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Nady [450]
3 years ago
10

Out of 2 9 15 21 is not a composite

Mathematics
2 answers:
Lana71 [14]3 years ago
4 0

Answer:

2

Step-by-step explanation:

2 is actually a prime number because composite numbers have more than 2 factors but prime numbers don't.

Harrizon [31]3 years ago
4 0
Answer: 2 Your Welcome!
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Substitution method <br> y=-3<br> 2x+y=5<br> x-2y+z=6
satela [25.4K]

Answer:

u r in highschool

Step-by-step explanation:

3 0
3 years ago
A field is to be fertilized at a cost of $0.07 per square yard. The rectangular part of the field is 125 yards long and the diam
RSB [31]

Answer:

Total cost is $437.92

Step-by-step explanation:

Rectangular area=125•40=5000 yd²

Two equal semicircles=one single circle

Area of circle=πr²=20²•π=400•3.14=1256 yd²

Total field area=circle+rectangle=6256yd²

Cost=area•0.07yd²=6256•0.07=437.92

7 0
3 years ago
Drew's car weighs 1,344 kilograms. His car weighs 7 times as much as his motorcycle. How many grams does his motorcycle weigh? N
Alona [7]

Answer:

192,000 grams

Step-by-step explanation:

turn 1,344 kilograms to grams, which gives u 1344000 grams

divide 1344000 by 7 and you get 192,000 grams. Hope this helped :)

7 0
3 years ago
Acompact disc box is 11.5 cm long,7 cm wide and 1.5 cm tall. What is the total surface area of a stack of five such compact disc
REY [17]

Answer:

<em>1,172.5cm²</em>

Step-by-step explanation:

Total surface area of a box = 2(LW + WH + LH)

L is the length = 11.5cm

W is the width = 7cm

H is the height = 1.5cm

Substitute

TSA = 2(11.5(7) + 7(1.5) + (11.5)(1.5))

TSA = 2(80.5+10.5+17.25)

TSA = 2(117.25)

TSA = 234.5cm²

<em>Hence  the total surface area of a stack of five such compact disc boxes will be 5(234.5) = 1,172.5cm²</em>

5 0
3 years ago
Match the terms to their definition. 1. radical expression eliminate the radical from the denominator of a fraction 2. rationali
Vesnalui [34]
radical expression - an expression that contains a radicalrationalize - eliminate the radical from the denominator of a fractionradicand - the expression under a radical symbolrational number - a number that can be written as a ratio of two integers in the form a/b where b does not equal 0
6 0
3 years ago
Read 2 more answers
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