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nikitadnepr [17]

3 years ago

13

Attachment geometry please help

1 answer:

bonufazy [111]3 years ago

8 0

Center of circle = (5,-6)
equation = (x-5)^2+ (x+6)^2 = 3^2

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9* – 5( 3*+1) + 54= 0

Kobotan [32]

Answer:

43=0

this should be the answer :)

6 0

4 years ago

Solve the equations by substitution method: A. 2x-y-3=0 and 3x+4y=65.

PSYCHO15rus [73]

Step-by-step explanation:

$\sf 2x-y-3=0\dots \dots (1)$

$\sf 3x+4y=65 \\ \implies\sf 3x+4y-65=0 \dots\dots(2)$

from eq (1)

${:}\longrightarrow$ $\sf 2x-y-3=0$

${:}\longrightarrow$ $\sf 2x-3=y$

${:}\longrightarrow$ $\sf y=2x-3 \dots\dots(3)$

Substitute the value in eq(2)

${:}\longrightarrow$ $\sf 3x+4y-65=0$

${:}\longrightarrow$ $\sf 3x +4 (2x-3)-65=0$

${:}\longrightarrow$ $\sf 3x+8x-12-65=0$

${:}\longrightarrow$ $\sf 11x-77=0$

${:}\longrightarrow$ $\sf 11x=77$

${:}\longrightarrow$ $\sf x={\dfrac {77}{11}}$

${:}\longrightarrow$ $\sf x=7$

Substitute the value in eq (3)

${:}\longrightarrow$ $\sf y=2x-3$

${:}\longrightarrow$ $\sf y=2 (7)-3$

${:}\longrightarrow$ $\sf y=14-3$

${:}\longrightarrow$ $\sf y=11$

$\therefore$ ${\underline{\boxed{\bf (x,y)=(7,11)}}}$

7 0

3 years ago

A trapezoid has a height of 12 feet,

Alina [70]

Answer:

5

Step-by-step explanation:

Idc

5 0

3 years ago

What is the sum of -2 and -7

Serga [27]

-2-7 is equal to -9

hope this helps

6 0

3 years ago

Read 2 more answers

1/4 miles to a shoe store. Then you walk another 2/5 miles to a music store. How many miles have you walked in all?

zavuch27 [327]

Answer:

$\frac{13}{20}$

Step-by-step explanation:

$\frac{1}{4} + \frac{2}{5}$

First, we need to make the demoninators the same so we times 4 by 5 and whatever we do to the bottom, we do to the top, and 5 by 4.

$\frac{ 1 \times 5}{4 \times 5} + \frac{2 \times 4}{5 \times 4}$

$\frac{5}{20} + \frac{8}{20}$

$= \frac{13}{20}$

demoninator now doesn't change unless you're multiplying or dividing.

6 0

3 years ago