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2 years ago

Which is greater 3.65x10-8 or 3.65x10-7

Mathematics

2 answers:

andrezito [222]2 years ago

6 0

Answer:

3.65-10-7

Step-by-step explanation:

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Mice21 [21]2 years ago

3 0

Answer:

the second one is your answer

Step-by-step explanation:

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Given circle X with radius 10 units and chord AB with length 12 units, what is the length of segment CX, which bisects the chord

andrew-mc [135]

Consider the circle with center X, as shown in the figure.

Draw the diameter of the circle which is parallel to cherd AB, as shown in the figure.

Since the diameter and AB are parallel, then the line segment XC which bisects AB at C, will be perpendicular to AB.

SO triangle XCB is a right triangle. Thus the length of CX, by the Pythagorean theorem is

$\sqrt{ XB^{2}- CB^{2}} = \sqrt{ 10^{2}- CB^{6}}= \sqrt{100-36}= \sqrt{64}=8$ units.

Answer: 8 units

7 0

3 years ago

Solve this plsssssss

Naddik [55]

Answer:

On the x-axis, plot to the left at -4.

From the point -4, go up 1 and to the LEFT 2.

When you draw yours line, it is a dashed line so leave a little space in it.

Then you should shade above the line.

4 0

2 years ago

What is the area of this question.

frez [133]

The area of a circle is \pi r^2, where r is the radius of the circle. The diameter of a circle is the length of a line that passes through the center of the circle and stops at the perimeter of circle. The radius of a circle is half the diameter. Divide the diameter by 2 to find the radius.
1. 2.8 m / 2 = 1.4 m
2 . $\pi (1.2m)^2$ : Plug in the value we just found for r.
3. $\pi 1.44m^2$ : Use the order of operations (PEMDAS).
4. $\pi * 1.44m^2 = ~4.52 m^2$
The area of the circle is equal to $4.52 m^2.$

7 0

2 years ago

Last year, Ahmad opened an investment account with $5400. At the end of the year, the amount in the account had increased by 7.5

zheka24 [161]

Answer:

Step-by-step explanation:

The increase was

5400(0.075)=$405

The money in the account was

5400+405=$5805

4 0

2 years ago

Pleaseee Help. What is the value of x in this simplified expression?

Oduvanchick [21]

9514 1404 393

Answer:

x = 7

y = 5

Step-by-step explanation:

The applicable rule of exponents is ...

a^-b = 1/a^b

For a=-j and b=7,

(-j)^-7 = 1/(-j)^7 ⇒ x = 7

For a=k and b=-5,

k^-5 = 1/k^5 ⇒ y = 5

7 0

2 years ago