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lisabon 2012 [21]
3 years ago
9

15=x+7 solve this problem

Mathematics
1 answer:
AnnyKZ [126]3 years ago
5 0
8 Is you're answer! hope that i helped!
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One number is 10 less than 5 times the second number. Their sum is 26. Find the numbers.
GREYUIT [131]

Answer:

Step-by-step explanation:

a = 5b-10

a+b = 26

(5b-10)+b = 26

b = 6

a= 5b + 10 = 40

8 0
2 years ago
Read 2 more answers
Pls Help!!
Studentka2010 [4]

Answer:

Megan needs a 95 to get an average of 90.

Step-by-step explanation:

Add up the test scores Megan has earlier, you would get 355 as a result of all scores added.  In order to get an average of 90%, you would need to accumulate 450 points which she will need to take her final exam on it.  Subtract 355 from 450 to get a score of 95% in which she will need that score to average it to 90%.

5 0
3 years ago
The sum of three consecutive odd integers is 195. Find the three integers.
Anettt [7]
Good afternoon, 

x= first odd integer 
x+2 = second odd integer
x+4= third intenger

The sum of the trhree integer is 195, so:

x + (x+2) + (x+4) = 195
3x = 195 - 4 - 2
3x=189
x= 63

Then the Answer is: 63, 65 and 67
8 0
3 years ago
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(9^(3))^(3) =<br> 9 9<br> 9 0<br> 9 6<br> 81
zmey [24]

Step-by-step explanation:

\because \:  ( {a}^{m} )^{n}  =  {a}^{m \times n}  \\  \\ \therefore ( {9}^{3} )^{3}  =  {9}^{3 \times 3}  =  {9}^{9}  \\

5 0
3 years ago
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Find the slope and y intercept of the line represented by each table
d1i1m1o1n [39]

5. m=3 because 6/2 is the slope. b= 1

6. m= -4 because -20/5 is the slope. b= 140

5 0
3 years ago
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