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VMariaS [17]
2 years ago
7

Dianne drew a triangle in math class.

Mathematics
1 answer:
likoan [24]2 years ago
4 0
I think its a=6;b=4;c=2
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Why do some numerical expressions contain parentheses
Elden [556K]

The most basic and common reason to use parentheses, brackets, and braces is to control the order of operations.

<h3>What are parentheses?</h3>

In mathematics, parenthesis is used to arrange numbers in the sequence of operations, clarify numbers, and denote multiplication.

Suppose you have an expression as:-

E = { ( 5-2 )8} 6

In this case, you would calculate 5 minus 2 first (parentheses), then multiply by 8 (brackets), then complete the part inside the curly braces, and finally multiply by 6.

Therefore the most basic and common reason to use parentheses, brackets, and braces is to control the order of operations.

To know more about parentheses follow

brainly.com/question/1778745

#SPJ1

6 0
2 years ago
PLZ HLP I DONT KNOW
bekas [8.4K]
It’s 1 hope it helps
3 0
3 years ago
Read 2 more answers
A circular running track is 1/4 of a mile long Elena runs this track completing each lap in 1/20 of an hour what is her speed
PSYCHO15rus [73]

Answer:

The speed is equal to 5\frac{mi}{h}

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

Let

x------> the distance in miles

y-----> the time in hours

s----> the speed in mph

so

s=\frac{x}{y}

In this problem we have

x=(1/4)\ mi

y=(1/20)\ h

substitute

s=\frac{(1/4)}{(1/20)}=20/4=5\frac{mi}{h}

3 0
2 years ago
Which two expressions are equivalent?
Mnenie [13.5K]

Answer:

I believe it's the first one

4 0
2 years ago
Read 2 more answers
1/2 + 1/4 = how many quarters
Aleksandr [31]

Answer:

3

Step-by-step explanation:

1/2 = 0.5

1/4 = 0.25

1/2 + 1/4

= 0.5 + 0.25

= 0.75

= 75/100

= 3/4

Quarter is 1/4.

3/4 can be written as 3 x 1/4

Hence,

1/2 + 1/4 is 3 times 1/4

1/2 + 1/4 = 3 quarters.

5 0
1 year ago
Read 2 more answers
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