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shusha [124]
3 years ago
15

Will measures the distance around a tree using a tape measure as 48 inches. Use this measure to find the diameter of a cross sec

tion of the tree.
Mathematics
1 answer:
marin [14]3 years ago
6 0

Answer: Assume the cross section is taken at the same height where the circumference was measured. Then


48/3 = 16 inches, close enough, actually. Trees aren't cylinders.


48 × 7 / 22 inches = 15.2727272

48/3.1415926 = 15.2788747

48/pi = 15.2788745368219522338128412837... ☺️



Step-by-step explanation:

circumference / diameter = pi = 3.1415926......

So diameter = circumference / pi.


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in the lab, Tammy has two solutions thta contain alcohol and is mixing them with each other. She use twice as much Solution A as
Dmitry_Shevchenko [17]

Answer:

She uses 200 milliliters of solution B

Step-by-step explanation:

Notice that there are two unknowns in this problem: 1) the amount of solution A that is being used, and 2) the amount of solution B being used. We can name such unknowns with letters to facilitate our work:

Amount of solution A to be used = A

Amount of solution B to be used = B

So, since we need to find two unknowns, we need to create a system of two equations to solve them.

Our first equation can be obtained from the sentence: "She uses twice as much Solution A as Solution B," which written in mathematical form is:

A = 2 B

The second equation we can build from the information of the amount of alcohol in each solution that combined will add up to 104 milliliters of alcohol in the mixture. Knowing the percent of alcohol in each solution, we can write an equation for the amount of alcohol:

0.19 A + 0.14 B = 104

Now we can use our first equation to substitute A in terms of B in the second equation:

0.19 (2 B) + 0.14 B = 104

0.38 B + 0.14 B = 104

0.52 B = 104

B = 104 / 0.52

B = 200 milliliters

4 0
3 years ago
Morton made 28 out of 56 free throws last season.
Basile [38]

Answer:

He made approximately 50% of his free throws.

Step-by-step explanation:

28/56= .5    therefore 50%


3 0
3 years ago
Read 2 more answers
Please Help Waiting 1 hour Please!!
mezya [45]

Step-by-step explanation:

yes the are similar because of AA Theorem

EAB is similar to ECD

4 0
3 years ago
Which fraction below represents a terminating decimal?<br> A. <br> B. <br> C. <br> D.
Vsevolod [243]

Answer:

3/10

Step-by-step explanation:

The fraction, 1/12, can be written as 1/4 * 1/3. Since we know that 1/3 = 0.333333... and it doesn't terminate, we know that 1/12 doesn't terminate. Similarly 2/9 = 2/3*1/3 and 2/3 = 2*1/3, and neither of these fractions terminate. But, when dividing 3/10, you get 0.3, which terminates.

3 0
2 years ago
Determine the slope of the line that is perpendicular to the line y = -7x - 12.
Mnenie [13.5K]

Answer:

None of these answers are correct.

Step-by-step explanation:

Perpendicular lines have opposite and reciprocal slopes, which means that we take the slope and we flip it. After we've done that, we change the sign.

Since the original slope is -7, first we flip it and get -1/7. Now we change the sign and get 1/7. Therefore, the perpendicular slope of this line would be 1/7

4 0
3 years ago
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