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Luda [366]
3 years ago
7

20 - 5 X 2 + 6 what is order of operation​

Mathematics
1 answer:
serious [3.7K]3 years ago
3 0

Answer:

Parenthesis ()

Exponents x²

Multiplication ×

Division ÷

Addition +

Subtraction -

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Two years ago Juanita bought 2 shirts for $15 and last year she bought 4 shirts for $45. Assuming the prices will increase linea
AleksandrR [38]

Answer:

This year, Juanita will have to use $75.

Step-by-step explanation:

Because if 2 shirts is $15, 4 shirts will be $30. $45 is $15 more than $30, so the increase is $15. 2*4 is 8, so that will make it 15*4=60. 60+15=75.

8 0
3 years ago
Help plz,BIG POINTS,also plz show me the steps as best as possible
Sidana [21]

Answer:

The correct answer is option 3.

Step-by-step explanation:

Given : ΔPQR, QM is altitude of the triangle

PM  = 8

MR = 18

To find = QM

Solution :

PR = 8 + 18  = 26

Let, PQ = x  , QR = y, QM = z

Applying Pythagoras Theorem in ΔPQR

PQ^2+QR^2=PR^2

x^2+y^2=(26)^2..[1]

Applying Pythagoras Theorem in ΔPQM

PM^2+QM^2=PQ^2

8^2+z^2=(x)^2..[2]

Applying Pythagoras Theorem in ΔQMR

MR^2+QM^2=QR^2

18^2+z^2=(y)^2..[3]

Putting values of x^2 and y^2 from [2] and [3 in [1].

8^2+z^2+18^2+z^2=(26)^2

2z^2=(26)^2-(8)^2-(18)^2

2z^2=288

z^2=144

z = ±12

z = 12 = QM ( ignoring negative value)

The length of QM is 12.

6 0
3 years ago
Which of the decimal value given below is the largest?<br><br> 0.52<br> 0.052<br> 0.0052
professor190 [17]
0.52 because 52/100 is better than 52/1000 and 52/10000
5 0
3 years ago
Hit 96 must play 3minutes of commercials for every 30 minutes of music played how many minutes of commercials must be played for
Vinil7 [7]

Answer:

21

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
- 5<br> 4<br> =<br> 2x - 3<br> 5x -5
Zinaida [17]

Answer:

x = 49/33

Hope this helps you! Even though there's no explanation... (I'm really bad at explaining, I'm just good at doing...)

3 0
3 years ago
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