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2 years ago

Solve the inequality. 1/2x > 7

Mathematics

2 answers:

irinina [24]2 years ago

8 0

Answer:

$\frac{1}{2} x > 7$

$x > 7 \div \frac{1}{2}$

$x > 7 \times 2$

$x > 14$

Ulleksa [173]2 years ago

4 0

Answer:

x>14

Step-by-step explanation:

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3 years ago

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3 years ago

Using the number line shown, subtract 1 2/6 from 4 4/6.

Soloha48 [4]

Hey there!

$\bold{1\frac{2}{6}-4\frac{4}{6}}$

$\bold{1\frac{2}{6}=1\frac{1}{3}=\frac{4}{3}}$
$\bold{4\frac{4}{6}=4\frac{2}{3}=\frac{14}{3}}$
Problem becomes: $\bold{\frac{4}{3}-\frac{14}{3}}$
To solve our new problem $\uparrow;\downarrow$
$\bold{4-14=-10}$
The $\bold{3's}$ stay the same because the same
$\bold{\rightarrow=\frac{-10}{3}}$
$\boxed{\boxed{\bold{Answer:\frac{-10}{3} (or)=-3\frac{1}{3}}}}$

Good luck on your assignment and enjoy your day!

~ $\bold{LoveYourselfFirst:)}$

4 0

4 years ago

What is r in this equation?<br> 3 3/4 + r = 5 3/8

gayaneshka [121]

Answer:

r is 1 5/8

Step-by-step explanation:

3 3/4 is the same as 3 6/8, now both denominators are the same.

5 3/8 - 3 6/8 is the same as 43/8-30/8 which is 13/8, or in mixed number form, 1 5/8.

So r=1 5/8

8 0

3 years ago

Read 2 more answers

SOLVING SYSTEMS OF EQUATIONS BY SUBSTITUTION.<br><br> 1. 2x+3y=1<br> -3x+y=15

ohaa [14]

$2x+3y=1 \\
-3x+y=15 \\ \\
\hbox{from the 2nd equation:} \\
-3x+y=15 \\
y=15+3x \\ \\
\hbox{substitute 15+3x for y in the 1st equation:} \\
2x+3(15+3x)=1 \\
2x+45+9x=1 \\
9x+2x=1-45 \\
11x=-44 \\
x=-4 \\ \\
\hbox{solve one of the equations for y}: \\
2x+3y=1 \\
2 \cdot (-4) + 3y=1 \\
-8+3y=1 \\
3y=1+8 \\
3y=9 \\
y=3 \\ \\
\hbox{the answer:} \\
x=-4 \\
y=3$

6 0

3 years ago

Solve the inequality. 1/2x > 7​

Solve the inequality. 1/2x > 7