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3 years ago

Consider the following system of equations.

1 answer:

6 0

Y = 6x - 6 therefore y - 6x = -6
y - 6x = 5
so:
-6 ≠ 5
There is no solution to this system.
==========================
$\left \{ {{y=6x-6} \atop {y-6x=5}} \right. \\ \left \{ {{6x-y=6} \atop {-6x+y=5 }} \right. \\ 0 \neq 11$

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Let l be the length of a diagonal of a rectangle whose sides have lengths x and y, and assume that x and y vary with time. If x

meriva

The rate of change of the size of the diagonal is; 25.2 ft/s

By Pythagoras theorem;

The length, l of a diagonal of a rectangle whose sides have lengths x and y is;

l² = x² + y².

In essence; the length of the diagonal is dependent on the length, x and y of the sides.

Therefore;

(dl/dt)² = (dx/dt)² + (dy/dt)²

where;

(dx/dt) = 19 ft/s
(dy/dt) = -15 ft/s

Therefore,

(dl/dt)² = 19² + (-15)²

(dl/dt)² = 361 + 225

dl/dt = √586

dl/dt = 25.2

Therefore, the size of the diagonal is changing at a rate of; 25.2 ft/s.

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4 0

2 years ago

Can some one help me

il63 [147K]

Answer:

5/6

Step-by-step explanation:

Dividing fractions:

Step 1: Rewrite the first fraction as it is.

Step 2: Replace the division sign with a multiplication sign.

Step 3: Flip the second fraction.

Step 4: Multiply the fractions and reduce the product if necessary.

Let's use the rule of dividing fractions on your problem.

Step 1: Rewrite the first fraction as it is.

$\dfrac{5}{8}$

Step 2: Replace the division sign with a multiplication sign.

$\dfrac{5}{8} \times$

Step 3: Flip the second fraction.

$\dfrac{5}{8} \times \dfrac{4}{3}$

Step 4: Multiply the fractions and reduce the product if necessary.

To multiply fractions, multiply the numerators together, and multiply the denominators together.

$\dfrac{5}{8} \times \dfrac{4}{3} = \dfrac{5 \times 4}{8 \times 3} = \dfrac{20}{24}$

We notice that the greatest common factor of 20 and 24 is 4, so we divide both the numerator and denominator by 4 to reduce the fraction.

$= \dfrac{4 \times 5}{4 \times 6} = \dfrac{5}{6}$

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3 years ago

X+40+4x-5=6x+20 can I get some help with this problem please and thanks.

laila [671]

Answer:

the answer is c=−1/20x+7/4

Step-by-step explanation:

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3 years ago

Construct the triangle ABC using as coordinates of its vertices points A(−3, 0), B(4, 5),

Mekhanik [1.2K]

The answer would be (0,2) because as shown in the graph ab crosses the y-axis at (0,2)

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3 years ago

in mathematics competition,the winner won $100 more than twice the amount won by the runner-up. how much money did the runner-up

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Answer:

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I only halfed it.

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3 years ago

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