All categories

3 years ago

2x+y=8 and 6x-y=5...which variable should be eliminated and why

Mathematics

1 answer:

vredina [299]3 years ago

4 0

Answer:variable y

Step-by-step explanation:

because it doesn’t have a like variable

You might be interested in

Composite volcanoes are known for their beautiful, distinctive cone shape. A composite volcano called Mayon in the Philippines h

Grace [21]

Answer: $77.283km^{2}$

Step-by-step explanation:

The formula for the lateral area of a cone $L.A$ is:

$L.A=\pi r h$

Where:

$r=10km$ is the radius of the circular base of the cone

As we know its diameter $d=20km$ , its radius is $r=\frac{d}{2}=10km$

$h=2.46km$ is the height of the cone

$L.A=\pi (10km)(2.46km)$

$L.A=77.283km^{2}$ This is the lateral area of the volcano with the shape of a cone

7 0

3 years ago

What is the surface area?

Alchen [17]

Answer:

SA: 1575.2

Step-by-step explanation:

(22)(22) + (26)(22) = (23.6)(22)

484 + 572 + 519.2 = 1575.2

I hope I helped you ;)

6 0

3 years ago

The price of an Item has been reduced by 80%. The original price was $65. What is the price of the item now?

PIT_PIT [208]

Answer:

$13

Step-by-step explanation:

multiply 65 by 80 then divide by 100, you get 52, so subtract 65 from 52 you get 13

5 0

3 years ago

What is the zero of the function ?

Maru [420]

Answer:

The zero of a function is any replacement for the variable that will produce an answer of zero. Graphically, the real zero of a function is where the graph of the function crosses the x‐axis; that is, the real zero of a function is the x‐intercept(s) of the graph of the function.

Step-by-step explanation:

4 0

3 years ago

If 7 units represent 98 liters, find the value of 15 units

klemol [59]

7/98 = 15/x so if you cross multiply and divide you get 15(98) divided by 7 which means x=86.47...

5 0

4 years ago

2x+y=8 and 6x-y=5...which variable should be eliminated and why ​

2x+y=8 and 6x-y=5...which variable should be eliminated and why