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3 years ago

Please tell me the answer quick

Mathematics

1 answer:

Vesnalui [34]3 years ago

8 0

To compare these numbers, you must first put them into one format. Since you have mixed numbers, you may have to find and use the LCD.

-2.5, 1/5, 10, -12/4, 18/5, 10 could be simplified somewhat immediately:

-2.5, 1/5, 10, -3, (3 3/5) This set of numbers is simple enough so that you could rearrange them in ascending order mentally:

-3, -2.5, 1/5, (3 3/5), 10

In this case the number of elements in this set is odd, so all you have to do is to select the MIDDLE element: 1/5.

The median is 1/5.

You MUST learn this procedure (arranging the set elements in ascending order and selecting the middle element) so that you can apply it yourself.

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Arielle is building the wooden framework for the roof of a house. She needs the angle created by the vertical and horizontal boa

serg [7]

A² + b² = c² ⇒ right triangle
a² + b² < c² ⇒ obtuse triangle
a² + b² > c² ⇒ acute triangle

a = 12 ft ; b = 15 ft ; c = 20 ft

12² + 15² = < > 20²
144 + 225 = < > 400
369 < 400 OBTUSE TRIANGLE

√369 = 19.21

20 - 19.21 = 0.79

<span>It is an obtuse triangle. About 0.8 foot needs to be removed from the 20-foot board to create a right triangle.</span>

4 0

3 years ago

Calvin work as an air conditioning contractor the customer wants to buy an air condition for his family room his room measure 30

Verdich [7]

ANSWER

$3840 {ft}^{3}$

EXPLANATION

The room represents a rectangular prism or a cuboid.

The dimensions of the room are 30 feet by 16 feet by 8 feet(height).

The volume of a rectangular prism is

$= base \: area \: \times \: height$

Substitute the given values

$= 30 \times 16 \times 8 {ft}^{3}$

Simplify:

$= 3840 {ft}^{3}$

Hence the cubic feet of air in the room is 3,840ft³.

6 0

3 years ago

John is making 3 1/2 batches of cookies. Each batch takes 2 1/4 cups of flour. How much flour will John need for the cookies?

Ivahew [28]

Answer: 7 7/8 cups of flour

Step-by-step explanation:

Since John is making 3 1/2 batches of cookies and each batch takes 2 1/4 cups of flour.

The amount of flours that John will need for the cookies will be gotten by multiply the batches of cookies made by the number of flours of cups used per batch and this will be:

= 3 1/2 × 2 1/4

= 7/2 × 9/4

= 63/8

= 7 7/8 cups of flour

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3 years ago

513 is 114% of what number<br>

Liono4ka [1.6K]

Answer:

450

Step-by-step explanation:

513÷114=4.5 then move decimal 2 places to the right

513÷450= 1.14 then move decimal 2 places to the right

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2 years ago

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Elis [28]

Answer: 12

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3 years ago