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2 years ago

100 points

Mathematics

1 answer:

iragen [17]2 years ago

3 0

Student A is wrong and Student B is correct.

How?

Direction is saying to construct a line that passes through C
The last step is enough to describe that A is wrong.
Its saying to swing an arc(Should be line).
On the other hand Student B has done correct
By passing point through C and G it satisfies our required construction.

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The fourth term of an AP is 13 and the second term is 3 find the common difference<br><br>

kogti [31]

Answer:

Step-by-step explanation:

<h3>Given</h3>

a4 = 13
a2 = 3
d = ?

<h3>Solution</h3>

<u>Formula for the terms of AP:</u>

a4 = a + 3d
a2 = a + d

<u>The difference of terms:</u>

a + 3d - (a - d) = 13 - 3
2d = 10
d = 5

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3 years ago

9×2=2×9 what is the property of this problem?

AlladinOne [14]

Answer:

reflection i think

Step-by-step explanation:

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3 years ago

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Stacked cups are to be placed in a pantry. one cup is 3.25 in high

olasank [31]

Whats the rest of the question?

6 0

3 years ago

Find the value for x? X-5+5x-12=25

levacccp [35]

X-5+5x-12=25
x+5x=25+5+12
6x=42
x=42/6
x=7

5 0

3 years ago

PLEASE HELPP !! The ceiling of Stacy's living room is a square that is 25 ft long on each side. Stacy knows the diagonal of the

EleoNora [17]

Answer:

a) d = 36 ft. ( using Pithagoras´theorem )

b) d = 36 ft ( Using ( function sin ) trigonometry

Step-by-step explanation:

a) Using Pythagoras´Theorem:

Diagonal (d) is the hypothenuse of a right triangle of side 25 feet, and according to Pythagoras´Theorem in a right triangle.

d² = a² + b²

In this particular case a = b = 25 feet then

d² = (25)² + ( 25)²

d = √ 2 * (25)²

d = √2 * 25

d = 1,414*25

d = 35,35

d = 36 ft.

b) Using trigonometry:

We know that sin 45° = cos 45° = √2 / 2

In a right triangle

sin α = opposite side / hypothenuse (d)

sin 45° = √2 / 2 = 25/ d

√2 *d = 2* 25

d = 50/√2

d = 50 / 1,414

d = 35,36

d = 36 ft

6 0

3 years ago