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MrRissso [65]
3 years ago
7

5z + 2 = 3z - 10Show your work and I will give you brainlist ​

Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

z = -6

Step-by-step explanation:

5z + 2 = 3z - 10

Subtract 3z from both sides

2z + 2 = -10

Subtract 2 from both sides

2z = -12

Divide each side by 2

z = -6

So, the answer is z = -6

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In a triangle the first angle is 10 degrees more than the second angle. The third angle is equal to the sum of first 2 angles .
timurjin [86]
First angle= x+10
Second angle = x
Third angle = x+x+10 or 2x+10

X+10+x+2x +10=180
4x+20=180
Subtract 20 from both sides
4x=160
Divide both sides by 4
X=40
First angle =50
Second angle=40
Third angle =90
8 0
3 years ago
Help asap plz ill give a gold medal. the label on cars antifreeze claims to protect the car between -30celsius and 130celsius. t
irga5000 [103]
The inequality would start out looking like this:
-30\ \textless \  \frac{5}{9} (F-32)\ \textless \ 130
Now it's just a matter of solving the inequalities simultaneously. Get rid of the fraction by multiplying everything by 9:
-270\ \textless \ 5(F-32)\ \textless \ 1170
Then distribute the 5 into the parenthesis:
-270\ \textless \ 5F-160\ \textless \ 1170
Now add 160 everywhere:
-110\ \textless \ 5F\ \textless \ 1330
and finally divide everything by 5:
-22<F<266


4 0
3 years ago
I need help plz plz ​
Reptile [31]
It is 1/3 have a great day !!
8 0
3 years ago
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Given that f(x) = 2x – 1, find f(6).<br> Your answer:<br> 6<br> 7<br> 11<br> 13
Kruka [31]

Answer:

11

Step-by-step explanation:

2 times 6 is 12 minus 1 is 11

4 0
3 years ago
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You can buy an 8-pack of paper towels for $7.92 or a 12-pack for $11.64. Which is the better buy?
goldfiish [28.3K]

Answer:

ill say the 8 pack

Step-by-step explanation:

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