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Ira Lisetskai [31]
4 years ago
7

What is the value of x in the equation 1/5x + 2/3y = 30 when y = 15

Mathematics
1 answer:
svlad2 [7]4 years ago
5 0

Answer:

idk ask teacher

Step-by-step explanation:

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How do you solve -1x+20 is greater than -7+35
rusak2 [61]

\huge\fbox{Hello~there!}

Let's solve this inequality!

\rm{-x+20>-7+35

What can we do to solve this inequality? Well, first of all, we can add -7 and 35:

\rm{-x+20>28

Now, move 20 to the right, using the opposite operation:

\rm{-x>28-20

Subtract:

\rm{-x>8

Divide both sides by -1 to isolate x:

\rm{x (Answer)

_____________

<em>Additional comment</em>

When we divide both sides of an inequality by a negative number, we flip the inequality sign.

____________

I hope you find it helpful.

Feel free to ask if you have any questions.

\bf{-MistySparkles^**^*

3 0
3 years ago
|-3+(-1)|= simply the expression
Andreyy89

Answer:

4

Step-by-step explanation:

First, solve in the brackets,

-3+(-1)

-3-1

-4

Since it is absolute value, take the minus sign away,

therefore the answer is 4

8 0
3 years ago
Olivia wants to walk 8000 steps today. She walked 45% of this total before lunch. How many steps did Olivia walk before lunch?
motikmotik
3600 

45% of 8000 = 3600
6 0
3 years ago
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for a field trip, a bus company charges a flat fee plus an additional fee per student. For 40 students, the total cost is $250.0
swat32
Okay so 6.25 a student then it goes to 4.50 for 15 more students at 70 students its 358.75 now it drops another 1.75 so it would be 368.75 for 80 students so the equation is 4.48 x 80 = 368.75. enjoy :D
3 0
3 years ago
The domain of the function f(x)=x^2+3x+5
kaheart [24]
There is no restriction upon x for that function therefore the domain is all real numbers.  x=(-oo, +oo)
7 0
3 years ago
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