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ankoles [38]
3 years ago
10

Nolan surveyed 350 students at his middle school. Pizza was the favorite lunch of 42% of the students. How many students chose p

izza?
Mathematics
1 answer:
Karolina [17]3 years ago
6 0

Answer:

147

Step-by-step explanation:

10% = 350/10 = 35

35 x 4 = 140

1% = 350/100 = 3.5

3.5 x 2 = 7

7+140 = 147

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Somebody tell me this ...
Sloan [31]
I think y= -9/12x + .5
4 0
2 years ago
2. El perimetro de un rectangulo es 64 pies. Su largo es 12 pies mas que 3 veces su ancho. Halla las dimensiones del rectangulo
Afina-wow [57]
Ancho= x
Largo= 3x+12 ("12 pies más (adición) que 3 veces (multiplicación) su ancho (x)")

<span>En el problema incluyen el perímetro (la suma de todos los lados de una figura). </span>En un rectángulo, los lados opuestos son congruentes, así que para calcular el valor de x, tenemos que sumar nuestras ecuaciones.

(3x+12)+(3x+12)+x+x=64
8x=64-24
x=40/8
x=5

Luego lo único que queda hacer es substituir el valor de x en cada ecuación para calcular los valores que te piden.



4 0
2 years ago
If f(x) = (-x)^3, what is f(-2)?<br> -6<br> -8<br> 8<br> 6
lys-0071 [83]

Answer:

The answer is 8

Step-by-step explanation:

Plug -2 in for x. The double-negative inside the parenthesis makes it positive, then do the exponent.

6 0
3 years ago
Read 2 more answers
Please help ASAP give you 20 points and brainiest
GuDViN [60]

Answer:

Total charge= -25

Step-by-step explanation:

Given :

Charges of some ions

Aluminium    +3

Phosphate     -3

Chloride         -1

Silver               +1

To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms

Aluminium    +3 × 2 =+6

Phosphate     -3 × 8 = -24

Chloride         -1 × 7 = -7

total charge=

+6-24-7 =+6 -31

= -25

6 0
3 years ago
Is it point A Point C Point H or Point L
Oksanka [162]

Answer:

Step-by-step explanation:

La vaca

El pato

4 0
3 years ago
Read 2 more answers
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