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Ne4ueva [31]
4 years ago
12

Find the distance between A and B. Round to the nearest hundredth. ​A (-7,-1) ​B (6,-5)

Mathematics
1 answer:
taurus [48]4 years ago
4 0

Answer:

The distance between A and B is 13.6

Step-by-step explanation:

Distance formula=√(x2-x1)²+(y2-y1)²

Where

x1=-7

x2=6

y1=-1

y2=-5

Putting in the formula

Distance=√(6+7)²+(-5+1)²

D=√(13)²+(-4)²

D=√169+16

D=√185

D=13.6

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defon

First you write down the formula. How do you get 132.60 in the first place? I included a pic, please try to understand it. As it'd be v useful in daily life too.

7 0
3 years ago
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What is the vertex of the graph of #y=x^2+3x-4#?
borishaifa [10]
To find the x value of the vertex we do:

x = \frac{-b}{2a}
if your quadratic function is in the form ax² + bx + c = y

x = \frac{-3}{2(1)}
x = \frac{-3}{2}

Now we plug this x into the equation and solve for y.

y = (\frac{-3}{2}) ^{2} + 3( \frac{-3}{2} ) + 4
y = \frac{9}{4} -  \frac{9}{2} + 4
y = \frac{9}{4} - \frac{18}{4} + 4
y = \frac{-9}{4} + 4
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3 years ago
PLS HELP ME EZ MATH GIVING 103 POINTS ALL MY POINTS PLS DUE NOW!!!
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4 years ago
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Emily measures 3 pieces of string with the first piece measures 642 cm the second piece measures 124 cm and the third piece is 1
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Answer: the total length of the string is 9 meters.

Step-by-step explanation:

The total number of strings that Emily measured is 3.

The length of the first piece of string measures 642 cm.

The length of the second piece of string measures 124 cm.

The length of the third piece of string measures 134 cm.

Therefore, the total length of the 3 pieces of string would be

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Converting 900 centimeters to meters, it becomes

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3 years ago
4 strips of paneling 40cm long and 4cm wide are arranged to form a square. What is the area of the inner square in cm
Rom4ik [11]

The area of the square will be 640 sq cm.

Step-by-step explanation:

Given,

Number of strip = 4

Length (l) of each strip = 40 cm

Width (b) of each strip = 4 cm

To find the area of the inner square.

Formula

The area of rectangle = l×b

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Now,

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Hence,

The area of the square will be 640 sq cm.

4 0
4 years ago
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