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AVprozaik [17]
3 years ago
15

Che is buying a computer that costs $2 856. He pays with $100 bills. How many notes will he give the salesperson?

Mathematics
1 answer:
-BARSIC- [3]3 years ago
4 0

Answer:

28 notes (or bills)

Step-by-step explanation:

28.56 to be exact

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Determinan las siguientes tablas muestran magnitudes directamente correlaciones o directamente proporcionales
zheka24 [161]

Responder:

Los cuadros 89 y 91 presentan proporcionalidad directa

El cuadro 90 muestra una correlación directa.

Explicación paso a paso:

De la imagen adjunta:

Cuadro 89:

Para mostrar proporcionalidad directa:

y α x

y = kx; k = constante de proporcionalidad

Comprobando las tablas:

Cuadro 89:

A = 1,5; B = 3

B = kA; 3 = 1.5k

k = B / A

k = 3 / 1,5 = 2

Usando k = 2;

demuestre que B = 4 cuando A = 2; para establecer proporcionalidad directa.

B = 2 * 2 = 4

Por tanto, el cuadro 89 exhibe proporcionalidad directa

Comprobando las tablas:

Cuadro 90:

C = 2; D = 8

D = kC; 8 = 2k

k = 8/2 = 4

Usando k = 4;

demuestre que D = 9 cuando C = 3; para establecer proporcionalidad directa.

B

D = 4 * 3 = 12

De la tabla, D = 9;

Por tanto, el cuadro 90 presenta una correlación directa pero no una proporcionalidad directa.

Comprobando las tablas:

Cuadro 91:

E = 1; F = 1/2

F = kE; 1/2 = k

k = 1/2

Usando k = 1/2;

demuestre que F = 3/2 cuando E = 3; para establecer proporcionalidad directa.

F = 1/2 * 3 = 3/2

Por tanto, el cuadro 91 presenta proporcionalidad directa.

6 0
3 years ago
Sara drives 75km on 5 litres of petrol. How far could she travel on 1 litre?
Katyanochek1 [597]
75 km divided by 5 litres = 14 km
I hope this is right.
7 0
3 years ago
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On the blueprint of a house 27 millimeters represents 6 meters. The actual length of the living room is 9 meters. What is its le
worty [1.4K]

Answer: if 28 is 6 meters, 14 is 3 meters. 14 times 3 is 42

Step-by-step explanation: WAIT I WAS THINKING WRONG DONT LISTEN TO ME!

7 0
3 years ago
Luke shaded 20 squares on his hundreds grid Bella shaded 30 squares on her grid what two decimals are greater than Luke's decima
DanielleElmas [232]
I think it could be any 2 in between because it says greater than Luke's decimal which is .20 and less than Bekkas decimal which is .30
5 0
3 years ago
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What is four and ninety two hundredths
Kryger [21]
4.92.

4 is a whole number, so it goes in the ones place
The ths means it is going to be a decimal, so 92 goes two right of the decimal point. Hope this helped
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3 years ago
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