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Mariana [72]
3 years ago
5

Bases,faces,edges,and vertices?(excuse my crusty handwriting)

Mathematics
1 answer:
Flura [38]3 years ago
5 0
Faces: all the triangles and EFBCD
Edges are the what are joining the faces.
Vertices are where edges meet
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Given f(x) = − 5x + 1 , what is the value of f(5.5)
LUCKY_DIMON [66]

Answer:

f(5.5) = -26.5

Step-by-step explanation:

f(5.5) = -5x+1

f(5.5) = -5(5.5) +1

f(5.5) = -26.5

3 0
3 years ago
Complete the square to rewrite y = x^2 + 6x + 3 in vertex form. Then state whether the vertex is a maximum or a minimum and give
bixtya [17]

Answer:

Let's complete the square first.

y = x² + 6x + 3

  = (x² + 6x + 9) - 6

  = (x + 3)² - 6

Therefore, the vertex is (-3, -6) and since the coefficient of (x + 3)² is positive, the vertex is a minimum.

4 0
2 years ago
Read 2 more answers
Suppose that two people standing 2 miles apart both see the burst from a fireworks display. After a period of​ time, the first p
Usimov [2.4K]

Answer: approximately 5148 feet directly north of point A

This is equivalent to 0.975 miles

==============================================================

Explanation:

Check out figure 1 (attached image below) to see how the drawing is set up.

Points A and B are separated by 2 miles, or 10560 feet. Use the conversion factor 1 mile = 5280 feet.

Because sound travels at roughly 1100 feet per second (assuming all of the conditions are right), this means that after x seconds, the sound wave has traveled a total distance of 1100x feet. This is the distance from A to C. Point C is the firework location.

The distance from B to C is 1100(x+6) feet because it takes 6 more seconds for the soundwave to travel from C to B, compared from C to A.

Note that triangle ABC is a right triangle. The 90 degree angle is at point A.

We can use the pythagorean theorem to solve for x

See figure 2 in the attached images to see the steps on solving for x. The numbers get quite big, though in the end x is fairly small. We end up with x = 4.68, which is approximate due to the 1100 figure being approximate.

This means the sound wave takes about 4.68 seconds to go from point C to point A.

With this x value, we can compute the expression 1100x to get

1100*x = 1100*4.68 = 5,148 feet

To convert this to miles, divide by 5280

(5148)/(5280) = 0.975

Therefore,

5148 feet = 0.975 miles

6 0
3 years ago
PLEASE RESPOND! !!
cestrela7 [59]

Answer:

36/132

Step-by-step explanation:

36/132, .27, 27%...

6 0
3 years ago
On the first day of the year, you have $700 in your bank account. You spend $35 per week. Your friend starts the year with $450
Alex_Xolod [135]

Answer is 5 weeks....

xoxo -Ella

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3 years ago
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