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miss Akunina [59]

3 years ago

9

in speech class you lose 3 points for every 30 seconds to go over the time limit your speeches 90 seconds over the time limit wh

at integer represents the change in your points

1 answer:

Leni [432]3 years ago

7 0

you lose 9 points because you went 3 times the limit

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out of 30 questions on the maths test tomi knew the answer to 27 of them what percentage of questions did tomi know the answer f

Vedmedyk [2.9K]

Answer:

90

Step-by-step explanation:

$\frac{27}{30} \times 100$

so after we cut the nessecary we get 90%

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rjkz [21]

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Step-by-step explanation:

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3 years ago

What is 4and1/2 subtract 1/4

umka21 [38]

4 1/2=4 2/4

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3 years ago

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Vinil7 [7]

Answer: (3, 18)

Step-by-step explanation: Where the lines corss the x does not go over 10 so the only other option is a 3. If you cut the box hori in half in you mind, the top half being 15-20 and the bottom half bring 10-14, then you can see the lines cross on the top half. Meaning it’s at 18 not 12.

3 0

3 years ago

Hey can you please help me posted picture of question

GREYUIT [131]

To solve this problem you must apply the proccedure shown below:

1. You have the following expression:

(3+3i)-(13+15i)

2. If you want to substract both terms, you need to substract the real numbers and the complex numbers. Then, you obtain:

3+3i-13-15i
(3-13)+(3i-15i)

3. Then, you obtain the following result:

-10-12i

4. Therefore, as you can see, the correct answer is the last option (option D), which is:
D. -10-12i

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3 years ago