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Readme [11.4K]
3 years ago
7

QUICK QUICK I NEED YOUR ANSWERS NOW! 2 MINUTES ONLY! WITH EXPLANATION THEN YOU WILL BE THE BRAINLIEST!

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0
It will take Colin 5 nights to write a 4 page essay if he writes 4/5 each night. Here is a simple way to look at the math involved:

1 night- he has written 4/5
2 night- he has written 1 3/5
3 night- he has written 2 2/5
4 night- he has written 3 1/5
5 night- he completes the paper

Please vote my answer brainliest. Thanks!
STALIN [3.7K]3 years ago
6 0

Answer:

5

Step-by-step explanation:

because 4/5=0.8

and 5×0.8 = 4

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Mrs.Brown gives two tests to her class. 30% of the class passed both tests and 45% of the class passed the first test. What perc
viktelen [127]

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25%

Step-by-step explanation:

100%-30%=70%

70%-45%=25%

7 0
3 years ago
I need this answer fast!
kiruha [24]

Answer:it is 14 hun.

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4 0
3 years ago
Simplify :<br>(a+b)²<br>Thanks ​
Eddi Din [679]

Answer:

(a+b)(a+b)

=a^2 + ab + ab + b^2

=a^2 + 2ab + b^2

6 0
3 years ago
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A school district is considering moving the start of the school day at Groveland High from 8:00 a.m. to 9:00 a.m. to allow stude
DaniilM [7]

Answer:

The answer is "\bold{(7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} }\\\\"

Step-by-step explanation:

Given values:

\bar{x_1}=7.1\\\\\bar{x_2}=8.3\\\\s_1=1.7\\\\s_2=1.9\\\\n_1=50\\\\n_2=39

Using formula:

\to (\bar{x_1} -\bar{x_2}) \pm t \sqrt{\frac{(s_1)^2}{n_1}+\frac{(s_1)^2}{n_2}} \\\\

Put the values in the above formula:

\to (7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} \\\\

4 0
3 years ago
How does the graph of y = sec(x + 3) – 7 compare with the graph of y = sec(x)?
Alla [95]

Answer:

The function y = sec(x) shifted 3 units left and 7 units down .

Step-by-step explanation:

Given the function: y = sec(x)

  • If k is any positive real number, then the graph of f(x) - k is  the graph of y = f(x) shifted downward k units.
  • If p is a positive real  number, then the  graph of f(x+p) is  the graph of y=f(x)  shifted to the left  p units.

The function y = \sec(x+3)-7 comes from the base function y= sec(x).  

Since 3 is added added on the inside, this  is a horizontal shift Left 3 unit, and since 7 is subtracted on the outside, this is a vertical shift  down 7 units.

Therefore, the transformation on the given function is shifted  3 units left and 7 units down


3 0
3 years ago
Read 2 more answers
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