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balandron [24]
3 years ago
13

What is the answer of 3x?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
8 0

Answer:

3x

Step-by-step explanation:

dusya [7]3 years ago
8 0
Answer: Not enough information!

Explanation: do you have a picture of the problem to help?
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Brandon buys a radio for $45.09 in a state where the sales tax is 7%. How much does he pay in taxes? If necessary round to the n
dusya [7]

Answer:

Step-by-step explanation:

tax = 7% of $45.09 = 0.07×$45.09 ≅ $3.16

Total cost = $45.09 + $3.16 = $48.25

5 0
2 years ago
Whats the cost of each vegetable if 5 squash and 2 zucchini is $1.32​
alex41 [277]

Answer:

Step-by-step explanation:

 

We first need to define a couple of variables.  Let s = the cost of 1 squash and z = the cost of 1 zucchini.

 

Now lets translate the words into algebra:

 

"The cost of 5 squash and 2 zucchini is $1.32"  ===>  5s  +  2z  =  1.32

 

"Three squash and 1 zucchini cost $0.75"  ===>   3s  +  z  =  0.75

 

There are several ways to solve systems of equations.  Let's use substitution.  We can find what z equals in terms of s by manipulating the second equation:

 

 3s  +   z   =   0.75

-3s                 -3s

------------     -------------

           z    =  -3s  +0.75

 

Now lets substitute (-3s + 0.75) into the first equation for z, then solve for s:

 

 5s + 2(-3s + 0.75) = 1.32

 

Can you handle it from here?

 

(Hint: Once you have solved for s, you can substitute that value back into either of the equations and solve for z.)

3 0
3 years ago
-3x + 2y = 21<br> -4x + y = 23
Nady [450]

Answer:

2y = 3x + 21

y = 1.5x + 10.5

plug in, in the second equation

- 4x + (1.5x + 10.5) = 23

-4x + 1.5x + 10.5 = 23

-2.5x + 10.5 = 23

-2.5x = 12.5

x = 12.5/-2.5 = -5

y = 1.5 (-5) + 10.5 = 3

x = -5

y = 3

5 0
3 years ago
Read 2 more answers
One financial institution is offering a 1% interest rate on savings accounts while another institution is offering a 2% interest
kotegsom [21]

Answer:

1% interest rate

Step-by-step explanation:

I've taken the same test

3 0
3 years ago
Read 2 more answers
There are 240 stamps in Pete's collection the ratio of used to new stamps is 4:1 how many used stamps are in his collection
yawa3891 [41]

There are 192 stamps is Pete's collection.

4 0
3 years ago
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