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stich3 [128]
3 years ago
11

A package of crackers weighing 8.2 Oz cost $2.87 what is the cost per ounce of the crackers

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0
All you have to do is divide.

When you divide you get $0.35
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Donnie is solving the equation 2x^2=27+3x with the quadratic formula. What values should he use for a , b , and c? A. a=2 b=27 c
OLga [1]
Your answer is D. a = 2, b = -3, c = -27.
This is because to use the quadratic formula, your equation needs to equal 0, and to do that, you need to subtract 27 and 3x from the right to get 2x² - 3x - 27 = 0, and since the -3 is the x value, we use it for b.

I hope this helps!
3 0
3 years ago
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PRECALC QUESTION! Convert the polar representation of this complex number into its standard form: z = 2(cos 11pi/6+ i sin 11pi/6
Tanzania [10]
\bf z=2\left[ cos\left( \frac{11\pi }{6} \right) + i\ sin\left( \frac{11\pi }{6} \right) \right]\qquad 
\begin{cases}
r=2\\
\theta=\frac{11\pi }{6}\\
-----\\
a=x=rcos(\theta)\\
b=y=rsin(\theta)
\end{cases}\implies a+bi
\\\\\\
2cos\left( \frac{11\pi }{6} \right)+2sin\left( \frac{11\pi }{6} \right)\ i\implies 2\cdot \cfrac{\sqrt{3}}{2}+2\cdot \cfrac{-1}{2}\ i\implies \sqrt{3}-1i
\\\\\\
\boxed{\sqrt{3}-i}
7 0
3 years ago
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Find the inverse of y=7-5x
Vlad1618 [11]

Answer:

Step-by-step explanation:

f6^-1(x)=-x/5+7/5

5 0
3 years ago
Yoshi has $234 to spend on his holiday shopping. Using the information in the table, write and solve an equation to determine th
xxMikexx [17]

Answer:

  the number line with a mark at 6

Step-by-step explanation:

Let m represent the number of MP3 players Yoshi can afford. Then we must have ...

  39m ≤ 234

Dividing by 39 gives ...

  m ≤ 6

Yoshi can afford to buy 6 MP3 players.

7 0
4 years ago
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HELP PLEASE!!! I need help with this question!
AlexFokin [52]

Answer:

\large\boxed{PS=10\sqrt5}

Step-by-step explanation:

ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:

\dfrac{QR}{RP}=\dfrac{RP}{RS}

We have:

QR=5,\ RS=20

Substitute:

\dfrac{5}{RP}=\dfrc{RP}{20}                <em>cross multiply</em>

RP^2=(5)(20)\\\\RP^2=100\to RP=\sqrt{100}\\\\RP=10

Use the Pythagorean theorem:

PS^2=PR^2+RS^2

Substitute:

PS^2=10^2+20^2\\\\PS^2=100+400\\\\PS^2=500\to PS=\sqrt{500}\\\\PS=\sqrt{100\cdot5}\\\\PS=\sqrt{100}\cdot\sqrt5\\\\PS=10\sqrt5

6 0
3 years ago
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