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d1i1m1o1n [39]
3 years ago
7

4x+20=3x solve for x

Mathematics
2 answers:
olchik [2.2K]3 years ago
8 0

Answer:

x= -20 hope that helps

Step-by-step explanation:

stiv31 [10]3 years ago
5 0

Answer:

x= -20

Step-by-step explanation:

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2. The area of the rectangle shown is 375 square centimeters,
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Answer:

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Step-by-step explanation:

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Original Equation:

A = l x h

New Equation:

A/l = h

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Archimedes knew that at 8 am the sunlight reaches the ground at an angle if 43 degrees. The rock besides him is 7 meters tall. H
Alenkasestr [34]

Answer:

Distance between Archimedes and the rock = 7.51 m ≅

Step-by-step explanation:

The sunlight makes an angle of depression of 43 degrees

Hence angle between the rock and the sunlight rays is = 90-43=47 degrees

Distance between Archimedes and the rock = Tan 47 = X/7

X = 7 tan 47 = 7.506580970172 = 7.51m ≅

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3 years ago
Find a polynomial f(x) of degree 3 that has the following zeros.
Thepotemich [5.8K]

Answer:

f (x) = x (x + 5) (x-9)

Step-by-step explanation:

The zeros of the polynomial are all the values of x for which the function f (x) = 0

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x = 9,\  x-9 =0

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Now we can write the polynomial as a product of its factors

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Note that the polynomial is of degree 3 because the greatest exponent of the variable x that results from multiplying the factors of f (x) is 3

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3 years ago
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