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densk [106]
3 years ago
13

What is the distance between (-2,2) and (2,-1) on coordinate plane

Mathematics
1 answer:
lawyer [7]3 years ago
6 0

Answer:

d=\sqrt(x2-x1)^{2}  + (y2-y1)^{2}

Step-by-step explanation:

1- Identify the x and  the y

x1= -2

x2=2

y1= 2

y2= -1

2-

2- solve the equation:

d=\sqrt\(2-(-2))^{2}  + ((-1)-2)^{2}

d= \sqrt(4)^{2}        + (-3)^{2}

= \sqrt16        + 9

= \sqrt25

d=5 answer

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Shannon is selling boxes cookies and candy for a fundraiser. She's sold each box of cookies for $5.25. She also sold one one box
defon

Answer:

The minimum boxes of cookies is 39

Step-by-step explanation:

Let

x ----> the number of boxes of cookies sold

y ----> the number of boxes of candies sold

we know that

The word "at least" means "greater than or equal to"

so

The inequality that represent this problem is

5.25x+8.75y\geq 200

The solution is the shaded area above the solid line   5.25x+8.75y=200

using a graphing tool

The solution is the shaded area -----> see the attached figure

Find out the minimum boxes of cookies needed to sell to reach the goal

assuming only cookies are sold

For y=0

5.25x+8.75(0)\geq 200

5.25x\geq 200

solve for x

x\geq 38.1

Round up

therefore

The minimum boxes of cookies is 39

5 0
2 years ago
Solve each equation and leave the answer in terms of “i”
almond37 [142]
17)
x² + 8 = -8
x² = -8 - 8
x² = 16
x = ±√-16
x = ±√16i
x = <span>±4i
</span>
18)
x² + 5 = -3
x² = -3 - 5
x² = -8
x = ±√-8
x = ±√8i
x = ±2√2i

19)
x² + 3 = 0
x² = -3
x = ±√-3
x = <span>±</span>√3i

hope this helps, God bless!
3 0
3 years ago
If it cost me 375.00 to stay in a hotel for 3 days. How much it cost for one day.
marusya05 [52]

Answer:

125

Step-by-step explanation:

8 0
2 years ago
At a bake sell, 3/5 of the baked goods are pies. the rest of the baked goods are the plates of cookies. there are 24 plates of c
vovangra [49]

A: 2/5

B: 24x2= 48+12= 60

C: 4

3 0
3 years ago
Simplify the expression:<br> 7x2–5x2<br><br> i need the answer quickly
soldier1979 [14.2K]

Answer:

2x^2

Step-by-step explanation:

combine like terms, and do the subtraction!

5 0
2 years ago
Read 2 more answers
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