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zloy xaker [14]
3 years ago
12

Which of these strategies would eliminate a variable in the system of equations?

Mathematics
1 answer:
melomori [17]3 years ago
8 0
5x -2y = 2 is the answer
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Jeff is 18 years older than Joe, and Jeff is also 2 1/2 times as old as Joe. How old is Joe?
Yuri [45]

7 years

First of all, half of 18 is 9, and if you divide 18 by 2.5, it results in 7.2. I hope this helps!

6 0
3 years ago
A train travelled from Dhaka to Darshana. The train took 5 hours and 30 minutes. The train travelled a distance of 327 kilometre
noname [10]

Answer:

59 kph

Step-by-step explanation:

The train goes 327 in 5 and 1/2 hours

So we do 327 / 5.5 = 59.49.....

Then we round down to get:

59 kpm

4 0
3 years ago
2x = x +3<br> Help pls I can’t do this one
Fudgin [204]

Answer:

x=3

Step-by-step explanation:

Subract the x from the left side and add it to the right side and then you got your answer

3 0
3 years ago
Which of the following is the same as 8.4x 10^2<br> A.8,400<br> B.840<br> C.84<br> D. .84
zysi [14]

Answer: Your answer is B.840


Step-by-step explanation:

What you do first is the exponents 10^2 is 100

8.4 x 100 is 840 because when you multiply you move the decimal points the amount of zero's you have to the right but when you divide you do the opposite. You go left the amount of zeros there are.


6 0
3 years ago
What trig function would I use to solve for x?
Lynna [10]

Answer:

Sine

Step-by-step explanation:

sine = opposite/hypotenuse

sin59 = x/16

7 0
3 years ago
Read 2 more answers
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