2 years ago

Write a statement

Mathematics

1 answer:

nekit [7.7K]2 years ago

6 0

9514 1404 393

Answer:

C) ΔDCE ≅ ΔDQR

Step-by-step explanation:

Corresponding vertices can be identified by the number of arcs signifying congruence.

1 mark: angles D and D

2 marks: angles C and Q

3 marks: angles E and R

Corresponding angles are listed in the same order in the congruence statement:

ΔDCE ≅ ΔDQR

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A small aircraft flies a 2160-mi round trip in a 45 mi/h wind. Find the average rate of speed for the trip if the aircraft can f

jok3333 [9.3K]

9514 1404 393

Answer:

216 mi/h

Step-by-step explanation:

The time for the trip with the wind is ...

(1080 mi)/(225 +45 mi/h) = 4 h

The time for the trip against the wind is ...

(1080 mi)/(225 -45 mi/h) = 6 h

The average speed for the entire round trip is ...

(2160 mi)/(4 +6 h) = 216 mi/h

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3 years ago

Simplify (5^3)^6 leaving your answer in index form

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$( {5}^{3} ) ^{6} = {5}^{3 \times 6} = {5}^{18}$

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3 years ago

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If a number is divisible by 3 and 5 then it is divisible by 15

koban [17]

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45/3 = 15

45/5 = 9

45/15 = 3

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3 years ago

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How should the decimal point in 52.48 be moved to determine the product 52.48×105 ?

tensa zangetsu [6.8K]

Answer:

5510.4

Step-by-step explanation:

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3 years ago

A: What are the solutions to the quadratic equation x^2+9=0?

Nataliya [291]

Answer:

Part A)

x=-3i

x=3i

Part B)

(x+3i)(x-3i)

Step-by-step explanation:

Given:

Part A)

x^2+9=0

x^2=-9

x= √-9

x=√-1 *√9

x=± i *3

x=±3i

Part B)

x^2+9=0

x^2 - (-9)=0

x2-(3i)^2=0

(x-3i)(x+3i)=0 !

3 0

3 years ago