If You know how to do long division then... You move the decimal that’s outside the house to where it’s not there no more then divide . Or turn the decimals into Fractions and do the reciprocal.

5 0

4 years ago

evaluate the following expression using the values given: find 3x − y − 3z if x = −2, y = 1, and z = −2. a -13 b-1 c 1 d 13

Fantom [35]

3x - y - 3z
The answer is b. -1

6 0

4 years ago

Riley is 3 years older than his sister. Which of the following expressions shows the sum of their ages if s represents Riley's s

cluponka [151]

Total is 2s+3, It should be choice C.

3 0

3 years ago

Read 2 more answers

Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. Find

Minchanka [31]

$\left \{ {{x+3y=9~(3)} \atop {3x-y=7(-1)}} \right. \\
\\ \left \{ {{3x+9y=27} \atop {-3x+y=-7}} \right. \\ \\10y=20\\
\\y= \frac{20}{10} \\y=2$

$x+3y=9\\x=9-3y\\x=9-3.2\\x=3$

$S=\{3,2\}$

One solution.

8 0

3 years ago

Read 2 more answers

Sarah earned a grade of 80% on the math exam that had 75 problems. How many correct problems did Sara answer?​

Sarah earned a grade of 80% on the math exam that had 75 problems. How many correct problems did Sara answer?