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3 years ago

I’m confused!

Mathematics

2 answers:

tatuchka [14]3 years ago

4 0

So basically it’s just bots that are answering or you just getting scammed for points

denis-greek [22]3 years ago

3 0

Answer:

I have found unreliable people would leave message and fail to answer properly and not always report but then found their answer was deleted later- but sometimes its straight away as repeat offenders often have all of their answers deleted at once

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Write the equation of a circle with endpoints of the diameter are (-8, 1) and (4,5)

STatiana [176]

centre of the circle =Midpoint of the diameter

centre of the circle=

$( \frac{ - 8 + 4}{2} , \frac{5 + 1}{2} ) = ( - 2 ,3)$

radius of the circle=

$\sqrt{(4 - ( - 2) ^{2} + (5 - 3 )^{2} } = \sqrt{36 + 4} = \sqrt{40 } = 2 \sqrt{10}$

equation of the circle: (x+2)²+(y-3)² = 40

ie.. x²+4x+4+ y²- 6y+ 9=40

ie... x²+y²+4x-6y-27=0

this is the answer......

4 0

3 years ago

7^16/7^12=7^-18/? what is the missing denominator

creativ13 [48]

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\$

$\bf \cfrac{7^{16}}{7^{12}}=\cfrac{7^{-18}}{x}\implies x\cdot 7^{16}=7^{12}\cdot 7^{-18}\implies x\cdot 7^{16}=7^{12-18}
\\\\\\
x\cdot 7^{16}=7^{-6}\implies x=\cfrac{7^{-6}}{7^{16}}\implies x=\cfrac{7^{-6}\cdot 7^{-16}}{1}\implies x=7^{-6-16}
\\\\\\
\boxed{x=7^{-22}}\implies x=\cfrac{1}{7^{22}}$

4 0

3 years ago

How to find area and circunferencr of a circle

Dennis_Churaev [7]

Answer:

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

Step-by-step explanation:

np (: pls mark brainleist

7 0

3 years ago

Please help with this Geometry worksheet.

Marianna [84]

Answer:

1. x= 122(answer on pdf=n)

2. x=38(answer on pdf=s)

7. x=26(answer on pdf=l)

8. x=14(answer on pdf=p)

13. x=22(answer on pdf=b)

14. x=12(answer on pdf=k)

Step-by-step explanation:

Supplementary angle for number 1 so 58+x=180

180-58=x=122

Number 2 is a complimentary angle so 52+x=90

90-52=x=38

Number 7 is a complimentary angle so 64+x=90

90-64=x=26

Number 8 it states that the angles are equal so 4x=56

56/4=x=14

Number 13 is a supplementary angle so (6x-2)+50=180

(180-50+2)/6=x=22

132/6=x=22

Number 14 is complimentary so 8x-6=90

96/8=x=12

4 0

4 years ago

Carl thought of a rule and made an in-out table for it. On the coordinate plane, Carl recorded his rule as points, but then he a

Artist 52 [7]

Answer:

We can't see the table

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers