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3 years ago

I need help with this question!

Mathematics

1 answer:

kipiarov [429]3 years ago

8 0

Answer:

31.35

Step-by-step explanation:

you have to do 94.05 divided by 3 and the answer will be 31.35

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If a data value in a normal distribution has a negative z-score, which of the following must be true?

Tamiku [17]

<span>The data value must be less than the mean.</span>

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3 years ago

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gtnhenbr [62]

I can see it, it's too blurry and small

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Find the area of the following figure:

RoseWind [281]

The area of the figure is 11. 27 cm²

The figure given is a parallelogram

Note that the formula for area of a parallelogram is given as;

Area = base × height

Base = 2. 3cm

height = 4. 9cm

Area = 2. 3 × 4. 9

Area = 11. 27 cm²

Thus, the area of the figure is 11. 27 cm²

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brainly.com/question/970600

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2 years ago

Mario has a business selling muffins. Let x be the price of a muffin. Then, the profit P for Mario’s business is given by p(x)=-

Rufina [12.5K]

To make a positive profit p(x)>0 we need to make:
$-100 x^{2} +350x-150 \ \textgreater \ 0$

Now we solve this for x:
$-2 x^{2} +7x-3 \ \textgreater \ 0$

We have:
a = -2
b = 7
c = -3

We will use formula for quadratic equation:
$x_{1} = \frac{-b+ \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{2} = \frac{-b- \sqrt{ b^{2}-4ac } }{2a} \\ \\ x_{1} = \frac{-7+ \sqrt{ 49-24 } }{-4} = \frac{-7+5 }{-4} = \frac{-2 }{-4} = \frac{1}{2} \\ \\ x_{2} = \frac{-7- \sqrt{ 49-24 } }{-4} = \frac{-7-5 }{-4} = \frac{-12 }{-4} = 3$

We got two solutions. One is fraction other is whole number. We will not consider fraction because the amount of muffins sold must be whole number. So our solution is:
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3 years ago

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Select the correct answer.

mariarad [96]

Answer:

D. slope: 3

y-intercept: -3

Step-by-step explanation:

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