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Colt1911 [192]
3 years ago
5

If X = 6 cm and Y = 8 cm, what is the length of Z?

Mathematics
1 answer:
AleksAgata [21]3 years ago
3 0
Use the trick x+ y+ z =0 and 6+8+z=0,...so z= -14
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A floor is made up of 20 triangular tiles, each with sides 40 cm, 24 cm and 32 cm. Find the cost of polishing the floor at the r
pochemuha

Answer:

15360\,\,rupees

Step-by-step explanation:

Let sides of the triangle be a,b,c

a=40\,,\,b=24\,,\,c=32

Semi-perimeter (s) = \frac{a+b+c}{2}

=\frac{40+24+32}{2}\\ =\frac{96}{2}\\=48

Area of one tile =\sqrt{s(s-a)(s-b)(s-c)}

=\sqrt{48(48-40)(48-24)(48-32)}\\ =\sqrt{48(8)(24)(16)}\\ =\sqrt{147456} \\=384\,\,cm^2

So,

Area of 20 tiles =20(384)=7680\,\,cm^2

Cost of polishing the floor at the rate of 2 rupees per sq.cm = 7680(2)=15360\,\,rupees

7 0
3 years ago
Can Somebody Please Help With This?
Alexandra [31]

Answer:

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Step-by-step explanation:

A multiplier on the function value moves its y-coordinate farther from the x-axis by that multiplier value. It is the stretch factor. Stretch factors less than 1 cause the graph to be compressed vertically.

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A multiplier on the independent variable means it doesn't need to be as large to give the same function value. That is, multiplication of x by a factor of k compresses the graph horizontally by that factor of k. Equivalently, it does a horizontal stretch by a factor of 1/k.

5 0
3 years ago
What is f[g(3)] for the following function? <br> f(x) = 4x2 − 3<br><br> g(x) = 5x − 2
lukranit [14]

Answer:

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Explanation:

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solve:

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8 0
2 years ago
Read 2 more answers
True or False Plane KLM and Plane NQR are parallel planes
Nana76 [90]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
Javier jogs 3/4 of a mile in 8/1/2 minutes.
Leviafan [203]

Answer:

11 1/3 minutes per mile.

Step-by-step explanation:

3/4 miles jogged in 8 1/2 minutes.

So 1 mile jogged in: 8 1/2 divided by 3/4 = 8 1/2 x 4/3  = (17 x 4) / (2 x 3) = 11 1/3 minutes per mile

6 0
3 years ago
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