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Mathematics

1 answer:

OLEGan [10]3 years ago

8 0

Counting by tens is faster than counting by ones because you skip more numbers in between 10 and the next number than just counting by ones

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koban [17]

For this case we have the following inequality:
$- \frac{1}{2}x \ \textgreater \ 6$
We multiply both sides of the equation by -1.
By doing this, change the symbol of the inequality.
We have then:
$\frac{1}{2}x\ \textless \ -6$
From here, we clear the value of x.
We have then:
$x \ \textless \ (2) (- 6)
$
$x \ \textless \ -12
$
Answer:
The solution set is:
{x | x R, x < -12}

8 0

3 years ago

Select two ratios that are equivalent to 7: 10

hammer [34]

21:30 and 35: and 50 this is because 7 times 3 is 21, 10 times 3 is 30, and 7 times 5 is 35, and lastly 10 times 5 is 50

4 0

3 years ago

Read 2 more answers

The area of the rug is 4 15/36<br> The rug is 2 3/4 meters in height <br> How wide is the rug

sineoko [7]

I assume the rug is rectangle.

The area of rectangle is width (W) multiply by hight (H)

$A=4\frac{15}{36}=4\frac{5\cdot3}{12\cdot3}=4\frac5{12}\\\\H=2\frac34\\\\\\A=W\cdot H\\\\4\frac{5}{12}=W\cdot2\frac34\\\\4\frac5{12}:2\frac34=W\\\\ \frac{4\cdot12+5}{12}:\frac{2\cdot4+3}{4}=W\\\\ \frac{53}{12}:\frac{11}4=W\\\\ \frac{53}{12}\cdot\frac4{11}=W\\\\ \frac{53\cdot4}{3\cdot4\cdot11}=W\\\\W=\frac{53}{33}\\\\W=1\frac{20}{33}$

The rug is $1\frac{20}{33}$ meters wide