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zhannawk [14.2K]
3 years ago
11

| 2.) Are the two expressions below equal? 4a + 4a + 3a and 7a + 3a Please help

Mathematics
2 answers:
bonufazy [111]3 years ago
7 0

Answer:

21a

Step-by-step explanation:

yes they are equal.. all you need is just to add all the number to get your answer!

nirvana33 [79]3 years ago
5 0

Answer:

21a

Step-by-step explanation:

because ,

4a+4a+3a =11a

and 7a+3a=10a

and they are equal so what you need is that

just to add them and for maths (and) means addition ..... so therefore the answer is 21a

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Find the value of x and the length of each side ​
AlladinOne [14]

The 3 sides of the triangle are  PR =  8.4, OR =  5.4 and OP =  3.1

Step-by-step explanation:

Step 1 :

Given

PR = 3x - 0.6

OP = x +  0.1

OR = x + 2.4

Also the 2 sides OR and PR are said to be equal.

So we have OR = PR

=> 3x - 0.6 =  x + 2.4

=>  x = 2.4 + 0.6 => x = 3

Step 2 :

we have ,

PR = 3x - 0.6 = 3(3) - 0.6 = 8.4

OR =  x + 2.4 = 3 + 2.4 = 5.4

OP = x + 0.1 = 3 + 0.1 = 3.1

Step 3 :

Answer :

The 3 sides of the triangle are

PR =  8.4

OR =  5.4

OP =  3.1

8 0
2 years ago
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Alinara [238K]

Answer:

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Step-by-step explanation:

5 0
2 years ago
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Find the diagonal of a square whose sides measure 3 square root 2
mrs_skeptik [129]

The Pythagorean theorem can be used to find the length of the diagonal (d) of a square.

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8 0
3 years ago
Usesolve the given system of two equations in two unknowns. Check your answers.
Maksim231197 [3]

Answer:

(1,4)

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(I checked on desmos and this is correct)

Step-by-step explanation:

I'm going to solve this by substitution

To do this we need to get a variable by istelf in any equation

We'll start with 18x-2y=10

We can add 2y and divide by 2 to get

y=9x-5

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3x+16(9x-5)=67

This is rather easy to solve

147x-80=67

147x=147

this means that x=1

We can then use this value for x and plug it into any equation

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-2y=-8

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6 0
2 years ago
members of the wide waters club pay $105 per summer season, plus $9.50 each time they rent a boat. nonmembers must pay $14.75 ea
Paul [167]
When handling problems of this nature make sure you setup the equations. 
x = number of times they rent a boat. 

Members 
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105 + 9.50x = 14.75x 

now solve for x 

105 = 5.25x
 
20 = x 

so they would have to rent 20 times to equal each other. 


3 0
2 years ago
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