toltecavsmaya toltecavsmaya

01-04-2015
Mathematics

contestada

If (−3.5, y) is a solution to the equation 2x − 5y = 10, what is the value of y?

a) -3.4
b) 13.75
c) -0.6
d) -3.75

Respuesta :

Panoyin Panoyin

02-04-2015

2x - 5y = 10
2(-3.5) - 5y = 10
-7 - 5y = 10
+7 +7
     -5y = 17
      -5    -5
      y = -3.4
The value of y is equal to A. -3.4.

Answer Link

Otras preguntas

If 2a+4b=5 and a is equal to three times b, what is 3a?

two right triangles that are not similar can still have a pair of congruent acute angles. A. True B. False

why are brayophytes called amphibians

how to find a company liquidity and profitability from annual report

A student designs an experiment to see if detergent affects the growth of seeds. He sets up 10 seed pots. Five of the seed pots will receive a small amount of d

(10 POINTS AND BRAINLYIST) Choose two people who were important to the end of the revolutionary war. Explain why each person was important.

How do I graph quadratics in vertex form?

The part of the cerebral cortex that directs the muscle movements involved in speech is known as:_____.A) Wernicke's area.B) Broca's area.C) The temporal lobe.D

please answer someone!! I need this asap!!!This is in similarity! I need to find the lengths marked by the letter

Anna opened the window