3 years ago

What does x equal if the equation is [x+3]÷2=9

Mathematics

1 answer:

ivanzaharov [21]3 years ago

7 0

The answer is 3 i think

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IM SO LOST PLEASE HELP

LiRa [457]

Check the picture below.

$\bf \textit{lateral area of a cone}\\\\
LA=\pi r\stackrel{slant-height}{\sqrt{r^2+h^2}}~~
\begin{cases}
LA=539\pi \\
r=49
\end{cases}\implies 539\pi =\pi 49\sqrt{r^2+h^2}
\\\\\\
\cfrac{539\pi }{49\pi }=\sqrt{r^2+h^2}\implies 11=\sqrt{r^2+h^2}$

3 0

3 years ago

Please help me now plz I will mark you brainliest

PIT_PIT [208]

Answer:

On the circle

Step-by-step explanation:

Because all of the points on a circle are equidistant from the center, if a circle has a radius of 10 then all of the points are 10 units from the center. Using the Pythagorean Theorem, you know that the distance from (4,0) to (-2,8) is:

$\sqrt{(4-(-2))^2+(8-0)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10$ , meaning that it is on the circle. Hope this helps!

7 0

2 years ago

X - 0.1x = 54 <br> Is x = 60 a solution

sashaice [31]

Answer:

yes

Step-by-step explanation:

60 - 0.1(60) = 54

60 - 6 = 54

54 = 54

8 0

2 years ago

Read 2 more answers

A positive integer squared plus 3 times it’s consecutive integer is equal to 43

Eduardwww [97]

Answer:

the integer is 5

Step-by-step explanation:

x^2+3(x+1)=43

x^2+3x+3=43

x^2+3x+(9/4)=43-3+(9/4)

(x+(3/2))^2=42 1/4

x+(3/2)=sqrt(42 1/4)

x+(3/2)=6 1/2

x=(6 1/2)-(3/2)

x=5

check:

5^2+3(6)=43

25+18=43

43=43

3 0

2 years ago

Read 2 more answers

The table above shows four numeric expressions. Which expression is an integer when it's evaluated?

Gre4nikov [31]

Answer: H

Step-by-step explanation:

$9(-3)=-27$ , which is an integer.

8 0

2 years ago