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N76 [4]
3 years ago
9

Pls help!: Find the slope of the line using the coordinates: A (-7 ; 6), B (9; - 6/7)

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

m = y2 - y1 divided by x2 - x1

-6/7 - 6 divided by 9 - - 7

-48/7 divided by 16

= -3/7

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Help me with my math and please show your work
LenaWriter [7]

Answer:


The solution is: 


$160 for booth + $16 needles = $176 as capital


$15 price to sell each scarf - $4 cost of the yarn to make

the scarf = $11 as profit


$176 / $11 = 16


The students must sell 16 pieces of scarves to get the

break even point of $176 for the capital



6 0
3 years ago
Solve 4x- c= k for X.<br> A. x= *- c<br> B. x = 4(k-c)<br> c. x= 4(k+C)<br> D. x=k+c
ella [17]

Answer:

X=6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Ja'kniya and Alayjah are shopping at the Apple Store. Ja'kniya bought 4 screensavers and 3 Otterboxes for $29. Alayjah bought 6
Katarina [22]

Answer:  Each screensaver costs $2 and each Otterbox costs $7.

Step-by-step explanation:

Let x = Cost of each screensaver and y = cost of each Otterbox.

As per given, 4x+3y=29       (i)

6x +2y = 26  (ii)

Divide both sides of (i) by 2 and the multiply it by 3 on sides , we get

9x+3y=39    (iii)

Eliminate (i) from (iii) , we get

5x = 10

⇒ x = 2  [Divide both sides by 5]

Put value of x in (i), we get

4(2)+3y=29

⇒ 8+3y= 29

⇒ 3y= 21

⇒ y =7 [Divide both sides by 7]

Hence, Each screensaver costs $2 and each Otterbox costs $7.

7 0
2 years ago
Simplify this equation<br> (3X^2+21X+33)/(X+5)
Amiraneli [1.4K]

Answer:

(3x^2+21x+33) / (x+5)

You can use long division:

(3x^2+21x+33)

--------------------

       (x+5)

=3x+6+ 3/x+5

Step-by-step explanation:

6 0
2 years ago
At a large nursery, a border for a rectangular garden is being built. Designers want the border’s length to be 5 feet greater th
Salsk061 [2.6K]

Let

x--------> the border’s length

y--------> the border’s width

P--------> perimeter of the border


we know that

x=5+y------> equation 1

P=2*[x+y]-----> P=2x+2y

P <=180 ft

(2x+2y) <= 180-------> equation 2


substitute the equation 1 in equation 2

2*[5+y]+2y <= 180

10+2y+2y <= 180

4y <= 180-10

4y <=170

y <=42.5 ft

so

the maximum value of the width is 42.5 ft

for y=42.5 ft

x=42.5+5------> x=47.5 ft


the answer is

the width of the border is less than or equal to 42.5 ft


6 0
2 years ago
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