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Softa [21]
3 years ago
8

Douglas is placing strings of lights around the edge of a circular patio with a diameter of 7.5 m. The lights are in lengths of

1.45 m. What is the best approximation for how many strings of lights Douglas needs? Use 3.14 to approximate for π .
Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
8 0
Circumference of circular path=pi*d^2/4
=44.156
length of light=1.45

light needed=44.156/1.45
=31 approx
KIM [24]3 years ago
8 0

Answer: Hi! The answer is 17 100% positive

can I get brainliest pls

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Mike wants to make meatloaf. His recipe uses a total of 3 pounds of meat. If he uses a 3 to 1 ratio of beef to pork, how much po
nadezda [96]
Beef to pork.....ratio 3:1....added = 4.....this is basically saying that 3/4 of the total meat is beef and 1/4 of the total meat is pork...and the total meat is 3 lbs.

3/4(3) = 9/4 = 2 1/4 lbs of beef
1/4(3) = 3/4 lbs of pork <===
8 0
3 years ago
(10 points plus 5 and brainliest)!
velikii [3]

Answer:

y = 15x + 200

Step-by-step explanation:

It should be y = 150x + 200 because if you look at the first one, 300x is too big.

You can cross out the last two.

Then you can see the second one also doesn't work.

Cross that one out.

The first choice is the only one.

8 0
3 years ago
Please help, I’ll mark who’s ever right the Brainiest
sukhopar [10]

Answer:

0; 1/4; 1/2; 1.5; 1.75 and 1 and 3/4 are the same.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
HURRY QUICK!!
antiseptic1488 [7]

After plotting all the three points, we get the parabolic equation in the form is 2(x - 1)²-34.

<h3>What is parabola?</h3>

Any point on a parabola, which has the shape of a U, is situated at an equal distance from the focus, a fixed point, and the directrix, a fixed line.

General equation of the quadratic equation,

Y = ax² + bx +c

Given points,

(-2, 0),

(-1, -10),

(4, 0).

Putting the points in the general equation,

Putting (-2, 0), we get

0 = 4a - 2b + c

Putting (-1, -10), we get

-10 = a - b +c

Putting (4, 0), we get

0 = 16a + 4b +c

Solving all equations we get,

a = 2 , b = -4 , c = -16

After putting the values,

Y = 2x²- 4x- 16

2(x² - 2x - 8)

2(x²- 2x + 1 - 1 - 16)

=2(x - 1)²-34

Hence we get the required equation in the parabolic form.

To know more about parabola, visit :

brainly.com/question/21685473

#SPJ1

5 0
1 year ago
27
White raven [17]

Answer:

d

Step-by-step explanation:

8 0
3 years ago
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