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d1i1m1o1n [39]
3 years ago
11

Which statement explains why √2 is an irrational number?

Mathematics
2 answers:
liubo4ka [24]3 years ago
7 0

Answer:

it is a repetitive decimal

Step-by-step explanation:

ANTONII [103]3 years ago
5 0

Answer:

it is a repetitive decimal

Step-by-step explanation:

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When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has incr
Andrews [41]

Answer:

  (a)  13.85 °C

Step-by-step explanation:

The temperature difference is a decaying exponential function of time. Here, it decreases from an initial difference of 15 °C to 10 °C after 25 minutes. So, that temperature difference can be modeled as ...

  ΔT = 15(10/15)^(t/25)

We want to find the value of this at t=55. It is ...

  ΔT = 15(2/3)^(55/25) ≈ 6.15

This is the amount the temperature of the drink is below room temperature.

  drink temperature = (20 - 6.15) °C = 13.85 °C

The temperature of the drink after 55 minutes is about 13.85 °C.

3 0
2 years ago
Please please give answer
rodikova [14]

Answer:

Then the total area is  116 cm^2 which agrees with answer D

Step-by-step explanation:

Notice we need to calculate the area of two rectangles (one larger at the bottom and a smaller one on top)

The Area of a rectangle is the product: base x height

In our case :

Area of Big rectangle = 12 cm x 7 cm = 84 cm^2

Area of smaller rectangle = 8 cm x 4 cm = 32 cm^2

Then the total area is: 84 cm^2 + 32 cm^2 = 116 cm^2

8 0
3 years ago
When solving a word problem involving many different kinds of rational numbers, what steps do you go through to make sure you ar
marshall27 [118]

Step 1. READ THE QUESTION CAREFULLY!!!!!!

Step 2. Turn the problem into equations.

Step 3. Substitute/Eliminate variables.

Step 4. Find the first variable.

Step 5. Replace the variable1 with its correct number.

Step 6. Get your variable2.

Step 7.Do steps 3-4 until you have all the variables.

Step 8. Double check.

And you are done!

7 0
2 years ago
an item is regularly sold at $40. kala bought it at a discount of 35% off the regular price. how much did kala pay
KonstantinChe [14]

To solve this problem, we must first find the discount amount, and then subtract this amount from the total price of the item.

To find the discount amount, we must find 35% of $40. To do this, we must first convert 35% to its decimal equivalent by dividing 35/100. We do this because percentages are parts out of a total 100 percent, thus this fraction represents an equivalent value that we can multiply by other numbers. Using our knowledge that 35/100 = 0.35, we can now set up our expression:

35% of $40 (keep in mind that the word "of" refers to multiplication in math)

0.35 * 40

To solve, we just multiply these two numbers together, which gives us 14.

This means that Kala got a discount of $14 off of the original price of $40. To find out how much she paid for it, we must subtract $14 from $40, as modeled below:

$40 - $14 = $26

Therefore, Kala paid $26 for the item.

Hope this helps!

5 0
3 years ago
This Geometry and is in the topic of inequalities
Anna71 [15]
THE CORRECT ANSWER TO THAT IS D
7 0
3 years ago
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