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Elan Coil [88]
3 years ago
14

A company logo is shaped like an equilateral triangle with 3-inch long sides. What is the height of the logo? Round to the neare

st tenth.

Mathematics
1 answer:
Keith_Richards [23]3 years ago
5 0

Answer:

about 2.6 in.

Step-by-step explanation:

h=\frac{s\sqrt{3}}{2}\\\\h=\frac{3\sqrt{3}}{2}\\\\\frac{3\sqrt{3}}{2}\approx2.6\\\\h\approx2.6

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Triangle ABC has vertices A(0, 2), B(x, 0), and C(0, -2). Determine the value of x that makes triangle ABC a regular triangle.
Jobisdone [24]

Answer:

x =  \sqrt{12 }  = 2 \sqrt{3}  \: or \\ x =   -  \sqrt{12}  =  - 2 \sqrt{3}

Step-by-step explanation:

In order for the triangle to be a right one we need every side to be of the same length. see the photo for furyher explanation.

5 0
3 years ago
One-half (1/2) hour equals______________.
ozzi

1 hour = 60 minutes = 3600 seconds = 1/24 day

Divide every number above by 2 to get 1/2 hour and its equivalent numbers.

1/2 hour = 30 minutes = 1800 seconds = 1/12 day

5 0
3 years ago
Read 2 more answers
Two similar cylinders have volumes of 480cm3 and 60cm3.
ehidna [41]

Answer:

a,480 over 60=80cm3

b,(c over 24)the whole cubed=480 over 60

c*60=24*480

c=11520/60

=192

6 0
4 years ago
(2x+3)²=5.find the roots of the equation ​
bija089 [108]

Answer:

-2.61803398875, -0.38196601125

or

(-3±√5)/2

Step-by-step explanation:

First, expand. (2x+3)² = 4x²+12x+9=5

4x²+12x+4 = 0

Quadratic equations take the form ax²+bx+c = 0

In this case,

a = 4

b = 12

c = 4

You can solve with the equation x=(-b±√b²-4ac)/2a

Plug in:

(-12±√144-64)/8

(-12±√80)/8

(-12±√2^4×5)/8

(-12±4√5)/8

(-3±√5)/2

Final answer x = (-3±√5)/2

If you want decimal form: -2.61803398875, -0.38196601125

4 0
2 years ago
Help me please!! The next model of a sports car will cost 12.2% less than the current model. The current model costs $34,000. Ho
andrey2020 [161]

Answer:

the price will decrease by 4148

the price of the next model will be 29852

7 0
3 years ago
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