 2\ m^{2}

Step-by-step explanation:

we know that

The resulting two-dimensional cross-section is a rectangle

The area of rectangle is equal to

A=bh=1*2=2\ m^{2}

6 0
4 years ago
This is a sketch of the curve with equation y = f(x).
Galina-37 [17]

Answer:

Below in bold.

Step-by-step explanation:

a) the curve moves up 5 units, so

the vertex is (2, -3 + 5)

= (2, 2).

b) - f(x) is the image of f(x) in the x-axis so

The vertex is at (2, 3).

4 0
2 years ago
Use the distance formula to determine the distance between (-8,10) and (-6,7)
hjlf

Answer:

Distance: \sqrt{13} units

Step-by-step explanation:

The distance formula is d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} where:

  • d is the distance between points (x_1,y_1) and (x_2,y_2)
  • (x_1,y_1) are the coordinates of the first point
  • (x_2,y_2) are the coordinates of the second point

We are given that:

  • (x_1,y_1)=(-8,10)
  • (x_2,y_2)=(-6,7)

To determine the value of our distance, d, we plug in our given information into the formula and solve for

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

d=\sqrt{(-6-(-8))^2+(7-10)^2}

d=\sqrt{(-6+8)^2+(-3)^2}

d=\sqrt{(2)^2+(-3)^2}

d=\sqrt{4+9}

d=\sqrt{13}

Therefore, the distance between (-8,10) and (-6,7) is \sqrt{13} units.

See the attached graph for a visual.

5 0
3 years ago
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