3 years ago

How does place value help me subtract decimals?

1 answer:

8 0

Place Value helps you subtract decimals because without it it would be a mess. Everything has to be in order if not you get the wrong answer

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Given the equation 2x = 4y - 3 write another linear equation that would create a system that has the number of solutions listed

Harman [31]

Answer:

A. $2x-4y=\pi$
B. $x=1$

C. $2x-4y=3$

Step-by-step explanation:

A. $2x-4y=\pi$ . Any number could work as long as the coefficients for x and y stays the same. You are basically imposing that the quantity 2x-4y (if you bring 4y to the LHS) is equal to both -3 AND $\pi$ , or any number you like. But yesterday was 3/14 so let's pick a fun number!

B. $x=1$ Or $y=1$ . Or as long as you don't pick the same ratios of x and y you're golden. But x=1 is the easiest that comes to mind

C. $2x-4y=3$ . To get infinitely many solutions you just have to rewrite the equation again. Maybe move things around if you prefer, or multiply everything by a number you lile.

7 0

2 years ago

What multiplies to -9 and adds to 8

Free_Kalibri [48]

9 and -1 9*-1=-9 and 9-1=8

5 0

3 years ago

1. Evaluate 6x/y when x=10 and y=5 (the slash means to divide)<br> 10<br> 12<br> 50

Nikolay [14]

Answer:

(6*10)/5

= 60/5