4 years ago

What is the measure of the angle between a perpendicular bisector and the segment it is bisecting? A. 180° B. 90° C. 45° D. 0°

1 answer:

6 0

If something is perpendicular to something else, it intersects it at 90 degrees. So, it there is a bisector perpendicularly bisecting a segment, it means they are crossing at a 90 degree angle. Your answer should be B.

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In Ms.Williams class, 60% of the students are boys. There are 18 boys in the class. ha is the total number of students in Ms.Wil

aalyn [17]

Answer:

The total amount of students in the class would be 30. The total amount of girls would be 12.

Step-by-step explanation:

60% * x = 18

(60/100) * x = 18

6x/10 = 186x = 18 * 10

6x = 180x = 180/6 = 30

The total number of students in the class is 30.

Number of girls in the class = 30 - 18 = 12

So there are 12 girls in the class.

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4 years ago

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What is the value of (5.3 times 10 Superscript 4 Baseline) (4.2 times 10 Superscript 3) in scientific notation?

katovenus [111]

Answer:

$2.226X 10^8$

Step-by-step explanation:

We are to determine the value of $(5.3 X 10^4) (4.2 X 10 ^ 3)$ in scientific notation.

Given:

$(5.3 X 10^4) (4.2 X 10 ^ 3)$

STEP 1: Remove the brackets.

$(5.3 X 10^4) (4.2 X 10 ^ 3)=5.3 X 10^4X4.2 X 10 ^ 3$

STEP 2: Separate the numbers and index of 10.

$=5.3 X4.2X 10^4 X 10 ^ 3$

STEP 3: Multiply the Numbers and Index of 10

$=22.26X 10^{4+3}$

STEP 4: Simplify and write in Scientific notation

$22.26=2.226X10\\Therefore:\\22.26X 10^{4+3}=2.226X10X 10^{4+3}=2.226X10X 10^7=2.226X 10^8$

Thus:

$(5.3 X 10^4) (4.2 X 10 ^ 3)=2.226X 10^8$ in scientific notation

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3 years ago

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If this net were to be folded into a cube, which number would be opposite of the number 1?

horrorfan [7]

Answer: 6

Step-by-step explanation:

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1) 6x² - 6x² factor completely

erik [133]

They take out each other

Answer = 0

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Express 3*3*3*5*5 using exponents

-Dominant- [34]

3^3 X 5^3

3 is multiplied three times
5 is multiplied twice.

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4 years ago

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