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3 years ago

What numbers will i multiply to get 126 and add to get 2

Mathematics

1 answer:

nekit [7.7K]3 years ago

5 0

No two numbers will work for this.

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Write 10 5/12 as an equivalent improper fraction.

allochka39001 [22]

125/12 would be your equivalent improper fraction

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A ferry departs from a port along the Sands River at 10:00 am. The ferry travels at a speed of 15 mph in still water and returns

jek_recluse [69]

Answer:

Speed of river's current = 5 mph

Step-by-step explanation:

Let 'd' be the distance covered

Let x be the speed of the rivers current

Speed upstream = 15-x

speed downstream = 15+x

Time = distance / speed

time upstream = $\frac{d}{15-x}$

time downstream = $\frac{d}{15+x}$

the ferry trip upstream takes twice as long as its return trip downstream

$\frac{d}{15-x}$ = $\frac{2d}{15+x}$

divide both sides by d

$\frac{1}{15-x}$ = $\frac{2}{15+x}$

cross multiply

$15+x= 2(15-x)$

$15+x= 30-2x$

Add 2x on both sideds

$15+3x= 30$

subtract 15 from both sides and divide by 3

$3x=15$

x=5

Speed of river's current = 5 mph

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3 years ago

I am not sure of the answers

astra-53 [7]

Answer: 2 3/4 as an improper fraction would be B. 11/4

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What are the zeros of the polynomial function f(x)=x(x-4)(x+9)? HELP NEEDED!!!!

Kipish [7]

Answer: 0, 4, -9

Set the equation equal to zero.

x(x - 4)(x + 9) = 0

Solve for x by setting each factor equal to zero.

The factors in the equation are x, (x - 4), and (x + 9).

x = 0

(x - 4) = 0

x = 4

(x + 9) = 0

x = -9

The zeros of the function are 0, 4, and -9.

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3 years ago

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Rina8888 [55]

Step-by-step explanation:

$|x| \geqslant 1.5$

Or basically,

$x \geqslant 1.5$

$x \leqslant - 1.5$

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2 years ago

What numbers will i multiply to get 126 and add to get 2​

What numbers will i multiply to get 126 and add to get 2