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wel
3 years ago
15

-20=x/3-8 I have no idea how to do this

Mathematics
1 answer:
Doss [256]3 years ago
4 0
The answer for the equation is X=-36
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Latrell took one of his friends out to lunch. The lunches cost $60 and he paid 5% sales tax. If Latrell left a 15% tip on the $6
VladimirAG [237]

Answer:

$72

Step-by-step explanation:

Cost of the lunch = $60

Sales tax = 5% of $60

= 5/100 × 60

= 0.05 × 60

= $3

Tip = 15% of $60

= 15/100 × 60

= 0.15 × 60

= $9

how much in total did he pay?

Total amount paid = cost of the lunch + sales tax + tip

= $60 + $3 + $9

= $72

Latrell paid $72 in total for the lunch

4 0
3 years ago
What Does 9/12 equal to?
sveticcg [70]
3/4 = or .75
Divide the numerator and denominator to reduce the fraction.
5 0
3 years ago
Read 2 more answers
Please help me!! I really don't know how to do this!!
Nimfa-mama [501]
R*F = 5LF, R*M = 9LM, L*F + L*M = 18, R*F + R*M = 122.
<span>RF=50, </span><span>LF=10</span><span>, RM=72</span><span>, LM=8. Fill in the graph with this info and assume there aren't people that are transgender</span>
3 0
3 years ago
-10 is equal to 5 subtracted from a number
kumpel [21]

-10 is equal to 5 subtracted from a number

Assume that the number is x

So the equation will be

-10=x-5

we put x at first because in subtraction the number after the word "from" comes first

Now let us find x

We need to move 5 to the left side to find x, so add 5 to both sides

\begin{gathered} -10+5=x-5+5 \\ -5=x \end{gathered}

The number is

7 0
1 year ago
Prove that for a,b,c E ℤ, if a ❘ ( ab + c ), then a I c.
zhenek [66]

Answer:

True.

Step-by-step explanation:

Let a,b,c integers  and a | (ab+c), that is to say that there exist a integer k such that ab+c = ka. Then:

ab+c = ka

c = ka-ab

c = a(k-b). So, c is a multiple of a, that is a | c.

3 0
2 years ago
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