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EastWind [94]
3 years ago
13

The product of some negative number and 4 less than twice that number = 336. find the number

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0
X^2-2x-168=0(x-14)(x-12)=0x=14 or -12since we want a negative number, -12-12 -28
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Can someone please help me?
professor190 [17]

Answer:

correct 34324234324324

Step-by-step explanation:

8 0
3 years ago
To calculate the cost of painting his silo, a farmer must find its height. The farmer uses a cardboard square to line up the top
tankabanditka [31]

Answer:

Height of the silo = 18 feet.

Step-by-step explanation:

From the figure attached BC is the length of the silo and the height of the farmer is 5 ft.

Farmer is standing at 8 ft distance from the silo.

From triangle AEC,

tan(∠CAE) = \frac{CE}{AE}

                 = \frac{5}{8}

m(∠CAE) = tan^{-1}(\frac{5}{8})

               = 32°

m∠BAE = 90° - 32° = 58°

From the triangle ABE,

tan58° = \frac{BE}{AE}

BE = 8tan58°

BE = 12.8 ft

Total height of the silo = BE + EC

                                         = 12.8 + 5

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                                         ≈ 18 ft          

Therefore, total height of the silo is 18 ft.

3 0
3 years ago
The point A(–1, 4) is translated five units right and three units down. Which rule describes the translation?
Gnom [1K]

ur answer is B Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
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faltersainse [42]
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5 0
3 years ago
How too solve (2x-3y)(4x-y) by multiplying polynomials by polynomials
Alex777 [14]
(2x-3y) (4x-y)
Multiply the polynomials using distributive property.
(a+b)(c+d) = ac+ad + bc + bd
(2x-3y) (4x-y) = (2x) (4x) + (2x)(-y) + (-3y)(4x) + (-3y)(-y)
Apply plus/minus rule.
-(-a)=a and -(a)=-a
we get
=8x²-2xy-12xy+3y²
Add like terms
=8x²-14xy+3y²

Answer: 8x² - 14xy + 3y²
4 0
3 years ago
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