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kykrilka [37]
4 years ago
15

Suppose Ruth Ann has 3 routes she can choose from to get from school to the library, and 5 routes from the library to her home.

How many routes are there from Ruth Ann’s school to her home with a stop at the library?
A.60
B.25
C.15
D.9
Mathematics
1 answer:
Akimi4 [234]4 years ago
5 0
The answer is C. 15 routes Ruth Ann can go

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Joan had 259 dollars to spend on 8 books. after buying them she had 11 dollars. how much did each book cost?
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All 8 books cost $31
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A block of metal with volume 15 m3 and density 8,800 kg/m3 is combined with another metal of mass 850 kg and volume 6.2 m3 to fo
boyakko [2]

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El aluminio es un metal ligero con una densidad de 2.70 g/cm3, y por ello, aunque las aleaciones de aluminio tienen características mecánicas relativamente bajas comparadas con las del acero, su relación resistencia-peso es excelente. Es precisamente debido a esto que el aluminio se utiliza cuando el peso es un factor importante, como ocurre en las aplicaciones aeronáuticas y de automoción.

 

Tabla 13.8. Propiedades mecánicas y aplicaciones de algunas aleaciones comerciales de aluminio.

El aluminio también responde fácilmente a los diferentes mecanismos de endurecimiento, tal como se recoge en la tabla 13.8, donde se observa que el mecanismo más notable es el de endurecimiento por precipitación, donde se consigue una dureza hasta 30 veces superior a la del aluminio puro.

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4 0
3 years ago
Read 2 more answers
the age of Jane is 80% of the age of Alice. If we add both ages the result is 45. Find the age of Jane and Alice
inysia [295]

Answer:

Age of Alice=25 years

Age of Jane=20 years

Step-by-step explanation:

We are given that the age of Jane is 80 % of the age Alice.

We have to find the age of Jane and Alice.

Let x be the age of Alice

According to question

Age of Jane=80% of Alice=80% of x=\frac{80}{100}\times x=\frac{4x}{5}

x+\frac{4x}{5}=45

\frac{5x+4x}{5}=45

\frac{9x}{5}=45

x=\frac{45\times 5}{9}=25

Age of Alice=25 years

Age of Jane=\frac{4}{5}\times 25=20 years

Age of Jane=20 years

5 0
4 years ago
What is the height of a triangular base of a paperweight with a volume of 96 cubic inches, length is 8 in and with is 6 inches?
castortr0y [4]

Answer:

4 inches

Step-by-step explanation:

<u>Triangular prism formulas</u>

Volume = 0.5 * b * h * length, where b is the length of the base of the triangle, h is the height of the triangle and length is prism length. area = length * (a + b + c) + (2 * base_area) , where a, b, c are sides of the triangle and base_area is the triangular base area.

<u />

<u>How to find the height of a triangle - formulas</u>

area = b * l / 2, where b is a base, l - length.

so l = 2 * area / b/w-width.

<u>Solve</u>

1/2 x 6 x 8 x ? = 96

2 x 96 = 192

192/8 = 24

24/6 = 4

length = 4 inches

7 0
3 years ago
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