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3 years ago

12

amal says that 1/4 of rectangle is shaded, cadence says that 1/2 of rectangle is shaded, Jim says that 1 rectangle is shaded. de

scribe what each student used as the whole .

1 answer:

Marrrta [24]3 years ago

3 0

Each student used a rectangle<span />

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What is the value of x?

kozerog [31]

Answer:

x = 35

Step-by-step explanation:

Since they are vertical angles, the angles are congruent and therefore you can set them equal to each other.

4x + 20 = 3x + 55

Have x on one side of the equation by subtracting 3x from both sides.

x + 20 = 55

Subtract 20 from both sides of the equation.

x = 35

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3 years ago

1) A sprint runner can run 10 laps around a track in

Arada [10]

Answer:

so, 10 laps in 25 mins we want to make mins=1 so

10/25=2/5 times 5/5=2/5

if you multiply 2/5 by 2/2 then you get 4/10 and 4/10=0.4

the runner can run 0.4 or 2/5 lap in 1 minute

Step-by-step explanation:

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2 years ago

PLZ HELP ME ITS FOR ALGEBRA

oksano4ka [1.4K]

Answer:

?

Step-by-step explanation:

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3 years ago

The inverse of an exponential function is the logarithmic function. True or False?

patriot [66]

For one-to-one functions, the inverse of an exponential function is a logarithmic function and the inverse of a logarithmic function is an exponential function.
For example:
$f(x)=e^{x}$
$f^{-1} (x)=ln\ x$

$f(x)=ln\ x$
$f^{-1} x=e^{x}$

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3 years ago

Five pencils and 4 erasers cost $7.65. Four pencils and 5 erasers cost $7.20.What is the cost of 2 erasers?

Arturiano [62]

I think this is right.. I tried my best. If u get it sorry... I’m very sorry

1. Divide 7.20 by 4 since the 4 are the pencils

2.divide 7.20 by 5 ( 5 represents the erasers )

3. Then finally multiply 1.44 from 7.20/5 and
2 and u get 2.88

8 0

3 years ago