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kolezko [41]
3 years ago
13

Sion 5(7 - 4)2 + 3+ 11.

Mathematics
1 answer:
netineya [11]3 years ago
3 0

Answer:

44

Step-by-step explanation:

use the order of operations

5 (3) 2 + 3 + 11. solve within parenthesis

15 × 2 + 3 + 11. multiply left to right

30 + 3 + 11. multiply left to right

33 + 11. add left to right

44. add

the order of operations is more commonly known as PEMDAS.

(parenthesis, exponents, multiply and divide, add and subtract)

If you are still confused there is a Brain Pop about PEMDAS. just search "order of operations" on the brain pop website

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Find the exact circumferece of a circle with a given radius of 3 1/4 inches.
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C. 

Although this is not the exact answer the circumference formula is 2(pi)r. Which is far more than the other two options. 
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3 years ago
Choose the correct answer to 7,215 divided by 34 with a remainder
Vsevolod [243]
7,215: 34 = 0,212205882352941
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2 years ago
What is the hypotenuse?<br><br> legs are 10 and 11
Anit [1.1K]
Hey!

You have to use the Pythagorean Theorem

a² + b² = c²

a = 10
10² = 10 × 10 = 100

b = 11
11² = 11 × 11 = 121

100 + 121 = 221

√221 = 14.9(rounded)

Answer ⇒ 14.9

Hope this helps! :)



3 0
3 years ago
Read 2 more answers
A researcher conducted an experiment to study the effects of an herbal supplement on the duration of the common cold. From a sam
OverLord2011 [107]

Answer:

50 people

Step-by-step explanation:

-An experimental unit is any physical entity or person or animal that can be randomly assgned to a treatment.

-Such a unit is usually referred to as a unit of statistical analysis.

-Both control and actual experimental units are units of statistical analysis despite receiving different treatments.

-Hence, the experimental units of the study is 50 people.

3 0
3 years ago
Identify the triangle PQR as isosceles​ (two sides of equal​ length), equilateral​ (three sides of equal​ length), or a scalene
Ipatiy [6.2K]

Answer:

Isosceles

Step-by-step explanation:

In order to figure what type of triangle this is out, we need to start by plotting the given points. That will help us visualize the triangle better and see if our conclusions make sense. (See attached picture).

Once we got the triangle, the strategy to follow is to use the distance between two points formula to see what the measurement of each side of the triangle is. This will help us determine if 2, 3 or none of the sides of the tirangle are the same.

The distance formula is the following:

distance=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}

so now we can find the desired distances, let's start with the distance between P and Q:

|PQ|=\sqrt{(-4-0)^{2}+(9-8)^{2}}

which yields:

|PQ|=\sqrt{17}

next, let's find the distance between P and R:

|PR|=\sqrt{(-4-(-3))^{2}+(9-5)^{2}}

which yields:

|PR|=\sqrt{17}

and finally the distance between Q and R:

|QR|=\sqrt{(0-(-3))^{2}+(8-5)^{2}}

which yields:

|QR|=3\sqrt{2}

As you  may see from the result, only two of the three sides are the same, |PQ| and |PR|, so this will be an Isosceles triangle.

6 0
3 years ago
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