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vladimir1956 [14]
3 years ago
9

[HELP] Darell has already taken 58 quizzes during past quarters, and he expects to have 4 quizzes during each week of this quart

er. After attending 7 weeks of school this quarter, how many quizzes will Darell have taken in total?
Mathematics
1 answer:
luda_lava [24]3 years ago
5 0

Answer:

86

Step-by-step explanation:

58+ (4x7=28)

58+28= 86

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HELPPPP PLEASE!!!! Don't understand
iragen [17]

Answer: 20% is your answer


Step-by-step explanation:

180-150=30

30 divided by 150 = .2 which is 20%

7 0
3 years ago
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Giselle works as a carpenter and as a blacksmith. She earns $ 2 0 $20dollar sign, 20 per hour as a carpenter and $ 2 5 $25dollar
dem82 [27]
She worked as a carpenter for 12 hours and as a blacksmith for 18 hours.

Assuming you mean she earned $20 as a carpenter and $25 as a blacksmith per hour, with a total of 30 hours for $690,
let c represent carpenter hours and b for blacksmith hours.

20c + 25b = 690
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Plug this value into the first equation

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3 0
3 years ago
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Need help pleaseee i have a test on friday
larisa [96]

Answer:

x = 8

Step-by-step explanation:

Using the sine or cosine ratio in the right triangle and the exact value

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Angle RST is a right angle. Angle RSU has a measure of 25°.
IrinaK [193]
Since angle RST is a right angle, it has a measure of 90°. 
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7 0
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romanna [79]

Answer:

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Step-by-step explanation:

d⁴ − 81

Factor using difference of squares.

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(d − 3) (d + 3) (d² + 9)

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