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jeyben [28]
3 years ago
12

Help! First correct answer gets brainliest ​

Mathematics
1 answer:
lozanna [386]3 years ago
6 0
All you have to do is plug in.

x = 1 , y= 8

3x+5=y

3(1) + 5 = 8

3+5 = 8

8=8

They are both equal, yes. The coordinates work out in the equation. Both sides are equal so the coordinates work. The answer is yes.
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The ratios of the measures of the angles in a triangle is 3:10:7. Find the measure of the smallest angle. Just write the numeric
Burka [1]
Answer to written question:
3x + 10x + 7x = 180
Combine like terms
20x = 180
Divide by 20
x = 9
Smallest angle 3x = 3*9 = 27 degrees

Answer to question in picture:
30/6x-2 = 36/5x + 13
Cross multiply
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Distribute
150x + 390 = 216x - 72
Subtract 150x
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Add 72
462 = 66x
Divide by 66
x = 7
5 0
3 years ago
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sveticcg [70]
(The second one)
Noah ran 8.67 miles in 1 hour and 20 minutes
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6 0
3 years ago
How to convert 11 to base 10​
blondinia [14]
The given number which is 2A193A411 is written in Base 11. Base 11 number is also called undecimal system. The digits of Base 11 number are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Since 10 is not accepted as a digit, then we have to substitute a variable which is A = 10. Hence, the digits of a Base 11 number are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, and A.
3 0
2 years ago
I need help on a problem ​
kompoz [17]

Answer:

cool

Step-by-step explanation:

2v + 7 = 3

    - 7     - 7

2v = - 4

v = - 2

8 0
3 years ago
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A rectangular block of metal measures 5 cm by 10 cm by 2 cm and has a mass of 700g. What is the volume of this block?
grin007 [14]
Volume = 5*10*2 = 100 cm³
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8 0
3 years ago
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