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Over [174]
3 years ago
12

Please Help me with this mathematical question?

Mathematics
2 answers:
Alex787 [66]3 years ago
8 0

Answer:

<h2> =-6\frac{12}{23}</h2>

(Decimal: -6.521739)

I hope this help

Step-by-step explanation:

Oduvanchick [21]3 years ago
4 0

Answer:-150

Step-by-step explanation:

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If the sum of the legs of a right triangle is 49 inches and the hypotenuse is 41 inches, find the length of the other two sides
german
The length of one leg is x inches.
The sum of the legs is 49 inches, so the length of the other leg is 49-x inches.
The length of the hypotenuse is 41 inches.

Use the Pythagorean theorem:
(\hbox{one leg})^2 + (\hbox{the other leg})^2=(\hbox{hypotenuse})^2 \\ x^2+(49-x)^2=41^2 \\&#10;x^2+2401-98x+x^2=1681 \\&#10;2x^2-98x+2401=1681 \ \ \ |-1681 \\&#10;2x^2-98x+720=0 \\ \\&#10;a=2 \\ b=-98 \\ c=720 \\ b^2-4ac=(-98)^2-4 \times 2 \times 720=9604-5760=3844 \\ \\&#10;x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-98) \pm \sqrt{3844}}{2 \times 2}=\frac{98 \pm 62}{4} \\&#10;x=\frac{98-62}{4} \ \lor \ x=\frac{98+62}{4} \\&#10;x=\frac{36}{4} \ \lor \ x=\frac{160}{4} \\&#10;x=9 \ \lor \ x=40

&#10;49-x=49-9 \ \lor \ 49-x=49-40 \\&#10;49-x=40 \ \lor \ 49-x=9

The lengths of the legs are 9 inches and 40 inches.
4 0
4 years ago
Ayuda, no le entiendo :)
Dmitry [639]

Trabajando 10 horas por día, en 6 días se producen 3000 ruedas.

<h3>¿Cuántos dias tardarán en fabricar 3000 ruedas si trabajan 10 horas diarias?</h3>

Sabemos que trabajando 8 horas, en 5 dias producen 2000 ruedas.

El número total de horas que trabajan en esos 5 dias es:

(8 horas)*5 = 40 horas

Entonces se producen 2000 ruedas en 40 horas, es decir, la razon de trabajo es:

(2000 ruedas)/(40 horas) = 50 ruedas por hora.

Ahora, sí en la fabrica trabajan 10 horas al día, entonces van a producir:

10h*(50 ruedas por hora) = 500 ruedas por día.

El número x de días que deben trabajar para producir 3000 ruedas es:

x*(500 ruedas por dia) = 3000 ruedas

x = (3000 ruedas)/(500 ruedas por dia) = 6 dias.

Trabajando 10 horas por día, en 6 días se producen 3000 ruedas.

Sí queres aprender más sobre razones de trabajo:

brainly.com/question/8728504

#SPJ1

8 0
2 years ago
Find the unit rate.<br> 486 games every 3 seasons
Gnoma [55]

Answer:

162 each season

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A character who changes during the course of the story is _____.
Crank

I would say dynamic is the answer.
8 0
3 years ago
Read 2 more answers
In the adjoining figure, PQ is the diameter of a circle
Olenka [21]

Answer:

The diameter of a circle is a line which joins two points on the circle and also passes through the centre of the circle. (In the adjoining figure AB is a diameter of the circle; C is its centre.) Express the diameter of the circle (d) in terms of its radius (r).

1195211

8 0
3 years ago
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