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likoan [24]
3 years ago
11

I need help with 3 questions! In attachments............. 1 done

Mathematics
1 answer:
aev [14]3 years ago
5 0
Hello the correct answer is d have a great one
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How to change 2% as a decimal
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So 2% is 2/100. That would be 0.02.
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3 years ago
For what values of k does the equation kx²+(k+1)+k=0 have equal roots?​
Paladinen [302]

Answer: k=-1/x^2+2

         

Step-by-step explanation:

8 0
3 years ago
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If you read can read 40 pages in 2 hours, how many pages can you read in 5 hours?
Pavlova-9 [17]
You can read 100 pages in 5 hours.

40 pages in 2 hours. We need to get the unit rate. In this case, we need to get the number of pages read in 1 hour.

40 pages ÷ 2 hours = 20 pages per hour.

20 pages per hours * 5 hours = 100 pages.
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3 years ago
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The sum of two consecutive odd integers is 20 less than four times the smaller of the two integers. Which of the following equat
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6 0
3 years ago
Maritza esta vendiendo una bicicleta seminueva que ya no utiliza. Como le costo doscientos soles, incluido IGV, ahora la venderá
Sophie [7]

Answer:

Ok, primero, como lo deducimos gráficamente?

Sigamos estos pasos.

Dibujemos en una recta, la distancia entre el punto 0 soles y el precio de la bicicleta = 200 soles.

200 soles representa el 100%.

Ella lo quiere vender al 80% (o le quiere restar el 20%).

Entonces, con una regla, medir la distancia entre 0 soles y 200 soles.

Dividir esa cantidad por 10. (cada una de estas cantidades va a representar un 10%)

Multiplicar eso por 8.

Esa cantidad es el equivalente al 80% del precio de la bicicleta.

Abajo hay un dibujo donde se ve el método.

Una forma mas matemática de resolverlo es:

200 soles = 100%.

x soles = 80%

x es el precio al que ella va a vender la bicicleta:

Veamos el cociente de esas dos ecuaciones:

200/x = 100%/80%

x = 200*(80%/100%) = 160

Ella vendería la bicicleta en 160 soles.

8 0
3 years ago
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