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adoni [48]
2 years ago
8

The amount of money you earn varies directly to the number of pizzas you sell. If you earn $44 for selling 8 pizzas, How many pi

zzas do you need to sell to earn $132?
1: Set up an equation
2:Solve the problem.
Mathematics
1 answer:
Anna [14]2 years ago
5 0

Answer:

You would need to sell 24 pizzas

Step-by-step explanation

132/44= 3

Take the 3 and times it by 8

3 x 8 = 24

You would need to make 24 pizzas

Each pizza is 5.50$

So an equation for this could be

5.50x P = C

P = Pizza

and C is the cash you earned

I hope this helps

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Answer:

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Step-by-step explanation:

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3 years ago
The size of the left upper chamber of the heart is one measure of cardiovascular health. When the upper left chamber is enlarged
Temka [501]

Answer:

a) 0.283  or 28.3%

b) 0.130 or 13%

c) 0.4 or 40%

d) 30.6 mm

Step-by-step explanation:

z-score of a single left atrial diameter value of healthy children can be calculated as:

z=\frac{X-M}{s} where

  • X is the left atrial diameter value we are looking for its z-score
  • M is the mean left atrial diameter of healthy children (26.7 mm)
  • s is the standard deviation (4.7 mm)

Then

a) proportion of healthy children who have left atrial diameters less than 24 mm

=P(z<z*) where z* is the z-score of 24 mm

z*=\frac{24-26.7}{4.7} ≈ −0.574

And P(z<−0.574)=0.283

b) proportion of healthy children who have left atrial diameters greater than 32 mm

= P(z>z*) = 1-P(z<z*) where z* is the z-score of 32 mm

z*=\frac{32-26.7}{4.7} ≈ 1.128

1-P(z<1.128)=0.8703=0.130

c) proportion of healthy children have left atrial diameters between 25 and 30 mm

=P(z(25)<z<z(30)) where z(25), z(30) are the z-scores of 25 and 30 mm

z(30)=\frac{30-26.7}{4.7} ≈ 0.702

z(25)=\frac{25-26.7}{4.7} ≈ −0.362

P(z<0.702)=0.7587

P(z<−0.362)=0.3587

Then P(z(25)<z<z(30)) =0.7587 - 0.3587 =0.4

d) to find the value for which only about 20% have a larger left atrial diameter, we assume

P(z>z*)=0.2 or 20% where z* is the z-score of the value we are looking for.

Then P(z<z*)=0.8 and z*=0.84. That is

0.84=\frac{X-26.7}{4.7}  solving this equation for X we get X=30.648

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3 years ago
Explain why relationship between capacity and fluid ounces
Nikolay [14]
Capacity is the maximum amount that something can contain. Fluid ounces is how much something contains in ounces.
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sladkih [1.3K]
You have to multiply 3 times 2= 6 + 4 = 10 so the answer is 10 I hope this help...
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represents a line that passes through (3, –2) with a slope of negative StartFraction 4 Over 5 EndFraction?
erik [133]

Answer:

y =  \frac{4}{5} x -  \frac{22}{5}

Step-by-step explanation:

y = mx + b

- 2 =  \frac{4}{5} (3)  + b \\  - 2 =  \frac{12}{5}  + b \\  - 2 -  \frac{12}{5}  = b \\   - \frac{10}{5}  -  \frac{12}{5}  = b \\  -  \frac{22}{5}  = b

Therefore, the equation of the line that goes through point (3, -2)and has slope ⅘ is

y =  \frac{4}{5} x  -  \frac{22}{5}

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