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BaLLatris [955]
3 years ago
7

The table shows the heights y (in centimeters) of a plant after x weeks. How many centimeters does the plant grow in one week?

Mathematics
1 answer:
mart [117]3 years ago
4 0

Answer:

29/6 = 4.83.. or 4.8

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A national survey showed that 44% of college students drink. A professor provided his own survey by choosing a random sample of
mamaluj [8]

Answer:

It is an unusual result contradicting the national survey.

Step-by-step explanation:

National survey showed 44% of college students who drink.

The professor's survey showed that 96/244 = 39% drink.

The professor's survey deviated from the national survey is 5% (44% - 39%) representing about 0.25% (5% squared) variance.

Standard deviation is the spread of a set of numbers from their mean.  In other words, it measures how far an observed value is from the mean. It can be calculated by getting the square root of the variance.

4 0
3 years ago
Harold paid 5% in sales tax on his new "smart fabric" warm-ups.
natita [175]

Answer:

The pre-tax price of "smart fabric" warm-ups is $745 .

Step-by-step explanation:

Let us assume that the pre-tax price of the "smart fabric" warm-ups be x .

As given

arold paid 5% in sales tax on his new "smart fabric" warm-ups.  

if harnold paid 37.25 in sales tax on the warm ups .

5% is written in the decimal form .

=\frac{5}{100}

= 0.05

Equations becomes

0.05 × x = 37.25

0.05x = 37.25

x = \frac{37.25}{0.05}

x = $745

Therefore the pre-tax price of "smart fabric" warm-ups is $745 .

3 0
3 years ago
Step 1: 4r +5 = 7
zhannawk [14.2K]

Answer:

1- r=.5

2- x=.5

Step-by-step explanation:

sorry my handwriting is bad

4 0
3 years ago
Help i guess? Ik its easy i just got lazy
mrs_skeptik [129]
I hope this helps have a good day

4 0
2 years ago
Read 2 more answers
Billy has 1 gallon of paint. He is going to pour it into a paint tray that measures 10 inches wide, 14 inches long, and 4 cm dee
Free_Kalibri [48]

Answer:

The paint will not fill the tray by 10.53 in3.

Step-by-step explanation:

Length = 14 inches

Width = 10 inches

Depth = 4 cm = 1.57 inches

Volume = length x width x depth

Volume = 14 x 10 x 1.57

= 220.47 inches cube

Volume of Gallon = 231 inches cube

5 0
3 years ago
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