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ryzh [129]
2 years ago
14

On a quiz, Tom received 2 points for each correct spelling word, and 4 points for each correct definition, Tom received 80 point

s for a total of 30 correct
responses. The equations and graph below can be used to determine the number of Tom's correct responses, where x represents the number of
correct spelling words and y represents the number of correct definitions.
Correct responses: 2 + y = 30
Total points: 2x + dy = 80

*Graph*

Tom got BLANK words correct and BLANK definitions correct

Words correct
A. 10
B. 20
C. 30

Definitions correct
A. 10
B. 20
C. 30

Mathematics
1 answer:
Lesechka [4]2 years ago
6 0

Answer:

Tom got 20 words correct and 30 definitions correct

Step-by-step explanation:

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A 1050 kg car travels on the freeway at a speed of 33 m/s. What is the cars kinetic energy?
alexandr402 [8]

Answer:

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Step-by-step explanation:

Genetic energy formula:m.v²

2

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2 years ago
What is cos 0 when sin 0
taurus [48]

Answer:

Cos θ = √7/3

Step-by-step explanation:

From the question given above, the following data were obtained:

Sine θ = √2 / 3

Cos θ =?

Recall

Sine θ = Opposite / Hypothenus

Sine θ = √2 / 3

Thus,

Opposite = √2

Hypothenus = 3

Next, we shall determine the Adjacent. This can be obtained as follow:

Opposite = √2

Hypothenus = 3

Adjacent =?

Hypo² = Adj² + Opp²

3² = Adj² + (√2)²

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Collect like terms

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Adjacent = √7

Finally, we shall determine the value Cos θ. This can be obtained as follow:

Adjacent = √7

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Cos θ = Adjacent / Hypothenus

Cos θ = √7/3

4 0
3 years ago
the cost of an annual tuition at a university increased from 10,500 to 11,300 what is the percent increase in tuition to the nea
Maurinko [17]
Percent increase
find increase first
10500 to 11300
11300-10500=800
so
percent increase
change/original
origianal=10500
change=800
800/10500=8/105=0.0761
percent means parts out of 100
0.0761/1 times 100/100=7.61/100=7.61%

rond 7.61% to tenth or to 7.6%

7.6%

5 0
3 years ago
Please answer this multiple choice question correctly for 30 points and brainliest!!
Softa [21]

Answer:

  B.  88°

Step-by-step explanation:

In a properly drawn circle graph, the central angle is proportional to the size of the number being displayed. Here, 122 of 500 selected football. Since the total angle of a circle is 360°, that fraction is ...

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7 0
2 years ago
Show work too please :)
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