3 years ago

Which phrase has the same meaning as the expression below?

Mathematics

1 answer:

abruzzese [7]3 years ago

4 0

Answer:

Step-by-step explanation:

because idid this in 8th grade it was frustrating

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dimaraw [331]

Answer:

2/5in x 3/5in

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2 years ago

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Polly bought a bag of s sour candies. She ate 74 of the candies. Write an expression that shows how many sour candies Polly has

swat32

Answer:

s-74

Step-by-step explanation:

She ate 74 candies, out of the total S candies. So, if we do S-74, well find how many are left.

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3 years ago

These two triangles are similar. Solve for X.

Paul [167]

Answer:

Hello I am not 100% on my answer but I would assume that X is 2.5 and Y is 6.5

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2 years ago

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GenaCL600 [577]

Answer:

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Step-by-step explanation:

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3 years ago

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Find the inverse of f(x)=(x−5)/(−4x−2)

uysha [10]

Answer:

${f}^{ - 1} (x)= \frac{ 5 - 2x }{ 4x + 1}$

Step-by-step explanation:

The given rational function is

$f(x) = \frac{x - 5}{ - 4x - 2}$

Let

$y = \frac{x - 5}{ - 4x - 2}$

Interchange x and y

$x= \frac{y- 5}{ - 4y - 2}$

Cross multiply

$x( - 4y - 2)= y- 5$

Expand

$- 4xy - 2x= y- 5 \\ - 4xy - y= 2x - 5 \\y( - 4x - 1)= 2x - 5$

Solve for y;

$y= \frac{ 2x - 5}{ - 4x - 1}$

$y= \frac{ 5 - 2x }{ 4x + 1}$

Therefore

${f}^{ - 1} (x)= \frac{ 5 - 2x }{ 4x + 1}$

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3 years ago