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3 years ago

How do I find the coordinates?

Mathematics

1 answer:

lord [1]3 years ago

5 0

X-5=3-x
2x=8
x=4 y=-1
good luckkkkkkk

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Marty ate 4/6 of his pizza and Luis ate 5/6. Marty ate more how is this possible

emmainna [20.7K]

Because Marty's pizza is bigger than Luis'.

4 0

3 years ago

Can someone help me please? Thank you very much! Correct answer only

lbvjy [14]

Answer:

X⁰ = 240°

y = 8 cm

Step-by-step explanation:

explanation provided in image shown and the proving of each angle properties are labelled with brackets(meaning they are legitimate so dont worry )

happy learning !

7 0

3 years ago

What is the equation of the circle with center (1, −1) that passes through the point (5, 7)?

kykrilka [37]

Answer:

Option C $(x-1)^2+(y+1)^2=80$

Step-by-step explanation:

step 1

Find the radius of the circle

we know that

The distance from the center of the circle to any point on the circumference of the circle is equal to the radius of the circle

we have

(1,-1) and (5,7)

the formula to calculate the distance between two points is equal to

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

substitute the values

$d=\sqrt{(7+1)^{2}+(5-1)^{2}}$

$d=\sqrt{(8)^{2}+(4)^{2}}$

$d=\sqrt{80}\ units$

step 2

Find the equation of the circle in center radius form

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

where

(h,k) is the center

r is the radius

substitute

$(x-1)^2+(y+1)^2=(\sqrt{80})^2$

$(x-1)^2+(y+1)^2=80$

3 0

3 years ago

Solve for a. 7a-2b=5a+b

velikii [3]

8.5b.
7a= 5a +3b
-5a -5a
2a = 3b
/2
a= 1.5b
Solve by substitution and you get;
8.5b=8.5b
Because of the lack of constants in the equation there isn't a definite answer.

7 0

3 years ago

Read 2 more answers

Instructions: Find the value of the trigonometric ratio. Make sure to simplify the fraction if

g100num [7]

Step-by-step explanation:

$\sin(x) = \frac{12}{13}$

3 0

3 years ago