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inna [77]
3 years ago
15

Show that among all rectangles with area a the square has the minimum perimeter

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0

Answer:

Step-by-step explanation:

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How many degrees is a 1/4 turn on the spinner<br>who ever answers is a brainliast
Lelechka [254]
It would most likely be 60degrees cause that’s 1/4 of 180
8 0
3 years ago
1. 2y2 =1.44 please explain how i got my answer
SSSSS [86.1K]

2y^2=1.44\qquad\text{divide both sides by 2}\\\\y^2=\dfrac{1.44}{2}\to y=\pm\sqrt{\dfrac{1.44}{2}}\\\\y=-\dfrac{\sqrt{1.44}}{\sqrt2}\ \vee\ y=\dfrac{\sqrt{1.44}}{\sqrt2}\\\\y=-\dfrac{1.2}{\sqrt2}\ \vee\ y=\dfrac{1.2}{\sqrt2}\\\\y=-\dfrac{1.2\cdot\sqrt2}{\sqrt2\cdot\sqrt2}\ \vee\ y=\dfrac{1.2\cdot\sqrt2}{\sqrt2\cdot\sqrt2}\\\\y=-\dfrac{1.2\sqrt2}{2}\ \vee\ y=\dfrac{1.2\sqrt2}{2}\\\\\boxed{y=-0.6\sqrt2\ \vee\ y=0.6\sqrt2}

5 0
3 years ago
Match the name of the sampling method descriptions given.Situations 1. divide the population by age and select 5 people from eac
USPshnik [31]

Answer:

1. ⇔ b.

2. ⇔ a.

3. ⇔ c.

4. ⇔ e.

5. ⇔ d.

Step-by-step explanation:

We conclude that:

5. asking people on the street Sampling is (d.) Convenience.  

4. randomly select two tables in the cafeteria and survey all the people at those two tables is (e.) Cluster.

3. choosing every 5th person on a list is (c.) Systematic.

1. divide the population by age and select 5 people from each age is (b.) Stratified.

2. writing everyones name on a playing card, shuffling the deck, then choosing the top 20 cards is (a.) Simple Random.

6 0
4 years ago
In May, there were 14 days where the temperature was above 60°F and 17 days when it was below 60°F. There were also 19 days that
Sophie [7]

Answer:

The table must be Event vs Number of days.

Then you can write the table as:

\left[\begin{array}{ccc}Event&#Days\\T>60f&14\\T

In this way you have your information organized. Whit onle a look at the table you can see the number of days that had a temperature above 60°f, below 60°f and the sunny days.

5 0
4 years ago
-8_less than 2x-4greater than 4 solve the inequality
katrin [286]
-8 < 2x-4 > 4
-4 < 2x > 8
-2 < x > 4
x > 4
4 0
3 years ago
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