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topjm [15]
3 years ago
9

A math tutor makes $12 an hour for the first 40 hours worked

Mathematics
2 answers:
tiny-mole [99]3 years ago
5 0
480 bucks:D :DmD there you go
Colt1911 [192]3 years ago
5 0
480 dollars cuz 12 time left 40 is 480
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Help! Please!!! I seriously need this!!!!!
Kitty [74]

Answer:

it's related by product of 5/3 and directly proportional

3 0
2 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the
Serga [27]

Answer:

Number of high quality version downloads = 880

Step-by-step explanation:

Let,

x be the number of standard version songs downloaded

y be the number of high quality version songs downloaded

According to given statement,

x+y=1600        Eqn 1

2.8x+4.1y=5624     Eqn 2

Multiplying Eqn 1 by 2.8 to eliminate x

2.8(x+y=1600)

2.8x+2.8y=4480     Eqn 3

Subtracting Eqn 3 from Eqn 2

(2.8x+4.1y)-(2.8x+2.8y)=5624-4480

2.8x+4.1y-2.8x-2.8y=1144

1.3y=1144

Dividing both sides by 1.3

\frac{1.3y}{1.3}=\frac{1144}{1.3}\\y=880

Hence,

Number of high quality version downloads = 880

3 0
3 years ago
What is the fraction that is less then 5/8
Rashid [163]

Answer:

4/6

Step-by-step explanation:

8 0
2 years ago
COMO SE SACA UNA TABLA DE FRECUENCIA?????=? URGENTE ES PA HOY
xz_007 [3.2K]

Answer:

Para construir una tabla de frecuencias, procedemos de la siguiente manera:

Construye una tabla con tres columnas. La primera columna muestra lo que se organiza en orden ascendente (es decir, las marcas). ...

Repase la lista de marcas. ...

Cuente el número de marcas de conteo para cada marca y escríbalo en la tercera columna.

8 0
2 years ago
For the function f(x) = x + 9, find (f o f-1)(5) A. 14 B. 5 C. -5 D. 25
Alex Ar [27]
F-1:
y=x+9
y-9=x
x-9=f-1
f-1(14)=14-9=5 f-1(5)=5-9=-4  f-1(-5)=-5-9=-14 f-1(25)=25-9=16
f(14)=14+9=24 f(5)=5+9=14 f(-5)=9-5=4 f(25)=25+9=34
5 0
3 years ago
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