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Zepler [3.9K]
3 years ago
8

please help! Frank has two same size rectangles divided into the same number of equal parts. One rectangle has 3/4 of the parts

shaded, and the other has 1/3 of the parts shaded. A.) Into how many parts could each rectangle be divided? Show your work by drawing the parts of each rectangle. B.) Is there more than one possible answer to Part A? If so, did u find the least number of parts into which both rectangles could be divided? Explain your reasoning?
Mathematics
1 answer:
Olin [163]3 years ago
8 0
B is the correct answer
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Marissa bought a skirt on sale for $8.45 less that 60% off the original price. She paid $9.55 for the skirt. What was the origin
nadya68 [22]

Answer:

$23.88

Step-by-step explanation:

Represent the original price by p.  

The sale price is (100% - 60%), or 40%, of p:  

$9.55 = 0.40p

Dividing both sides by 0.40 results in:

p = $23.88 (rounded up from $23.875).

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The Martinez Family has driven 240 miles so far. Their total trip is 300 miles. What percentage of the trip have they already dr
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90%

Step-by-step explanation:

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3 years ago
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A pole that is 3.1m tall casts a shadow that is 1.46m long. At the same time, a nearby building casts a shadow that is 36.75m lo
Mademuasel [1]
You have to find the angle of sunlight and the pole , which then cast a shadow
length of the pole is equal to 3.1m
creating a hypotenuse of 4.52m
the angle will be
[email protected] = opposite side / hypotenuse
= 1.46/4.52
= 0.32 that's 18.66 °
now for the building sin18.66° = opposite/hypotenuse
0.32 = 36.75/ hypotenuse
hypotenuse = 114.84 m
thus using Pythagoras theorem
114.84*114.84 = 36.75*36.75 + x^2
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2 years ago
Sarah had 7.1 pints of blue and white paint, she uses 3/4 of blue paint. How many pints is left. How do I do this problem
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Answer:5.325 or 213 / 40

anymore questions ask me ;)

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3 years ago
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A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is more than
PilotLPTM [1.2K]

Answer:

A) 2.58

B) 1.96

C) 1.65

Step-by-step explanation:

A hypothesis used to test that

H_o : \mu  = 10

against the alternatives H1 : \mu not equal to 10

if null hypothesis is true, then distribution of test statics follow

Zo = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}

for two sided alternatives  hypothesis ( H1: \mu \neq 7), then P value is

P = 2[1- \phi(\left | Zc \right |)]                          (1)

a)significance level  \alpha = 0.01

from 1 eq we get

\pi (\left | Zc \right |) = P(Zo

Therefore  \left | Zc \right | = 2.58    FROM Z TABLE

B) significance level  \alpha = 0.05

from 1st equation we get

\pi (\left | Zc \right |) = P(Zo < \left | Zc \right |) = 1 - \frac{0.05}{2}  = 0.975

Therefore  \left | Zc \right | = 1.96    FROM Z TABLE

C) significance level  \alpha = 0.10

from 1 eq we get

\pi (\left | Zc \right |) = P(Zo

Therefore  \left | Zc \right | = 1.65    FROM Z TABLE

3 0
3 years ago
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