3 years ago

Graph the equation y = = (x + 7)(x - 1)

Mathematics

1 answer:

zloy xaker [14]3 years ago

6 0

Answer:

see attached

Step-by-step explanation:

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The midpoint of (3 x, -2) and (-4, 5y) is (1,4). find x, -y

Mariana [72]

Answer:

(x,-y): (2,-2)

Step-by-step explanation:

M=(x+x)/2,(y+y)/2

Given (1,4)=

$\frac{3x - 4}{2}$

This implies:

$1 = \frac{3x - 4}{2}$

$3x - 4 = 2 \\ 3x = 2 + 4 \\ \frac{3x }{3} = \frac{6}{3} \\ x = 2$

In a similar way,

$4 = \frac{ - 2 + 5y}{2} \\ - 2 + 5y = 8 \\ 5y = 10 \\ y = 2$

The question demanded (x,-y)

Hence(2,-2) is the answer

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2 years ago

Ms Hart had 40 dollars to spend on costume boxes for the musical. If she bought 12 boxes and received 4 dollars in change, how m

artcher [175]

Answer:each box cost =$3

Step-by-step explanation:

Amount of money Ms Hart has to spent on costume boxes=$40

Amount gotten as change after purchase=$4

Amount actually used up buying costume boxes =$40-$4=36

Since she bought 12 boxes , each box cost =$36/ 12=$3

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2 years ago

So I tried everything I could but I still don’t know

Effectus [21]

Step-by-step explanation:

app it's a standard 30 60 90 triangle. there are rules for this.

x = 3

y = 6

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3 years ago

Hello! I kinda need a little help with this...

Andre45 [30]

I honestly don't know or I would have replied. Sorry :(

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3 years ago

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the length of the sides of a triangle are in the extended ratio 4:9:10. the perimeter of the triangle is 115

velikii [3]

Answer:homie idk sorrry brah

Step-by-step explanation:

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2 years ago