Find the surface area of the cone in terms of pie 18 height 12 radius
Find the surface area of the cone in terms of - 1

Answers

Answer 1
Answer:

144π cm²

Answer:

Solution given:

diameter (d)= 12cm

radius (r)=12/2=6 cm

slant height(l)=18cm

Now

Total surface area of cone=πr(r+l)π*6(6+18)=144π cm²


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What is the following sum?5(3squareroot x) +9 (3squareroot x)

How do I do this equation

Answers

This question requires the manipulation of the Ideal Gas formula. By moving the variables around, you'll get :

V = nRT/P

n = PV/RT

1 . ( m →(N v Q)) →((M→N) v (M→Q))
2.((T v U) → V) → (T → (U → V))

Answers

. ( m →(N v Q)) →((M→N) v (M→Q))

2.((T v U) → V) → (T → (U → V)) wut tyhe hell is this

When Lena went to her friend's sleepover on Friday night, the temperature was
7°F. By the next morning, the temperature had risen to

1°F.
What was the change in temperature during the sleepover?

Answers

The change in temperature during Lena's sleepover was 6°F. It can therefore be said that the temperature rose by 6°F during the sleepover.

How do we calculate the change in temperature?

To find the change in temperature, subtract the initial temperature from the final temperature, in other words, Subtract the temperature on Friday night from the temperature on Saturday morning.

Change in temperature = Final temperature - Initial temperature

Change in temperature = (−1°F) - (−7°F)

Change in temperature = −1 + 7

Change in temperature = 6°F

So, the temperature rose by 6°F during the sleepover.

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Answer:

6F

Step-by-step explanation:

Share £360 in the ratio 2:7

Answers

Answer:

80:280

Step-by-step explanation:

Final answer:

To share £360 in the ratio 2:7, you first find the value of one part by dividing £360 by the total number of ratio parts (9). Then, multiply each part of the ratio by this amount, resulting in £80 and £280.

Explanation:

To share £360 in the ratio 2:7, you first need to understand that the sum of the parts of the ratio (2+7) equals to 9 parts. The amount of £360 should be distributed into these 9 parts.

First, you divide the total amount by the total number of parts:
£360 / 9 = £40.

This result £40 is the value of 1 part. To find the amounts for the ratio 2:7, you multiply each part of the ratio by the value of 1 part:

  • 2 * £40 = £80 which is the amount for the first part of the ratio, and
  • 7 * £40 = £280 which is the amount for the second part of the ratio.

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MZTRI = 3x - 5, mZIRB = x + 27,
and mZTRB = 86. Find the mZTRI.

Answers

Answer:

m∠TRI  = 43

Step-by-step explanation:

m∠TRI +  m∠IRB = m∠TRB

3x - 5 + x + 27 = 86

3x + x - 5 + 27 = 86   {Combine like terms}

     4x  + 22    = 86       {Subtract 22 from both sides}

               4x = 86 - 22

                4x = 64           {Divide both sides by 4}

                  x = 64/4

                 x = 16

m∠TRI = 3x - 5

           = 3*16 - 5

          = 48 - 5

          = 43

6.Write the equation in slope-intercept form for the line that passes through the given pointand is perpendicular to the given equation.5x + 3y = -21 and passes through (-5, 1)

Answers

Let us first solve for the slope (m) of the perpendicular line.

\text{ 5x + 3y = -21}\text{ 3y = -5x - 21}\text{ y =}\frac{-5x\text{ -21}}{3}\text{ y = -}(5)/(3)x-7

The slope of the perpendicular line is -5/3.

Thus, for the slope of the line, we get,

\text{ m}_(\perp)\text{ = }(-5)/(3)\text{ m = }(3)/(5)

Let us solve for the value of b with the given value of slope (m) = 3/5 and (x,y) = (-5,1).

\text{ y = mx + b}1\text{ = (}(3)/(5))(-5)+b1\text{ = -1 + b ; b = 1 + 1 = }2

Let's now make the equation of the line using Slope-Intercept Form,

Given, m = 3/5 and b = 2

\text{ y = mx+b}\text{ y = (}(3)/(5))x\text{ + 2}

\text{ y = }(3)/(5)x\text{ +2}