3 years ago

What is the simplified form of -(x-4) -x-4 -x+4 X+4 X-4 Show your work

Mathematics

1 answer:

Sphinxa [80]3 years ago

7 0

Answer:

Step-by-step explanation:

X-4

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the breadth of a rectangular painting is 65 cm. its length is 137 cm more than its breadth. what is the area of the painting?

Marysya12 [62]

Answer:

8,905cm²

Step-by-step explanation:

Area= Length × Breadth

=137cm × 65cm

= 8,905cm²

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3 years ago

–4k + 5 ≤ 21 i need help please

Allushta [10]

Answer :
inequality form: k ≥ -4
OR
interval form: [-4, ∞)

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Suppose that the weights of 5400 registered female Labrador retrievers in the United States are distributed normally with a mean

Maurinko [17]

Answer:

$N= 4543$ Labrador retrievers

Step-by-step explanation:

We know that the mean $\mu$ is:

$\mu = 62.5$

and the standard deviation $\sigma$ is:

$\sigma=2.5$

The probability that a randomly selected Labrador retriever weighs less than 65 pounds is:

$P(X$

We calculate the Z-score for X =65

$Z = \frac{X-\mu}{\sigma}\\\\Z =\frac{65-62.5}{65}=1$

$P(X$

Looking in the table for the standard normal distribution we have to:

$P(Z$ .

Finally the amount N of Labrador retrievers that weigh less than 65 pounds is:

$N = P(X$

$N = 0.8413*5400$

$N= 4543$ Labrador retrievers

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3 years ago

What is the volume of sphere with a 10 inch radius?

Anarel [89]

The answer is 4188.79 inches

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3 years ago

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Answer QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Vaselesa [24]

Answer:

half of a number is 15

Step-by-step explanation:

An equation must contain an equality sign.

The third option is the only phrase that can be represented as an equation: $\frac{x}{2}=15$

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