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Alex_Xolod [135]
3 years ago
14

An 18 foot ladder is leaning against a building. The base of the ladder is 6 feet from the base of the

Mathematics
1 answer:
ahrayia [7]3 years ago
8 0

Answer:

right trianlge i think

Step-by-step explanation:

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Factor the expression: 84x – 12x
liberstina [14]
Subtract 12x from 84x = 72x
6 0
3 years ago
Read 2 more answers
Determine which of the following formulas hold for all invertible n×n matrices A and B.
garik1379 [7]

Answer:

1 hold

2 hold

3 does not hold

4 hold

5 hold

6 hold

7 does not hold

8 does not hold

9 Does not hold

10 Hold

Step-by-step explanation:

The detailed step by step verification is as shown in the attachment

4 0
4 years ago
An English teacher has 6 short stories, 4 novels, and 23 poems to choose from. How many ways can he assign one of each to his cl
Karolina [17]

Answer:

552

Step-by-step explanation:

This is a problem of permutation which can be solved by rule of fundamental counting principle.

This principle states that if there "m" ways of doing one thing and "n" ways of doing other. Then no. of ways in which both the things can be done together is "m*n". This can be extended for m, n, p,r, s things and so on.

example: if there are 5 shirts and 3 trousers then number of ways in which the shirts and trousers can be worn is 5*3 = 15 ways.

_____________________________________________

The given problem is on similar concepts.

here  6 short stories, 4 novels, and 23 poems have to be assigned to his class.

Thus it can be done in 6*4*23 = 552 ways.

5 0
3 years ago
A number is divided in the ratio 7:4.If the first part is 105,find the number
Gre4nikov [31]
105/7 = 15
15x4= 60

105:60

I think
3 0
3 years ago
The speed of light in a vacuum is 29,980,000,000
sweet [91]

Answer:

\huge\boxed{\sf 2.998 \times  10^{10}}

Step-by-step explanation:

<u>Given number:</u>

29,980,000,000

<u>Rules:</u>

  • Move the decimal point after the first non-zero digit. (after 2)
  • Here, we will move the decimal point 10 places to the left to move it after the first non-zero digit.
  • Since we move the decimal point 10 places, we will write the number as a multiple of 10¹⁰ (10 being the exponent).

<u>The number will become:</u>

2.998 × 10¹⁰

\rule[225]{225}{2}

4 0
2 years ago
Read 2 more answers
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