delexciaprathep2pj9e delexciaprathep2pj9e

06-02-2018
Mathematics

contestada

If the point (a,7) lies on the graph of the equation 5x-y=8, then a=
a) -3
b) 3
c) 1/5

Respuesta :

dannielle dannielle

06-02-2018

when y=7

5x- 7 = 8

5x=8+7

5x=15

x=15:5
x=3
the answer is b

Answer Link

Otras preguntas

Match the point of you with one of its advantages.

1.What was the most important consequence of the Louisiana Purchase? It provided for the future growth of the United States. It gave the United States a vast wo

What words can be spelled with the letters r,h,y,d,e,s,b?

Some coral reefs in deep water. true or false.

Which of these is a function of the digestive system? A. transports nutrients to other organs. B. eliminates nondigestible waste. C. regulates blood flow. D. bu

What is the simplified form of the expression? 7^4 a. 16,384 b. 16,807 c. 343 d. 2,401

The reaction that you will be investigating is the reaction that occurs when an Alka-Seltzer tablet is placed into a given amount of water. C(graphite) + O2(g)

convert 124/10 into a mixed number

Evaluate the function at the given point. x = –15 x –15 –2 –1 0 13 16 22 y –2 –15 0 3 5 12 13 A.y = –15 B.y = 5 C.= –2 D.y = 13

How would the issue of whether to allow slavery in a territory be decided, using the idea of popular sovereignty? A. By the federal government. B. By a national