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jek_recluse [69]
3 years ago
12

Work out 6a + 5a = -11

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0
A equals -1 because 6*-1=-6 and 5*-1=-5 then -5+-6=-11


Amanda [17]3 years ago
4 0
6a+5a=-11
Add similar a terms on one side
so 11a=-11
So a=-1
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sineoko [7]
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8 0
3 years ago
Y=-7/8x<br>proportional or not proportional<br>constant of proportionality: k=<br><br>​
PSYCHO15rus [73]

Answer:

proportional, k = -7/8

Step-by-step explanation:

since y=kx, k must be -7/8

5 0
3 years ago
If the average of x and y is 11 and the average of x, y and z is 5, what is the value of z? ​
mixer [17]

Answer:

z = -17

Step-by-step explanation:

If the average of x and y is 11, then;

x+y/2 = 11

x+y = 2 + 11

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x+y+z/3 = 5

x+y+z = 3*5

x+y+z = 15

Since x+y = 22

22 + z = 5

z  = 5 - 22

z = -17

Hence the value of z is -17

4 0
3 years ago
-4<br>1.3 x 10 x 1.7 x 10<br>-3<br>x 10<br>Q2<br>[2]<br>Ed<br>9.​
Len [333]

Answer:

221

Step-by-step explanation:

use bidmas (brackets,indices, division,multiplication,addition,substraction)

3 0
3 years ago
Use the vertical line test to determine whether or not the graph is a graph of a function.
netineya [11]

Answer:

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Step-by-step explanation:

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3 years ago
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