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Andreas93 [3]
3 years ago
11

Jim had $8.10 when he went to the store. When he got back, he had $3.49. How much did he spend?

Mathematics
2 answers:
charle [14.2K]3 years ago
6 0
Easy, subtract

$8.10
-
$3.49

so,

8.10
-
3.49

since 1-4, is not possible, you must borrow making your problem,

   10
7.11  10   kind of tricky, but it's re-written as this to be able to subtract.
8.1    0
-
3.49

So,

7-3=4

10-4=6

10-9=1

Making it $4.61.

Thus, Jim spent, $4.61.
user100 [1]3 years ago
4 0
So they are asking to subtract, therefore it is 8.10-3.49=4.61 SO HE SPENT $4.61 Hope this helped!
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What are the measures of 1 and 2? 37.1 1 2 17.30 121.8°​
Lady_Fox [76]

Answer:

Option 2 : m∠1 = 67.4°, m∠2 = 104.5°

Step-by-step explanation:

Lets find the measure of angle 2 first:

180° - 17.3° - (180° - 121.8°) = Angle 2

                             ↑

             Angle of the straight line = 180°

             The angle should be 180 - 121.8

Angle 2 = 104.5

At this point the only answer that works is the second option, but let's still work out Angle 1

Angle 1 :

Theory of opposite angles state that the opposite angles inside a triangle = the exterior angle

in this case:

Angle 1 + 37.1 = Angle 2

Since we know angle 2 = 104.5, lets solve

Lets say angle 1 = x

x + 37.1 = 104.5

x = 104.5 - 37.1

x = 67.4

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Item 16 A sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. What is the difference of the vol
Zigmanuir [339]

Answer:

672\pi \text{ cm}^3.

Step-by-step explanation:

We have been given that a sphere has a radius of 8 centimeters. A second sphere has a radius of 2 centimeters. We are asked to find the difference of the volumes of the spheres.      

We will use volume formula of sphere to solve our given problem.

\text{Volume of sphere}=\frac{4}{3}\pi r^3, where r is radius of sphere.

The difference of volumes would be volume of larger sphere minus volume of smaller sphere.

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\text{Difference of volumes}=\frac{4}{3}\pi(512)\text{ cm}^3-\frac{4}{3}\pi(8)\text{ cm}^3

\text{Difference of volumes}=\frac{4}{3}\pi(512-8)\text{ cm}^3

\text{Difference of volumes}=4\pi(168)\text{ cm}^3

\text{Difference of volumes}=672\pi\text{ cm}^3

Therefore, the difference between volumes of the spheres is 672\pi \text{ cm}^3.

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Answer:

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Step-by-step explanation:

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