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malfutka [58]
2 years ago
5

Select Correct or Incorrect for each equation.

Mathematics
1 answer:
AlekseyPX2 years ago
6 0

Answer:

-1-1=-1 is incorrect.

-1+1-1=-1 is correct.

Step-by-step explanation:

Add them all up and if they do not equal what is on the other side of the equal sign, then it is incorrect. If it does add up to what is on the other side of the equal sign, then it is correct.

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Five years ago, John's age was half of the age he will be in 8 years. How old is he now?
Alexus [3.1K]
Answer:
26 year old

Step by step explanation:
Five years ago, John's age was half of the age he will be in 8 years.
this means that (x-5) = (x+8)/2
-----
solving for x, we get:
2 * (x-5) = x + 8
which becomes:
2x - 10 = x + 8
which becomes:
x = 18
-----
john is 18 years old now.
5 years ago john was 13
8 years from now john will be 26
13 = 1/2 * 26
4 0
3 years ago
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Triangle ABC has vertices of A(-6, 7), B (4, -1), and C (-2, -9). What is the length of the median from angle B?
jeka94
Coordinates of the midpoint of AC:
M ( (-6-2) / 2) , ( 7-9 ) /2 ) = ( -4, -1 )
d ( BM ) = √ ( 4 + 4 )² + ( -1+ 1 )²
d ( BM ) =   √  8 ²  =√ 64 = 8
The length of the median from angle B is 8.
6 0
3 years ago
Read 2 more answers
He weighs 88.9 kg. How many grams is this?
Serhud [2]
A kilogram is 1000 grams, so 88.9 x 1000 = 88,900 grams.
6 0
3 years ago
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Jermaine buys T-shirts for $6 each and marks up the price by 45%. How much more does Jermaine charge for each T-shirt sold?
Tamiku [17]

Answer:

$2.7

Step-by-step explanation:

We find the amount that was marked up

Jermaine buys T-shirts for $6 each and marks up the price by 45%.

The marked up amount = 45% × $6

= 45/100 × $6

= $2.7

Therefore, the amount Jermaine charges more for each T-shirt sold is $2.7

3 0
2 years ago
Deka measured the mass of 100 sheets of paper as 1,500 grams. How many kilometers would 1 sheet of paper weigh?
Ray Of Light [21]
100=1500g so 10=150g so 1=15g
3 0
3 years ago
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