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2 years ago

Katie lunch cost 17 dollars no tax she gave a tip of 18 percent of the cost of lunch what’s the total cost no tax

Mathematics

2 answers:

koban [17]2 years ago

6 0

Answer: 20.06

Step-by-step explanation:

17 x 1.18 = 20.06

MatroZZZ [7]2 years ago

3 0

Answer:

20.06 dollars

Step-by-step explanation:

17 x 0.18 = 3.06

17+ 3.06=20.06

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Please help me with this

horrorfan [7]

Answer:

$\dfrac{4000\pi}{3}$ ft³

Step-by-step explanation:

First, let's figure out how to get the volume of a sphere from its surface area. If r is the radius of our sphere, then

The formula for a sphere's surface area is $A = 4\pi r^2$

The formula for a sphere's volume is $V=\frac{4}{3}\pi r^3$

So to get from area to volume, we have to divide the area by 3 and then multiply it by r. Mathematically:

$V=\frac{A}{3}r$

Before we solve for V though, we need to find the radius of our sphere. Thankfully, we're given the surface area - $400\pi$ ft² - so we can use the area formula to find that radius:

$A=4\pi r^2=400\pi\\r^2=100\\r=10$

And now that we have our radius, we can put it into our volume formula to find

$V=\frac{A}{3} r=\frac{400\pi}{3}(10)=\frac{4000\pi}{3}$ ft³

4 0

2 years ago

What is the volume of the composite space figure to the nearest whole number?

Firdavs [7]

Check the picture below.

the volume of a rectangular prism is just the product of its 3 dimensions, so the volume of those two there is 4*9*6 and 3*6*5.

so the volume for the composite figure is just the sum of those two products.

6 0

2 years ago

Last summer we took an auto trip of 3427 miles . After we had driven 1578 miles , how many are left ?

koban [17]

There wold be 1,849miles left.

7 0

3 years ago

Read 2 more answers

Identify the arc length of TV in terms of π. (image is attached)

uranmaximum [27]

Use the formula of arc length that is
s = rθ
where s = arc length, r = radius, θ = angle (unit must be in radian)
Given r = 5 in and θ = 48°( π /180°) = (4/15)* π = 0.2667 π,
s = 5 in (0.2667π) = 1.333 π in

8 0

3 years ago

Which number is closest to √18

Mars2501 [29]

Answer:

4.2 or 4

Step-by-step explanation:

√18 = 4.24264068712

or 4.2

or 4

8 0

2 years ago