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ale4655 [162]
3 years ago
6

There were 90 boys at the Hammarskjold school dance. They made up 60% of all of the students there. How many total students were

there?
Mathematics
1 answer:
Harman [31]3 years ago
8 0

Answer:

The answer would be 150

Step-by-step explanation:

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−<br> 3<br> (<br> 7<br> −<br> 2<br> x<br> )<br> =<br> −<br> 1<br> −<br> 4<br> x
Bogdan [553]

Answer:

5208

Step-by-step explanation:

3 0
2 years ago
Please show work it’s due tommorow I will give 35 Brainly
SCORPION-xisa [38]

Answer:

Step-by-step explanation:Worked out on paper shown below

Also I recommended a online app called (it has wierd name but it’s helpful for algebra) mathpapa

Also I do math in pen so the last answer is messed up it’s 4c^2d and then the rest of the parentheses.Sorry for that.

5 0
2 years ago
Please help me with this question
valentinak56 [21]
Radius= 33
Diameter = 66
Circumference = 207 yards
Area= 3,421 yards squared
Hope that helped :D
8 0
3 years ago
Digging a rectangular pool 42ft×29.5×8ft. Hauling truck holds 452.5 cubic feet of dirt. How many truck loads will it take to hau
kiruha [24]

It will take 22 truck loads to haul all the dirt away.

42×29.7×8=9912

9912÷425.5=42 truckloads

6 0
2 years ago
CUALES SON LOS GRADOS PARA HACER UNA GRAFICA DE PASTEL, CON LOS SIGUIENTES PORCENTAJES( 20%,50%,10%)
svlad2 [7]

Answer:

Lo primero que debemos saber, es que la gráfica de pastel nos permite dividir a una población, la cual sería el 100%, en porcentajes menores que representan algo.

En este caso tenemos los porcentajes 20%, 50%, 10%  (notar que no suman 100%, entonces nos falta algún porcentaje)

Bueno, como sabemos el gráfico (el cual es un círculo) representa el 100%.

Y en un círculo, tenemos un ángulo de 360°

Entonces comenzamos con la equivalencia:

360° = 100%

Entonces, ¿a que grado corresponde el 50%? Planteamos la ecuación:

x = 50%

Si tomamos el cociente entre las ecuaciones:

x = 50% y  360° = 100%

obtenemos:

x/360° = 50%/100%

resolviendo para x, obtenemos:

x = (50%/100%)*360° = 0.5*360° = 180°

Para los otros porcentajes hacemos lo mismo.

Para el de 20% tenemos:

y = 20%

planteamos la ecuación:

y/360° = 20%/100%

y = 0.2*360° = 72°

Finalmente, para el de 10% tendremos:

z = 10%

planteando la ecuación como antes:

z/360° = 10%/100%

z = 0.1*360 = 36°

Asi, hemos encontrado los grados correspondientes para cada porcentaje.

8 0
3 years ago
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