Y−3=2(x+1) Complete the missing value in the solution to the equation. (−1,

Mathematics

2 answers:

postnew [5]3 years ago

5 0

CORRECT ANSWER WOULD BE y=2

MrRa [10]3 years ago

3 0

Answer:

Y=2

Step-by-step explanation:

both sides just have to be the same so y-3 is 2x +1

x is -1 so -2 +1=-1 and y-3=-1

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HELPPPPP PLEASEEEEE!!!

Pepsi [2]

Answer:

The height of right circular cone is h = 15.416 cm

Step-by-step explanation:

The formula used to calculate lateral surface area of right circular cone is: $s=\pi r\sqrt{r^2+h^2}$

where r is radius and h is height.

We are given:

Lateral surface area s = 236.64 cm²

Radius r = 4.75 cm

We need to find height of right circular cone.

Putting values in the formula and finding height:

$s=\pi r\sqrt{r^2+h^2}\\236.64=3.14(4.75)\sqrt{(3.75)^2+h^2} \\236.64=14.915\sqrt{(3.75)^2+h^2} \\\frac{236.64}{14.915}=\sqrt{14.0625+h^2} \\15.866=\sqrt{14.0625+h^2} \\Switching\:sides\:\\\sqrt{14.0625+h^2} =15.866\\Taking\:square\:on\:both\:sides\\(\sqrt{14.0625+h^2})^2 =(15.866)^2\\14.0625+h^2=251.729\\h^2=251.729-14.0625\\h^2=237.6665\\Taking\:square\:root\:on\:both\:sides\\\sqrt{h^2}=\sqrt{237.6665} \\h=15.416$

So, the height of right circular cone is h = 15.416 cm

4 0

3 years ago

X + y = 12

liberstina [14]

We are given with two equations to find the values of two variables, hence the problem can be solved.

Adding the two equations:

x + y = 12<u>x - y = 10
</u>2x = 22
<u />x =11
y = 1

8 0

4 years ago

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slega [8]

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3 years ago

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Pls help WILL MARK BRAINLY also 34 POINTS