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mixas84 [53]
3 years ago
11

What is the distance between (1,-5) and (-3,6)​

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

Answer:

\large\boxed{\sqrt{137}}

Step-by-step explanation:

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

We have the points (1, -5) and (-3, 6). Substitute:

d=\sqrt{(6-(-5))^2+(-3-1)^2}=\sqrt{11^2+(-4)^2}=\sqrt{121+16}=\sqrt{137}

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The length of a rectangle is twice its width, while the
hoa [83]

Answer: Length = 12 units

Width = 6 units

Step-by-step explanation:

Let the width of the rectangle be represented by x.

Since the length of a rectangle is twice its width, thus means that the length will be: = 2x

Perimeter of a rectangle = 2(l + w)

where,

L = length

W = width

Therefore,

Perimeter = 2(l + b)

36 = 2(2x + x)

36 = 2(3x)

36 = 6x

x = 36/6

x = 6

Width = 6 units

Length = 2 × Width = 2 × 6 = 12 units

7 0
3 years ago
If f(x)=1/7-9, then f^-1(x)=
artcher [175]

Answer:

Step-by-step explanation:

Hello!

f(x)=\frac{1}{7} -9=\frac{1-9*7}{7} =-\frac{62}{7} \\=>f^{-1} (x)=-\frac{7}{62}\\

Good luck!

4 0
3 years ago
Let g = 3. evaluate 12 g⋅(9÷<br> g.
swat32
With g=3
Just replace every g with a 3.
So the equations becomes:
12g·(9÷g)=12(3)·(9÷(3))

This can also be written in the form:
\frac{12(3)9}{3}

Cancelling out the 3's:
12·9=108

4 0
3 years ago
Pls help me ASAP I have other homework to do and I don’t have time for this. It also detects if it’s right or wrong:(
astraxan [27]

Answer:

b

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
How do you factor x^2 - 2x - 2 = 0
Maru [420]

Answer:


Step-by-step explanation:Step 1: Use quadratic formula with a=1, b=-2, c=-2.

x=

−b±√b2−4ac

2a

x=

−(−2)±√(−2)2−4(1)(−2)

2(1)

x=

2±√12

2

x=1+√3 or x=1−√3

Answer:

x=1+√3 or x=1−√3


5 0
3 years ago
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