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3 years ago

CAN SOMEONE PLSSS HELP MEE IM STUCK ON THIS QUESTION PLSS!!!

Mathematics

1 answer:

TiliK225 [7]3 years ago

8 0

Answer:

20 each girl

Step-by-step explanation:

40 divided by 2 girls is 20

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El caudal promedio del río chillón alcanzo 1,74 m3/s, cifra que representó un aumento de 5, 5% con relación al mes de agosto de

saul85 [17]

El caudal del río Chillón en agosto de 2.020 fue de 1,649 metros cúbicos por segundo.

Una lectura atenta al enunciado de la pregunta indica que el caudal <em>promedio</em> es 5,5 % mayor que el caudal del mes de agosto de 2.020. Por la definición de porcentaje tenemos la siguiente relación entre las dos cantidades:

$1,74\,\frac{m^{3}}{s} = \left(1+\frac{5,5}{100} \right)\cdot x$

En consecuencia, el caudal del río Chillón es igual a:

$x = 1,649\,\frac{m^{3}}{s}$

El caudal del río Chillón en agosto de 2.020 fue de 1,649 metros cúbicos por segundo.

Invitamos cordialmente a consultar este problema sobre porcentajes: brainly.com/question/18546712

7 0

3 years ago

Clea estimates that a glass contains 250.55 mL of water. The actual amount of water in the glass is 279.48 mL. To the nearest te

erica [24]

subtract the 2 to find the difference:

279.48 - 250.55 = 28.93

divide difference by actual amount:

28.93 / 279.48 = 0.1035

rounded to the nearest tenth = 10.4%

6 0

3 years ago

Asher is pet sitting for five dogs. He only has of a bag of dog food left for the day. If each dog gets the same amount, what fr

Andrei [34K]

Answer:

1/5

Step-by-step explanation:

u split evenly between five dogs so they will each get 1/5 of the bag

3 0

3 years ago

Rickey has been commissioned to paint a mural that is allowed to have an area of 50 square meters. To make the rectangle shape o

Leno4ka [110]

Answer:

12.808 meter is the length should Rickey use for the mural.

Step-by-step explanation:

Area of the mural = A = $50 m^2$

Length of the mural = l

Width of the mural = w

l = 5 + 2w

Area of the rectangle = l × w

$A=(5+2w)\times w$

$50 m^2=5w+2w^2$

$2w^2+5w-50=0$

Solving above equation with the help of Completing squares method:

$(\sqrt{2}w)^2+2\times \sqrt{2}w\times \frac{5}{2\sqrt{2}}+(\frac{5}{2\sqrt{2}})^2-50=(\frac{5}{2\sqrt{2}})^2$

$(a+b)^2=a^2+b^2+2ab$

$(\sqrt{2}w+\frac{5}{2\sqrt{2}})^2=(\frac{5}{2\sqrt{2}})^2+50$

$(\sqrt{2}w+\frac{5}{2\sqrt{2}})^2=\frac{25}{8}+50$

$(\sqrt{2}w+\frac{5}{2\sqrt{2}})^2=\frac{425}{8}$

$(\sqrt{2}w+\frac{5}{2\sqrt{2}})=\pm\sqrt{\frac{425}{8}}$

w = 3.904 m (accept)

w = -6.404 m (reject)

l = (5 + 2w)m = 5 + 2 × (3.904) m= 12.808 m

12.808 meter is the length should Rickey use for the mural.

3 0

3 years ago

Triangle D F E is shown. Lines are drawn from each point to the opposite side to form right angles. The lines intersect at point

IRINA_888 [86]

Answer:

I believe the answer is 100 units :)

9 0

3 years ago