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igomit [66]
3 years ago
9

Please pleaseeeeee I need to get this done! after this math test I have 2 more math test than I’m in summer so please help!!!!

Mathematics
1 answer:
icang [17]3 years ago
3 0
13.5 bc x equal 2.7 so you multiply it by 5
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Solve the systems of equation by elimination. <br><br> x + 5y = -7<br> 2x + 7y = -8
labwork [276]
2x-7y=-6 but x = 5y , so

2(5y) - 7y = -6
7 0
3 years ago
{67, 68, 68, 71, 73, 73, 73, 74, 74, 74, 74, 75, 75, 77, 78, 79, 79, 80, 80}
Fynjy0 [20]

Answer:

74

Step-by-step explanation:

Mode is the number that shows up the most in the data.

8 0
3 years ago
Choose the equation that represents the line passing through the point (2,-4) with a slope of 1/2? y=1/2x+5, y=1/2x-3, y=1/2x-5,
LUCKY_DIMON [66]
Correct answer: <span>y=1/2x-5
</span>
given: point = (2,-4)
slope = 1/2 

Explanation: equation of line is: y = mx + c
where, m is the slope
c is the y-intercept

Now, 
here, y = 1/2x + c
put, x = 2, y = -4
we get, -4 = (1/2).2 + c
or c = -4 - 1
or c = -5 

Hence, equation of line is : y = 1/2x-5
3 0
3 years ago
1.8 + 7n = 9.5 - 4n<br> Solve the equation
Misha Larkins [42]
1.8+7n=9.5-4n \\\\ 7n+4n=9.5-1.8 \\\\ 11n=7.7 \\\\\ \boxed{n=\frac{7.7}{11}=0.7}
8 0
3 years ago
Read 2 more answers
3. John has $500 and wants to buy a used car but does not have sufficient money.
VMariaS [17]

Answer:820

Step-by-step explanation:

Since he got $500 the first week multiply 80x4 which is 320+500 is 820$

4 0
4 years ago
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