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nadezda [96]
3 years ago
12

A landscaper will install a sprinkler system for a client and has shown on a coordinate grid the location of the main water line

for the system. The line will run from point S(a, −4) to point E(29, b).
Which expression represents the shortest distance between points S and E?


(a+4)2 + (29−b)2(a+4)2 + (29−b)2

(a+4)2 + (29−b)2−−−−−−−−−−−−−−−−−√(a+4)2 + (29−b)2−−−−−−−−−−−−−−−−−√

(29−a)2 + (b+4)2−−−−−−−−−−−−−−−−−√
Mathematics
1 answer:
Fed [463]3 years ago
4 0

Answer:

3rd option

Step-by-step explanation:

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Ghella [55]
3x + 8 = 3x + []

Subtract 3x from both sides.

[] = 8

If you want no values of x, it can be any positive value other than 8.
If you want all values of x, the value must be 8.
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4 0
3 years ago
There are two non congruent triangles where B=55 degrees a=15 and b=13. Find the measures of the angles of the triangle with the
liq [111]

Answer:

The side c needs to be 12.85 for the triangle to have greatest perimeter

Step-by-step explanation:

We are given;

b = 13

a = 15

Angle at b: B = 55°

Let's find side c.

Using the law of cosines,we have;

b² = a² + c² - 2ac•cos(B)

13² = 15² + c² - 2•15•c•cos(55)

169 = 225 + c² - 30c•cos(55)

c² - 30c•cos(55) + 225 - 169 = 0

c² - 30c•cos(55) + 56 = 0

c² - 30c•(0.5736) + 56 = 0

c² - 30c•(0.5736) + 56 = 0

c² - 17.208c + 56 = 0

Using quadratic formula;

c = [-(-17.208) ± √((-17.208)² - (4•1•56)]/2(1)

c = [17.208 ± √(296.115 - 224)]/2

c = 8.604 ± 4.246

To have the greater perimeter, we need the larger value of c, thus we will use the positive sign and ignore the negative one ;

Thus,

c = 8.604 + 4.246 = 12.85

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How is a one-degree angle helpful classifying angles?
faltersainse [42]
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dedylja [7]

Answer:

c

Step-by-step explanation:

length times width times height so 4 times 5 times 7 equals 140

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3 years ago
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