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4 years ago

PLEASE HELP! LAST QUESTIONS! I NEED AN 80% OR ABOVE TO PASS PLEASE HELP!

Mathematics

1 answer:

IRISSAK [1]4 years ago

8 0

The answer to the first question is B.12.5%. The answer to the second question is A. The Thomas family spends more dollars each month on transportation than the Hernanez family does. The answer to the third question is B.4%. The answer to he fourth question is A.Mr. Wilt prepares 2 more plain wings than hot wings. The answer to the fifth question is B.The number of votes for each of 5 canidates for class president. I don't know if I'm correct on this question but I think the answer to the last question is D. Hope this helped.

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Which statements are true regarding quadrilateral ABCD? Check all that apply.

Leto [7]

Answer:

ABCD has four congruent angles.

Step-by-step explanation:

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3 years ago

Solve 5n-7p+3n=25p for n

Gnesinka [82]

Answer:

n=4p

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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4 years ago

7 • (6 • t) and (7 • 6) •t

xenn [34]

The answer to this question is 42t.

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4 years ago

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Suppose that the speeds of cars travelling on California freeways are normally distributed with a mean of miles/hour. The highwa

Readme [11.4K]

Answer:

the standard deviation of the speeds of cars travelling on California freeways is 6.0 miles per hour

Step-by-step explanation:

The computation of the standard deviation of the speeds of cars is shown below;

The z score for the top 1% is 2.326

So,

= (75 - 61) ÷ standard deviation = 2.326

Standard deviation is

= 14 ÷ 2.326

= 6.0 miles per hour

Hence, the standard deviation of the speeds of cars travelling on California freeways is 6.0 miles per hour

4 0

3 years ago

Pages in a book are numbered from 1 to 1001. How many of these page numbers include the digit 7?

Pie

Answer:

100

Step-by-step explanation:

one digit number=7 (1 page)

two digit numbers=17,27,37,47,67,77,87,97(9)

three digit numbers=

107,117,127,137,147,157,167,177,187,197 (10)

207,217,.................................,277,287,297 (10)

307,317,..................................,377,387,397 (10)

404,..........................................477,487,497 (10)

507,...................................................................(10)

607,....................................................................(10)

707,717,727,737,747,757,767,777,787,797 (10)

807,..............................................................,897 (10)

907,..............................................................,997 (10)

total number of pages=1+9+9(10)=10+90=100

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3 years ago

Read 2 more answers