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3 years ago

Eleven less than three times a number

Mathematics

1 answer:

Zina [86]3 years ago

5 0

If you are looking for how to turn that worded problem into an equation...
Heres the answer you're looking for

3x-11

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What is the measure of angle B in the triangle?

Marat540 [252]

$180 - 120 = 60 \\ 60 - 16 = 44 \\ 44 \div 2 = 22$
x is 22
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4 years ago

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How do you do equivalent fractions ?

USPshnik [31]

They are equal fractions that go into each other. for example,
2/4 goes into 4/8

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3 years ago

514 divided by 9 as remainder

lesantik [10]

Answer:

57 and a remainder of 1 or 0.11.

Step-by-step explanation:

514dividedby9=57.1

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2 years ago

Write 504 as a product of primes. Use index notation when giving your answer.

Sergio039 [100]

Prime Factors of 504: 2, 3, 7

23 × 32 × 71 where 2, 3, 7 are prime.

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3 years ago

The weights of a certain dog breed are approximately normally distributed with a mean of μ = 55 pounds, and a standard deviation

weqwewe [10]

Answer:

(a)z=-1

(b)48.5 pounds

Step-by-step explanation:

$z-score=\dfrac{x-\mu}{\sigma}$

Given:

Mean, μ = 55 pounds

Standard deviation,σ = 6 pounds.

(a)For a dog that weighs 49 pounds.

x=49 pounds

The z-score

$=\dfrac{49-55}{6}\\=\dfrac{-6}{6}\\\\=-1$

(b)When a dog has a z-score of -1.09

$-1.09=\dfrac{x-55}{6}\\x-55=-6.54\\x=55-6.54\\x=48.46 \approx 48.5$ pounds (to the nearest tenth)$

The weight of a dog with a z-score of -1.09 is 48.5 pounds.

(c)When a dog has a z-score of 1.09

$1.09=\dfrac{x-55}{6}\\x-55=6.54\\x=55+6.54\\x=61.54 \approx 61.5$ pounds (to the nearest tenth)$

The weight of a dog with a z-score of 1.09 is 61.5 pounds.

3 0

3 years ago