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Vika [28.1K]
3 years ago
6

Formulate the null and alternative hypotheses that can be used to determine whether the school is losing money out of the raffle

. Note that the issue is whether the school is losing money, not whether the school is breaking even. Please think about what the implication is when formulating the null and alternative hypotheses.
Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0

Answer:

brainly.com/question/23195326

Step-by-step explanation:

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Marcella Heinz purchased office supplies at Office Emporium for $107.64. She then purchased an English-Spanish dictionary for $1
Sliva [168]

The total amount of tax on her purchases to the nearest cent will be $9.97

<em><u>Explanation</u></em>

Marcella Heinz purchased office supplies for $107.64 and then she purchased an English-Spanish dictionary for $16.95

So, the total amount of her purchases =\$107.64+\$16.95=\$ 124.59

On the total amount of the purchases, she paid state sales tax of 7.5% and the county tax of 0.5%

So, the <u>amount of the state sales tax</u> =\$124.59*7.5\%= \$124.59*0.075=\$9.34425

and the <u>amount of county tax</u> =\$124.59*0.5\% =\$124.59*0.005 = \$0.62295

Thus, the total amount of tax on her purchases =\$9.34425+\$0.62295= \$9.9672 \approx 9.97  <em>(Rounded to the nearest cent)</em>

8 0
4 years ago
Plants capturing light energy to from simple sugars using water and carbon dioxide is called
kotykmax [81]

Answer:

During the process of photosynthesis, chlorophyll within the leaves of plants captures light energy from the Sun to produce simple sugars. ... During photosynthesis, plant cells take in water (H2O) and carbon dioxide (CO2) and release oxygen (O2).

Step-by-step explanation:

3 0
4 years ago
I need help with these two trigonometry problems.
Sloan [31]

Answer:

B \approx 32.1\°; A \approx 39.0\°

Step-by-step explanation:

Sine theorem: in any triangle, the ratio between a side and the sine of the opposite angle is constant

\frac{sin\ \alpha}a = \frac{sin\ \beta}b =\frac{sin\ \gamma}c

In our case, for the left triangle,

\frac {sin\ 103\°}{11} =\frac{sin\ B} 6 \rightarrow sin\ B = \frac6{11} sin\ 103\°

Time to grab a calculator and crunch numbers. Double check your calculator is in degrees and not in radians (plug in sin 30°, if you're getting 0.5 you're good) and you will get

sin\ B \approx 0.53 \rightarrow B \approx 32.1\°

Same difference with the right triangle. With the same calculations

sin\ A = \frac{26}{41} sin 83\° \approx 0.68 \rightarrow A \approx 39.0\°

5 0
2 years ago
WILL GIVE BRAINLIEST! HELP QUICK
LiRa [457]

Answer:

x=25 degrees

Step-by-step explanation:

x= 90 degrees - given(65 degrees)

x=90-65

x=25 degrees.

The angles add up to 90 degrees.

3 0
4 years ago
A square gymnasium floor has an area of 169 m2. <br> Find the perimeter of the gymnasium floor.
Nimfa-mama [501]
Perimeter=4x=4 • 14cm =56cm
4 0
3 years ago
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