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kiruha [24]
3 years ago
7

How do you solve the equation 3x = 9 by multiplying 3 to both sides

Mathematics
2 answers:
Nonamiya [84]3 years ago
8 0
Whenever you're stuck with an equation like 3x = 9, you divide both sides by 3 and 3 is your answer. x = 3.
notka56 [123]3 years ago
5 0
Whenever you see <em>x </em> next to a 3, and it says that it equals 9, you know that 3•3=9.
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What do the numbers listed for an element on the periodic table represent?
maria [59]
Im sure you have your answer by now but would you mind posting the answer
8 0
3 years ago
Roopesh has $24 dollars to spend on a birthday gift. The store where he is shopping has a sale offering $5 off the regular price
Natasha2012 [34]

Answer:

r ≤ 29, r-5

The sale price can be compared with the regular price, r-5 ≤ 24

Step-by-step explanation:

Amount to spend = $24

Regular price = r

Sale = $5

Sale Price = r-5

The regular price will be $5, at the max, more than the amount Roopesh has to spend.

The sale price will be $24 or less than that for Roopesh to afford.

Inequality for regular price:

r-5 ≤ 24

r ≤ 29

So, the product Roopesh can afford is $29 or less than that.

What is the unknown? r ≤ 29

Following expression can represent the sale price:

Sale price = r-5  

The sale price can be compared with the regular price with the following:

Inequality representing the situation: r-5 ≤ 24

3 0
3 years ago
I need help fast like rn
lbvjy [14]

Answer:

vyuWYIRTG3ñwyiehg

Step-by-step explanation:

4 0
2 years ago
Can someone answer this please? Okay so it says that something is made 3 times than the other item. The other item uses 13 beads
V125BC [204]

Answer:

13x3= 39

Step-by-step explanation:

10x3=30

3x3=9

30+9=39

Hope it helps!

5 0
3 years ago
Read 2 more answers
The function f(x) = 2x + 510 represents the number of calories burned when exercising, where x is the number of hours spent exer
riadik2000 [5.3K]

Answer: 789 calories burned while combining diet with 2 hours of exercise

Step-by-step explanation:

we have that

f(x)=2x+510

g(x)=200x-125

we know that

(f+g)(x)=f(x)+g(x)

substitute

(f+g)(x)=2x+510+200x-125

(f+g)(x)=202x+385

Find (f+g)(2)

For x=2 hours

substitute

(f+g)(2)=202(2)+385

(f+g)(2)=789\ calories

therefore

The answer is

789 calories burned while combining diet with 2 hours of exercise

8 0
3 years ago
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