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yKpoI14uk [10]
3 years ago
15

One number is 5 more than another. The difference between their squares is 105. What are the numbers?

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0

Answer: 8 & 13

Step-by-step explanation:

13 squared is 169 and 8 squared is 64, and the difference of those two squares would be 169 - 64 = 105. Hope this helps!

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Rajiv is building a bookcase a shelf on the bookcase can hold up to 95 pounds of books write an inequality to represent the situ
mihalych1998 [28]
The first thing we must do in this type of problem is first to name the variables that we are going to use to write the inequality.
 We have then:
 b = the weight of books on the shelf.
 The inequality is:
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 answer:
 An inequality to represent the situation is
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5 0
3 years ago
Un huerto escolar tiene una superficie de 4dam2 500m2 y se requiere dividir en seis parcelas rectangulares de igual area ¿ cuant
vitfil [10]

Answer:

Cada parcela tendrá una extensión de 150 metros cuadrados.

Step-by-step explanation:

De acuerdo con el enunciado el huerto escolar tiene una extensión de 4 decámetros y 500 metros cuadrados.

Tengamos presente que un decámetro es igual a 100 metros cuadrados, entonces el huerto escolar tiene un área total de 900 metros cuadrados. Si dividimos esa área en seis parcelas de igual extensión, tenemos que:

x = \frac{900\,m^{2}}{6}

x = 150\,m^{2}

Cada parcela tendrá una extensión de 150 metros cuadrados.

7 0
3 years ago
Your are part of a team studying an endangered species of land snail in upstate New York. You and your colleagues capture and ma
ELEN [110]

Answer:

720 individuals

Step-by-step explanation:

According to my research, I can say that based on the information provided within the question you can conclude that the population of land snails has about 720 individuals. We can calculate this by using the Rule of Three formula that is attached below.

 x   ⇒   80 marked

45   ⇒   5 marked

\frac{45*80}{5} = x

720= x

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

6 0
3 years ago
Read 2 more answers
What is the value of the expression 5(9/12-1/4)+0.5
Paladinen [302]
Your answer is 3.

Hope this helps.
8 0
4 years ago
Simplify the expression using properties of operations. 5(x−4)+2x
Elena-2011 [213]
1st: 5x-20+2x (distribute the 5 to the numbers in the parenthesis) distribution property

2nd: 7x-20 (add like terms aka 5x and 2x) I believe commutative property of addition

Finished!
7 0
4 years ago
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