Use the elimination method to solve the system.x + y = 3x - y = 5

A. (-4, 0)
B. (4, -1)
C. (3, 0)
D. No solution


Answer: B

Mathematics

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Is the function graphed one-to-one?

A. Yes B. No

Mathematics

Solve.An electrical resistor is rated at 460 ohms . What is the highest value its resistance could have within this tolerance range? What is the lowest?

What will be an ideal response?

Mathematics

The volume V (in liters) of a certain mass of gas is related to its pressure P (in millimeters of mercury) and its temperature T (in degrees Kelvin) by the law

? ? Compute  and  when T = 260 and P = 700. ? A.

The volume increases by 0.044 L when the temperature decreases by 1 degree (beyond 260 K) and the pressure is fixed at 700 mm of mercury. The volume decreases by 0.016 L when the pressure increases by 1 mm of mercury (beyond 700 mm) and the temperature is fixed at 260 K.

?


B.

The volume increases by 0.044 L when the temperature increases by 1 degree (beyond 260 K) and the pressure is fixed at 700 mm of mercury. The volume decreases by 0.016 L when the pressure increases by 1 mm of mercury (beyond 700 mm) and the temperature is fixed at 260 K.

?


C.

The volume increases by 0.044 L when the temperature increases by 1 degree (beyond 260 K) and the pressure is fixed at 700 mm of mercury. The volume increases by 0.016 L when the pressure increases by 1 mm of mercury (beyond 700 mm) and the temperature is fixed at 260 K.

?


D. ?

The volume increases by 0.044 L when the temperature increases by 1 degree (beyond 260 K) and the pressure is fixed at 700 mm of mercury. The volume increases by 0.016 L when the pressure increases by 1 mm of mercury (beyond 700 mm) and the temperature is fixed at 260 K.

?


Mathematics

Provide an appropriate response.Does scientific notation allow a negative number to be multiplied by a power of 10?

A. Yes B. No

Mathematics