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Ulleksa [173]
3 years ago
13

A three-dimensional printing pen uses heated plastic to create three-dimensional objects. A kit comes with one 3D-printing pen a

nd $p$ packages of plastic. An art club purchases 6 identical kits for $\left(180+58.5p\right)$ dollars. Write an expression that represents the cost of one kit.
Mathematics
1 answer:
GalinKa [24]3 years ago
4 0

Answer:

hello

Step-by-step explanation:

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What is the expression in factored form?x^2+13x+14
nydimaria [60]

Answer:

\left(x-\dfrac{-13+\sqrt{113}}{2}\right)\left(x-\dfrac{-13-\sqrt{113}}{2}\right).

Step-by-step explanation:

To factor the expression x^2+13x+14 you need to know its roots.

First find the discriminant of this quadratic polynomial:

D=13^2-4\cdot 1\cdot 14=169-56=113.

Then the roots of the expression x^2+13x+14 are

x_{1,2}=\dfrac{-13\pm \sqrt{113}}{2}.

Now the factored form is

\left(x-\dfrac{-13+\sqrt{113}}{2}\right)\left(x-\dfrac{-13-\sqrt{113}}{2}\right).

8 0
3 years ago
If tan 0 = -5, find the cot 0
Irina-Kira [14]

Answer:

Step-by-step explanation:

cot(theta) = 1 / tan(theta)

cot(theta) = 1 / -5

cot(theta) = - 0.2

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3 years ago
BRAINLIST
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2.75 pounds = 44 ounces

44 oz divided by 8 oz (per block) =
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She needs to buy at least 5 blocks.


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