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3 years ago

When diving an algebraic fraction do you always have to flip one of the fractions when multipling?

Mathematics

1 answer:

bearhunter [10]3 years ago

4 0

Yes its stay.flip.flip it

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If r=3 cm,s=4cm find the area of the shaded area?

Slav-nsk [51]

Answer:

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3 0

3 years ago

For questions 5 and 6, solve the system using the Elimination method.

beks73 [17]

Answer:

$\boxed{x = 7~~and~~y = -3}$

Step-by-step explanation:

5x + 3y = 26 (times 6) 30x + 18y = 156

6x + 7y = 21 (times 5) 30x + 35y = 105

30x + 18y = 156

30x + 35y = 105

-17y = 51

$y = \frac{51}{-17}$

y = -3

Substitute the value of y to one of equations

6x + 7y = 21

6x + 7(-3) = 21

6x - 21 = 21

6x = 21 + 21

6x = 42

$x = \frac{42}{6}$

x = 7

3 0

3 years ago

In the right triangle shown, measure of angle A equals 45 degrees and the measure of AB equals 12. How long is BC?

Tatiana [17]

Answer:

think ab = 4

Step-by-step explanation:

4 0

3 years ago

Find the indicated side of the right triangle 60° 7 30° х X= = [?] )

RSB [31]

Answer:

2《6

Step-by-step explanation:

7Tan60°= 12

X= 12 cm

In Surds form= 2《6

I can't find the root sign on my keyboard hence I have replaced it with the arrows before 6

hope I was helpful

7 0

3 years ago

Read 2 more answers

Which of the following systems of inequalities represents the graph?

mixer [17]

Answer:

Option D.

Step-by-step explanation:

Consider the below figure attached with this question.

If a line passes through two points $(x_1,y_1)$ and $(x_2,y_2)$ , then the equation of line is

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

From the below figure it is clear that the a solid line passes through the points (-2,0) and (0,4). So, the equation of related line is

$y-0=\frac{4-0}{0-(-2)}(x-(-2))$

$y=2(x+2)$

$y=2x+4$

$-2x+y=4$

All area above the solid line is shaded. It means the sign of inequality is ≥.

$-2x+y\geq 4$

From the below figure it is clear that the a dashed line passes through the points (2,0) and (0,2). So, the equation of related line is

$y-0=\frac{2-0}{0-(2)}(x-(2))$

$y=-1(x-2)$

$y=-x+2$

$x+y=2$

All area below the dashed line is shaded. It means the sign of inequality is <.

$x+y$

System of inequality is

$-2x+y\geq 4$

$x+y$

Therefore, the correct option is D.

5 0

3 years ago