3 years ago

A rectangle has an area of 24 cm. Function f gives the length of the rectangle, in centimeters,

Mathematics

1 answer:

zheka24 [161]3 years ago

3 0

Answer:

do you have a picture of the problem as well?

Step-by-step explanation:

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What is the solution to: <br> T/t-4=t+4/6

S_A_V [24]

$\frac{t}{t-4}= \frac{t+4}{6} \\ t \neq 4 \\ 6t= (t+4)(t-4) \\ 6t=t^2-16 \\ t^2-6t-16=0 \\ D=b^2-4ac=(-6)^2-4*1*(-16)=36+64=100 \\ t_{1,2}= \frac{-bб \sqrt{D} }{2a} \\ t_1= \frac{6-10}{2}=-2 \\ \ t_2= \frac{6+10}{2}=8$

Answer: t=-2, t=8

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3 years ago

Which is the graph of x-y= 1?

Bas_tet [7]

I have no idea like I do not know like I have no clue what is going on

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3 years ago

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What is the formula for a ratio? Is the x-axis horizontal or vertical? Which points are on the y-axis (0, 6)?

Cerrena [4.2K]

Answer:

formula for ratio: you can write a ratio with :, or, /

x axis is horizontal

0= x axis 6= y axis

Step-by-step explanation:

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2 years ago

Farida bought 20 stamps consisting of 20 sen stamps and 60 sen stamps. The total cost of the stamps is RM8.80. How many 20 sej s

krek1111 [17]

Answer:

# of 20cent stamps = 8

Step-by-step explanation:

Let the number 20cent stamps be = x

Let the number 60 cents stamps be = y

Total number of stamps => 20 = x + y ----------- ( 1 )

Total cost of the stamps = 8.80

That is, 0.20x + 0.60y = 8.80 ------------- ( 2 )

( 2 ) => 20x + 60y = 880

=> x + 3y = 44

=> x = 44 - 3y

Substitute x in ( 1 ) => x + y = 20

44 - 3y + y = 20

- 2y = 20 - 44

- 2y = - 24

2y = 24

y = 12

Substitute y = 12 in ( 1 ) => x + y = 20

x + 12 = 20

x = 8

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3 years ago

Find the circumference of each circle. Use your calculator's value of p. Round your answer to the nearest tenth.

kicyunya [14]

Step-by-step explanation:

2*22/7*5=31.42857143

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3 years ago