3 years ago

Five of the quotient of a number

Mathematics

1 answer:

ipn [44]3 years ago

3 0

Answer:

u wont get any answers quick on here anymore

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3. In the figure below, E is on AD and C is on BD. The dimensions given are in meters. What is the length, in meters, of CD?

damaskus [11]

Answer:

C. 3,960

Step-by-step explanation:

∆ADB ~ ∆EDC. Therefore,

$\frac{AB}{EC} = \frac{DB}{DC}$

$\frac{2,000}{1,200} = \frac{2,640 + x}{x}$ (substitution)

Solve for x

$\frac{5}{3} = \frac{2,640 + x}{x}$

Cross multiply

$5*x = 3(2,640 + x)$

$5x = 7,920 + 3x$

5x - 3x = 7,920

2x = 7,920

x = 7,920/2

x = 3,960 meters

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2 years ago

Use the discriminant to determine the number and type of solutions the equation has.

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$x^2 + 8x + 12 = 0\\ \\a=1 , b= 8, c= 12 \\ \\ \Delta =b^2-4ac = 8^2 -4\cdot1\cdot12= 64-48= 16\\ \\\Delta > 0 \\ \\ Answer : \ C. \ \ two \ rational \ solutions$

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3 years ago

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Which graph best represents a kitten's weight for the first two years after birth if, from birth to 2 years old, its weight incr

elena-14-01-66 [18.8K]

Answer:

the answer would be B

Step-by-step explanation:

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3 years ago

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ILL GIVE YOU BRAINLIEST (SMART MATH PERSON!)

MariettaO [177]

Answer:

A - (2a+0)/2 ; (2b+0)/2 = ( a , b )

B - (-2a+0)/2 ; (2b+0)/2 = ( - a, b )

C - (-2a+0)/2 ; ( -2b+0)/2 = ( - a, - b )

D - (2 a+0)/2 ; (-2b+0)/2 = ( a , - b )

Step-by-step explanation:

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3 years ago

Hi.

andreev551 [17]

Answer:

Step-by-step explanation:

40 + 5 × 5

40 + 25

Note: I also come from another country •-•

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3 years ago

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