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Pani-rosa [81]
3 years ago
13

Solve −5x = 15. (1 point) −3 3 10 20

Mathematics
2 answers:
Luba_88 [7]3 years ago
8 0
Remember you can do anything to an eqautoin as long as you do oit to both sides

-5x=15
try to get 1x by itself

remember
(ax)/a=x when a=a

so
-5x=15
get x
divide both sides by -5
remember to flip sign
(-5x)/(-5)=15/(-5)
x=-3

answer is first one
x=-3 

Naya [18.7K]3 years ago
4 0
You would divide both sides by -5
Giving you x = -3 
therefore your answer is -3
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Pepsi [2]

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8 0
3 years ago
Ages Number of students 15-18 6 19-22 4 23-26 5 27-30 7 31-34 10 35-38 9 Based on the frequency distribution above, find the rel
dolphi86 [110]

Answer:

9.8%

Step-by-step explanation:

Given the following information

\left|\begin{array}{c|cccccc}Ages &15-18&19-22&23-26&27-30&31-34&35-38\\$Number of students&6&4&5&7&10&9\end{array}\right|

Total Number of Students =6+4+5+7+10+9=41

Number of Students aged 19-22 =4

Therefore:

The relative frequency for the class with a lower class limit of 19

=\dfrac{4}{41}\times 100\\\\ =9.8\% $(to one decimal place)

8 0
3 years ago
What can you add to 70 to make 90
cluponka [151]
20 because 70+10=80 add 10 more it's 90 genius.
8 0
3 years ago
9(2x + 10) = 2(9x+ 45)
Delicious77 [7]

Answer:

infinitely many solutions

Step-by-step explanation:

1) distribute 9 to each term inside parenthesis on left side of equation

18x+90=2(9x+45)

2)now distribute 2

18x+90=18x+90

these equations are exactly the same! this means that this equation has infinitely many solutions

Hope this helps!

4 0
4 years ago
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BlackZzzverrR [31]

Answer: 40%

Step-by-step explanation:

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3 years ago
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