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2 years ago

11

It takes Shawn 4 more hours to stain a deck than Michelle. Together it takes them 4.8 hours to complete the work. How long would

it take Shawn to stain the deck by himself?

1 answer:

andrew-mc [135]2 years ago

6 0

Answer:

4.4 hours

Step-by-step explanation:

It would take Shawn 4.4 hours, as this would give a time of .4 hours to Michelle, totaling 4.8 hours

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Which postulate can be used to prove that the triangles are congruent?

Bezzdna [24]

Answer:

D. not congruent

Step-by-step explanation:

Only two pairs of congruent sides are given to us, when we need either 3 pairs of congruent sides (SSS) or two pairs of congruent sides & 1 pair of congruent angles (SAS), or two pairs of congruent angles & one pair of congruent sides (ASA).

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Step-by-step explanation:

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3 years ago

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Solve 6x^2+125=x^2 using square roots.

agasfer [191]

Answer:

NOREAL SOLUTION

Step-by-step explanation:

6x2+125=x2

Step 1: Subtract x^2 from both sides.

6x2+125−x2=x2−x2

5x2+125=0

Step 2: Subtract 125 from both sides.

5x2+125−125=0−125

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Step 3: Divide both sides by 5.

Step 4: Take square root.

NOREAL SOLUTION

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3 years ago

F(x) = x3 - 3x2 + 4 = 0 For the equation given, 2 has a multiplicity of? 1, 2, 3

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Plz help me! Find the domain and range of each function using interval notation and set builder notation.

Mice21 [21]

Answer:

Domain: $x\ge-4$ or $[-4,\infty)$

Range: $y\ge0$ or $[0,\infty)$ .

Step-by-step explanation:

The domain of a function refers to all x-values for which the function is defined.

We can see that the graph of the function is defined for all $x\ge-4$

There the domain is $x\ge-4$ .

We write this in interval notation as $[-4,\infty)$ .

The range refers to the y-values for which the graph is defined.

We can see that the graph of the function is defined for $y\ge0$ .

We write this in interval notation as: $[0,\infty)$

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