2 years ago

Plz answer fast for this question

Mathematics

1 answer:

torisob [31]2 years ago

5 0

170 cm. The unknown length on the left is 21 cm

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Step-by-step explanation:

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2 years ago

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Jack's last six scores are 75,78,83,80,79,84. If he scores a 90 on the next test, by how much will his mean test score increase?

kondaur [170]

Answer:

1.46

Step-by-step explanation:

First find the the mean score before he made a 90.

$\frac{75+78+83+80+79+84}{6} = 79.83$

Now add the score of 90 and calculate.

$\frac{75+78+83+80+79+84+ 90}{7} = 81.29$

Subtract the two scores.

$81.29-79.83 = 1.46$

His mean test score increased by 1.46.

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3 years ago

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Answer: c and e

Step-by-step explanation:

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2 years ago

the points in a coordinate plane are reflected in the y-axis. in general, every point (x,y) is mapped onto what point

Lisa [10]

Answer:

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Step-by-step explanation:

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2 years ago

ophia can text 95 words in 10 minutes. At this rate, how many minutes would it take her to text 114 words? Fill out the table of

Usimov [2.4K]

Answer:

12 minuts

Step-by-step explanation

If you divide 95 by ten you get 9.5, and 9.5 to 95 and you get 104.5 and it is 11 minuts. add it again and you are at 114 words and it is 12 minuts.

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2 years ago