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RUDIKE [14]
3 years ago
6

30 Points! To Who Ever Can Give Me The Answer

Mathematics
1 answer:
n200080 [17]3 years ago
5 0

Answer:

im sorry, the answer to what?

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I need help finding the slope
lorasvet [3.4K]

Answer:

slope = 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (1, 1) and (x₂, y₂ ) = (2, 2) ← 2 ordered pairs from the table

m = \frac{2-1}{2-1} = \frac{1}{1} = 1

4 0
3 years ago
At midnight the temperature is -6 degrees C. At midday the temperature is 9 degrees C. By how much did the temperature rise? *
Nastasia [14]

Answer:

it rises 15 degrees

Step-by-step explanation:

sorry if it is wrong but I am sure it us 15

6 0
3 years ago
The sales tax in Texas is 8.25% and an item costs $600. How much is the tax?
butalik [34]

Answer:

49.5

Step-by-step explanation:

8 0
3 years ago
What is the radius of a circle whose equation is x2 y2 8x – 6y 21 = 0?
andrew11 [14]

we know that

the standard form of the equation of the circle is

(x-h)^{2} +(y-k)^{2}=r^{2}

where

(h,k) is the center of the circle

r is the radius of the circle

In this problem we have

x^{2} +y^{2} +8x-6y+21=0

<u>Convert to standard form</u>

Group terms that contain the same variable, and move the constant to the opposite side of the equation

(x^{2}+8x) +(y^{2}-6y)=-21

Complete the square twice. Remember to balance the equation by adding the same constants to each side.

(x^{2}+8x+16) +(y^{2}-6y+9)=-21+16+9

(x^{2}+8x+16) +(y^{2}-6y+9)=4

Rewrite as perfect squares

(x+4)^{2} +(y-3)^{2}=4

(x+4)^{2} +(y-3)^{2}=2^{2}

the center of the circle is (-4,3)

the radius of the circle is 2\ units

therefore

<u>the answer is</u>

the radius of the circle is 2\ units


8 0
3 years ago
Read 2 more answers
Why is it not possible to draw a square that is not a parallelogram
garik1379 [7]
So a square is a parallelogram with four sides of equal length and angles of equal size. <span>In other words, all squares are parallelograms, but only some parallelograms are squares.</span>
8 0
3 years ago
Read 2 more answers
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