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gulaghasi [49]
3 years ago
12

What is the solution to the equation 3(2×+5)=3×+4×?

Mathematics
2 answers:
Misha Larkins [42]3 years ago
5 0
The answer is 15 I think
trapecia [35]3 years ago
4 0

Answer: i think it is 11x+7x

Step-by-step explanation:

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You open a drink stand where you sell coffee and hot chocolate. You sell coffee for $1.80 and hot chocolate for $3.15. At the en
Usimov [2.4K]

Answer:

c = 69 and h = 51

Step-by-step explanation:

You will need two different equations here

use variable c as coffee and variable h as hot chocolate

c + h = 120

1.80c + 3.15h = 284.40

By moving variables, you can alter the first equation

h = 120 - c

Now insert this into the second equation

1.80c + 3.15(120 - c) = 284.40

Multiply

1.80c + 378 - 3.15c = 284.40

Subtract the c

-1.35c + 378 = 284.40

Subtract 378 from both sides

-1.35c = -93.6

Divide both sides by -1.35

c = 69

Then plug into the first equation

69 + h = 120

Subtract 69

h = 51

7 0
3 years ago
What is 2x squared plus 7x minus 15= 0
OverLord2011 [107]

Answer:

Step-by-step explanation:

The answer is 0

4 0
3 years ago
PLS HELP
Anna007 [38]

he spends 9.6 hours sleeping each day! plz mark me the brainliest!

4 0
3 years ago
Read 2 more answers
Law of Syllogism to give valid conclusion. 6. Given: If it is raining, then I will bring my umbrella. If I do not bring my umbre
Colt1911 [192]

Answer:

If it is not raining, then I do not need my rain boots.

Step-by-step explanation:

idk the question is written a bit wrong, I don't know if I was able to switch the first statement. Sorry if I'm wrong!

5 0
3 years ago
30 students in a class went on a trip to the other side of the city. There were 4 vans for the
torisob [31]

Answer:

6

Step-by-step explanation:

30-6=24

(6 people walked which means they are not included in the people fitting on the busses)

24/4=6

(from there you need to divide by 4 to tell how many were on each bus.)

3 0
3 years ago
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