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SpyIntel [72]
3 years ago
13

Choose the number that is composite. A. 2 B. 21 C. 31 D. 17

Mathematics
1 answer:
Stella [2.4K]3 years ago
6 0
A composite number has more than two factors. (B) 21 is a composite number because the factors of 21 are 7 × 3.
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3. Which rule best describes the last three numbers shown in the pattern? 10, 12, 9, 11​
sergij07 [2.7K]

Answer:

it goes by 2 two times then subtracts 3 then again

Step-by-step explanation:

10,12,9,11,8,10,7

5 0
3 years ago
I can't seem to figure this out
antiseptic1488 [7]

Answer:

c. 4

Step-by-step explanation:

tan (30)/1 = x/7 *cross multiply*

x = 7 (tan(30))

x = 4.04

x = 4

6 0
3 years ago
A 27 1⁄2-mile stretch of road needs repaving. A company bid on the repaving project, saying they would repave 2 1⁄4 miles of roa
Umnica [9.8K]

Answer:

The correct answer is 12 and a half or 13 weeks.

Step-by-step explanation:

First, convert the values to decimals.

27 1/2 = 27.5

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Then, divide miles of road that need to be repaved by the number of miles that are repaved per week.

27.5/2.25 = 12.2222222222222

Round that up to 12 and a half weeks or 13 weeks.

8 0
3 years ago
Solid shape is made 4 cubes. What is the front elevation ​
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The easiest method to draw elevations to the same scale as your floor plans to make the process a bit easier.Tape your main floor plan drawing to the surface of your work table with the front side house facing towards you
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Evaluate for x = 2.<br><br> A. 4<br><br> B. 5<br><br> C. 6<br><br> D. 7
kakasveta [241]
I hope that A. Is the answer
7 0
3 years ago
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