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insens350 [35]
3 years ago
13

A triangle has height 15 in. And area 120 in2. what is length of its base

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

"Be the change that you seek." Make today great!


Novosadov [1.4K]3 years ago
4 0
Working out is in picture

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The base of an isosceles triangle is one and a half times the length of the other two sides.A smaller triangle has a perimeter t
Anna11 [10]

Answer:

Perimeter of the smaller triangle = 1.75x

Step-by-step explanation:

Let the two equal sides of an isosceles triangle = x

Therefore, length of the base = (1\frac{1}{2})x

Perimeter of this isosceles triangle = x + x + (1\frac{1}{2})x

                                                          = 2x + (1+\frac{1}{2})x

                                                          = 2x + x + \frac{x}{2}

                                                          = \frac{5x}{2}

Since, smaller triangle has a perimeter that is half the perimeter of the larger triangle,

Length of each corresponding side of smaller triangle will be half of the larger triangle.

Length of sides of the smaller triangle = \frac{x}{2},\frac{x}{2},(1\frac{1}{2})\frac{x}{2}

Perimeter of the smaller triangle = \frac{x}{2}+\frac{x}{2}+(1\frac{1}{2})\frac{x}{2}

                                                      = x + \frac{x}{2}+\frac{x}{4}

                                                      = \frac{3}{2}x+\frac{x}{4}

                                                      = \frac{6}{4}x+\frac{x}{4}

                                                      = \frac{7}{4}x

                                                      = 1.75x

Therefore, expression that represents the perimeter of the smaller triangle is (1.75x)        

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Michael cycled a distance of 12 5/6 miles in 2/3 hours. What is his cycling unit rate in miles per hour?
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19 1/2 miles per hour
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Ryan loves collecting keychains from his family vacations. He currently has 15 keychains in his collection and wants to add 5 ke
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Answer:

rhtwjeukeyn3um3neh kedagjehkehjfq wy

Step-by-step explanation:

Cnameumag ga nhsntw ts at Arby's at ta ag fa at wy

7 0
3 years ago
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Which is the graph of x – y = 1?
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Answer:

its the second graph

Step-by-step explanation:

you could use this website to find out graph

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5 0
3 years ago
Express $7.45 for 2.5 pounds of round steak as a unit rate. Show your work.
MrRissso [65]

Answer:

unit rate: $7.45/2.5 lbs of steak

--------------------------------

reduced:

7.45 dollars /2.5 pounds

GCF=0.5

7.45/0.5=14.9$

2.5/0.5=5

unit rate:

$14.9/5 pounds

Step-by-step explanation:

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