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Vlad [161]
3 years ago
15

100 Points!!! I will give Brainliest, a 5 star rating and a thank you. pls help me with question 1 through 5. 1 and 2 is on atta

chment 1, and 3 to 5 is on attachment 2.

Mathematics
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

1. A. similar

2. C.

3. B. all congruent figures are also similar figures.

4. B. 22.5

5. D. two hexagons

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Find the LCM of the following
Tresset [83]

Answer:

A. LCM of 6,9, and 15 is 90.

B. LCM of 3,12, and 16 is 48.

C. LCM of 8,9, and 12 is 72.

D. LCM of 24 and 18 is 72.

E. LCM of 21 and 28 is 84.

F. LCM of 19 and 42 is 798.

Step-by-step explanation:

Hope this helps! :)

8 0
2 years ago
Determine the number of significant figures in each of the following numbers
Strike441 [17]

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9.99999999999999 apk

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2 years ago
Ok so i need the work and answer for this problem is due asap click the picture.
IRISSAK [1]

Answer:

C. 36

Step-by-step explanation:

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7 0
2 years ago
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23. Kelvin travelled of his journey at 45 km/h and of the remaining journey at 90 km/h. The rest of his journey was completed in
Sonja [21]

Answer:

4.6 hours

Step-by-step explanation:

we first need to calculate the total distance he covered and total time taken whole for the journey.

Distance= speed X time

time = Distance/speed

let the total distance be X. he covers 2/5 if the journey first.

2/5 = 0.4

Time = 0.4x/45 hours

the remaining journey is 3/5x

he covers 1/3 X 3/5= 0.2x

time taken = 0.2/90 X hours

the remaining distance = 100× 1.2 = 120km

we add 0.4x + 0.2x to get the fraction he had covered

0.6x.

the remaining distance was X - 0.6x = 0.4 X

thus 120 km represents 0.4x of the journey

we calculate now the value of X

0.4x = 120

X = 300km

Total time taken = 0.4x/45 + 0.2/90 + 1.2 hours

replace X to get time

2.7 hours + 0.7 hours + 1.2 hours

= 4.6 hours

3 0
1 year ago
Is negative 5 a rational number
katen-ka-za [31]
Yes and rational numbers are numbers that can be written as a ratio of two integers
8 0
3 years ago
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