3 years ago

Negative five ex is greater than or equal to 40

Mathematics

1 answer:

jonny [76]3 years ago

5 0

-5x≤40 would be the answer

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Simplify radical -81

Solnce55 [7]

Step-by-step explanation:

-81

$\sqrt{ - 1} \: \times \sqrt{81}$

$\sqrt{ - 1} = i$

$i \times \sqrt{9 {}^{2} }$

$i \times 9$

$9i$

5 0

3 years ago

Convert the following equation<br> into standard form.<br> 2y = 4x – 9<br> -<br> [?]x+[ ]y = -9

Tresset [83]

Answer: 2x - 2y = 9

here you go

4 0

2 years ago

Point M is the midpoint of AB. The coordinates of point A are (−7, 1) and the coordinates of M are (−2, 2). What are the coordin

notka56 [123]

Answer:

$\huge{\boxed{\sf{ ( 3 , 3 ) }}}$

Step-by-step explanation:

Co-ordinates of point A = ( -7 , 1 )

Co-ordinates of point M = ( -2 , 2 )

Let the co-ordinates of point B be ( x , y )

A ( -7 , 1 ) $\longrightarrow$ ( x1 , y1 )

B ( x , y ) $\longrightarrow$ ( x2 , y2 )

Now,

Midpoint = $(\frac{x1 + x2}{2} , \frac{y1 + y2}{2} )$

⇒ $( -2 , 2 ) = ( \frac{-7 + x}{2} , \frac{1 + y}{2} )$

Finding the value of x :

⇒ $-2 = \frac{-7 + x}{2}$

Do cross multiplication

⇒ $-4 = -7 + x$

⇒ $-7 + x = -4$

⇒ $x = -4 + 7$

⇒ $x = 3$

Now, finding the value of y

⇒ $2 = \frac{1+y}{2}$

Do cross multiplication

⇒ $4 = 1+y$

⇒ $1+y = 4$

⇒ $y = 4 - 1$

⇒ $y = 3$

Hence, The co-ordinates of point B = ( 3 , 3 )

Hope I helped!

Best regards!

~ $\text{ TheAnimeGirl}$

4 0

3 years ago

Laura has a 5-digit combination lock on her briefcase and has forgotten the

TiliK225 [7]

Answer: 4000

Step-by-step explanation:

don’t have it just know that’s the answer

8 0

3 years ago

500 Is 10 times as much as?

lutik1710 [3]

The answer to your question is 5,000.

5 0

3 years ago

Read 2 more answers