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Mrrafil [7]
3 years ago
12

ABCD is a rectangle if AC= 5x+2 and BD= x+22 find the value of x

Mathematics
1 answer:
Stells [14]3 years ago
3 0
So hmm notice the picture below

in a rectangle, all angles are 90°, and the diagonals are equal

thus AC = BD or 5x + 2 = x + 22  <--- solve for "x"

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An elephant can eat 450 pounds of vegetation per day.how long will a 3600-pound supply of vegetation last the elephant?
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So if they eat 450 lb a day and you have a 3600 lb supply you simply divide 3600 by 450.

3600/450=8 days

so your final answer is 8 days.

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Lithium has 3 protons. how many neutrons are in the isotope lithium-8?
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From a boat on the lake, the angle of elevation to the top of a cliff is 26°1'. If the base of the cliff is 205 feet from the bo
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8 0
2 years ago
In 1980,in Great Falls, Montana, temperature rose from -32 Fahrenheit to 15 Fahrenheit in seven minutes.How much did the tempera
masya89 [10]
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3 0
3 years ago
A firm offers routine physical examinations as part of a health service program for its employees. The exams showed that 8% of t
oee [108]

Answer:

The Probability = 0.20

Step-by-step explanation:

From the question stated, the first step to take is to find probability that an employee selected at random will need either eyeglasses or major dental work

Solution

Given

Now,

The exams showed tha the number of employees needed eyeglasses = 8%

Employees that needed major dental work = 15%

Employees that needed  both eyeglasses and major dental work =3%

Thus,

The P(needed eyeglasses ) = 8% = 0.08

P(major dental work) = 15% = 0.15

P(eye glasses  and major dental work) = 3% = 0.03

The probability that an employee selected at random will need either eyeglasses or major dental work is  given as

= P(eye glasses ) + P(major dental work) - P(eyeglasses and major dental work)

= 0.08 + 0.15 - 0.03 = 0.20

Therefore the Probability = 0.20

5 0
3 years ago
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