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3 years ago

Rewrite 23/25 and 9/10 so they have a common denominator

Mathematics

1 answer:

Kazeer [188]3 years ago

3 0

Well you have to have the common at 50 because that it so multiply23/25 by 2 and 9/10 by 5 so 45/50 and 46/50

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the average of the five number was 6.8. If the first four numbers were 4.3, 5.2, 7, and 6.8, What was the fifth number?

Nikolay [14]

Let x be the fifth number
$\frac{4.3 + 5.2 + 7 + 6.8 + x}{5} = 6.8$
⇔ $\frac{23.3 + x}{5} = 6.8$
⇔ 23.3 + x = 34
⇔ x = 10.7

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3 years ago

Find the value of X A. 40 degrees B. 50 degrees C. 60 degrees D. 100 degrees

ICE Princess25 [194]

Step-by-step explanation:

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3 years ago

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Tcecarenko [31]

Answer:

Reason : by ASA , x = 36

Step-by-step explanation:

∠ABC = ∠EBD (vertically opposite angle)

BC = BD = 54 (same length)

∠BAC = ∠BDE (alternate interior angles)

By ASA , ΔABC ≅ ΔDBE

$54 \times x = 36 \times 54\\\\x = 36$

8 0

2 years ago

Read 2 more answers

How can you find the area of a two-dimensional composite figure, or the surface area of a three-dimensional composite figure?

goldenfox [79]

Step-by-step explanation:

a. the area of a two-dimensional composite figure

In this situation, we need to draw any necessary segments to view the figure as basic shapes, then:

Step 1: add basic shape areas belonging to the composite shape
Step 2: subtract basic shape areas NOT belonging to the composite shape

b. the surface area of a three-dimensional composite figure

As we know (3D) composite objects are made of two or more objects put together. To find the surface area of a 3D composite object, we need:

Step 1: find the outside surface area of each object
Step 2: add the surface areas together

Hope it will find you well

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3 years ago

Of the 423 students entering as freshmen at a small liberal arts school, 1 out of 3 will be participating in

Allisa [31]

Answer:

About 141 students would attend.

Step-by-step explanation:

423/3=141

4 0

1 year ago