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Anarel [89]
2 years ago
9

Sam is designing a fence post for his yard. He will need to construct a perpendicular line through the point above the line to m

ake sure the fence post is perpendicular to the ground. Which step should Sam do first to ensure that the fence post model is perpendicular to the ground in the diagram?
A. Place the compass at the point off the ground, and swing an arc on either side of the point.

B. Place the compass at the point off the ground, and swing arcs above and below the ground.

C. Place the compass at the point off the ground, and swing an arc that intersects the ground in one place.

D. Place the compass at the point off the ground, and swing an arc that intersects the ground in two places.
Mathematics
2 answers:
uranmaximum [27]2 years ago
7 0

Answer:

its D place the compass at the point off the ground and swing an arc that intersects the ground in one place

Step-by-step explanation:

Margaret [11]2 years ago
6 0

Answer:

Step-by-step explanation:

D is correct.  The idea here is to ensure that the point on the post is equidistant from the bottom of the post (where it meets the ground), which in turn ensures that the angle between ground and post is 90° in at least two places on the ground.

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Raymond can paint 5/8 of a wall in 16minutes. How long would it take him to paint 1/3 of a wall?
givi [52]

Answer:

128/15 min or 8.5 min

Step-by-step explanation:

By using unitary method,

Time required to paint 5/8 of wall = 16 min.

Time required to paint 1/1 of wall = 16×8/5

Hence, Time required to paint 1/3 of wall = 16×8/5×1/3

4 0
2 years ago
Find the length of the segment indicated. Round your answer to the nearest tenth if necessary.
Elena-2011 [213]

<u>Given</u>:

The length of the segment of the chord DB is 8.2 units.

The length of the segment AB is 6.9 units.

The length of the radius AC be x units.

We need to determine the value of x.

<u>Length of BC:</u>

Since, we know the property that, "if a radius is perpendicular to the chord, then it bisects the chord".

Thus, applying the above property, we have;

DB ≅ BC

8.2 = BC

Thus, the length of BC is 8.2 units.

<u>Value of x:</u>

Since, ∠B makes 90°, let us apply the Pythagorean theorem to determine the value of x.

Thus, we have;

AC^2=AB^2+BC^2

Substituting the values, we have;

x^2=6.9^2+8.2^2

x^2=47.61+67.24

x^{2} =114.85

x=10.7

Thus, the value of x is 10.7 units.

Hence, Option A is the correct answer.

4 0
2 years ago
Choose any positive integer. Powers of two here are not very interesting, so choose something else. If the number you have chose
Yakvenalex [24]

Answer:

Step-by-step explanation:

Let the integer be 6 for even and 7 for odd (say)

For 6, we divide by 2, now get 3.  Now we multiply by 3 and add 1 to get 10. Now since 10 is even divide by 5, now multiply by 3 and add 1 to get 16.  Now divide by 2 again by 2 again by 2 again by 2 till we get rid of even numbers.

The result is 1, so multiply by 3 and add 1 we get 4 now divide 2 times by 2 to get 1, thus this result now again repeats after 2 times.

Say if we select off number 3, multiply by 3 and add 1 to get 10 now divide by 5, now repeat the same process as above for 5 until we get 1 and it gets repeated every third time.

Thus whether odd or even after some processes, we get 1 and the process again and again returns to 1.

5 0
2 years ago
A home’s value increases at an average rate of 5.5% each year. The current value is $120,000. What function can be used to find
lyudmila [28]

<u>Answer:</u>

f(x)=120000 \times (1.055)^{x}

<u>Step-by-step explanation:</u>

We are given that the present value for the home is $120,000 and the rate of interest is 5.5% i.e. 0.055.

We will use the following formula:

f(x)=P \times (1+r)^{x}

where P is the present value, r is the rate of interest and x is the number of years.

Substituting the values in the above formula to get:

f(x)=120000 \times (1+0.055)^{x}

f ( x ) = 120000 \times ( 1.055 ) ^ { x }

8 0
2 years ago
Read 2 more answers
Adele also must choose between leather or cloth seats for her vehicle. Leather seats come in three color choices; brown, black,
Marina86 [1]
So we have
2 choices for cloth
3 choices for leather
2 choices for cloth

we have to multiply each individually
we just add them
3 leather+2 cloth=5 choices

she is wrong
because the asnwer is 5
9 0
2 years ago
Read 3 more answers
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