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3 years ago

Convert 65,000,000 to scientific notation please help!!

1 answer:

3 0

You have to move the decimal point from the end to between the 6 and 5 then count how many spaces you moved it because this will become the power on the 10.
6.5 x 10^7

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What is the equation of a circle that has a center at (-4, 10) and a radius of 8?

mars1129 [50]

Answer:

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center $(x_0,y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

Center at (-4, 10)

This means that $x_0 = -4, y_0 = 10$ .

Radius of 8:

This means that $r = 8$ . So

$(x - x_0)^2 + (y - y_0)^2 = r^2$

$(x - (-4))^2 + (y - 10)^2 = 8^2$

$(x + 4)^2 + (y - 10)^2 = 64$

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

3 0

3 years ago

You estimated that there are 18 cats in the neighborhood, but after counting the actual amount was 9 cats. What is the percent e

Setler [38]

Answer:

50% error

Step-by-step explanation:

9/18=0.5

8 0

2 years ago

URGENT PLEASE HELP ME WITH THIS MATH QUESTION Should

Radda [10]

Answer:

A composition of transformations is a combination of two or more transformations.A composition of reflections over parallel lines has the same effect as a translation (twice the distance between the parallel lines.

Step-by-step explanation:

4 0

3 years ago

Write the fact family for 5,8,and 40

Juli2301 [7.4K]

A fact family is basically just different equations with the same numbers getting the same/different numbers as answers you might say...
this will make more sense:
5x8=40
8x5=40
40/8=5
40/5=8

4 0

2 years ago

There are 3 feet in each yard. Complete the table to show the number of feet in 1, 2, 3, and 4 yards.

MariettaO [177]

Answer:

1 yard = 3 feet

2 yard = 6 feet

3 yard = 9 feet

4 yard = 12 feet

7 0

2 years ago

Read 2 more answers