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statuscvo [17]
3 years ago
15

A company that makes​ hair-care products had 9,000 people try a new shampoo. Of the 9,000 ​people, 54 had a mild allergic reacti

on. What percent of the people had a mild allergic​ reaction?
Mathematics
2 answers:
gladu [14]3 years ago
5 0
0.006 percent of the people had a mild allergic reaction.
velikii [3]3 years ago
3 0

Answer:0.6

Step-by-step explanation:

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What makes a graph proportional
Alla [95]

Answer

as x increases y increases and the ratio between them always stays the same

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Mr. Khan went for a trip in his car, which travels 14.5km/h on 1 liter petrol. The
Helga [31]

Answer:

25L

Step-by-step explanation:

19396.5 km - 19034.0 km = 362.5‬ km travled

362.5 km / 14.5 km/L = 25L

5 0
3 years ago
Al obtener el valor de lo que costará la fiesta de graduación para tu grupo te das cuenta que el lugar que decidieron alquilar p
dybincka [34]

Explicación paso a paso:

Debemos buscar el costo de cada boleto y la cantidad de personas que deben ir.

Dada la función que da forma al comportamiento expresado como;

f (x) = (-2x) ^ 2 + 80x + 300 donde;

x es el costo de cada boleto

f (x) es el número de personas que deben ir

Para obtener x, usaremos la expresión;

x = -b / 2a

De la ecuación cuadrática dada, a = -2, b = 80 yc = 300

Sustituir;

x = -80/2 (-2)

x = -80 / -4

x = 80/4

x = 20

Por lo tanto, el boleto cuesta $ 20.

Lo siguiente es obtener la cantidad de personas que deben ir. Para conseguirlo, sustituiremos x = 20 en la expresión modelada como se muestra;

f (x) = (-2x) ^ 2 + 80x + 300

f (20) = (-2 (20)) ^ 2 + 80 (20) +300

f (20) = (-40) ^ 2 + 1600 + 300

f (20) = 1600 + 1600 + 300

f (20) = 3500

Por lo tanto, 3500 personas tienen que ir

8 0
3 years ago
Write the equation, in the slope-intercept form, for the line shown in the graph below:
AysviL [449]

Answer:

y = -3x

Step-by-step explanation:

Slope is -3

8 0
3 years ago
O
Mariana [72]

Answer: anything below 5 hours

Step-by-step explanation:

If you do 5*7=35-3 for the coupon which equals $32 dollars.

4 0
3 years ago
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