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3 years ago

Arnold bought 2 3/4 yards of string. He needs to cut it into pieces 1/4 yard lang. How many nieces can he get?

Mathematics

1 answer:

dsp733 years ago

8 0

Answer:

Step-by-step explanation:

convert the mixed number into an improper fraction

2¾ = 11/4

(2¾)÷(¼) = (11/4)÷(¼) = (11/4) × (4/1) = 11

11 pieces

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Scott is on his school's academic team. On average, it takes Scott 4 minutes, with a standard deviation of 0.25 minutes, to solv

uysha [10]

Answer:

15.87% is the chance that Scott takes more than 4.25 minutes to solve a problem at an academic bowl.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 4 minutes

Standard Deviation, σ = 0.25 minutes

We standardize the given data.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(more than 4.25 minutes to solve a problem)

$P( x > 4.25) = P( z > \displaystyle\frac{4.25 - 4}{0.25}) = P(z > 1)$

$= 1 - P(z \leq 1)$

Calculation the value from standard normal z table, we have,

$P(x > 4.25) = 1 - 0.8413 = 0.1587 = 15.87\%$

Thus,15.87% is the chance that Scott takes more than 4.25 minutes to solve a problem at an academic bowl.

8 0

3 years ago

Seriously I haves to do this again pls answer for real

Sveta_85 [38]

Answer
1/15
Step by step explanation
Add all numbers up and then divide the number of newspapers by the total numbers added up and simplify

6 0

3 years ago

Plz Help

netineya [11]

Answer is 9r

Because 9x3 is 27
Also no clue about the brainliest thing

3 0

3 years ago

What is the partial products that results from multiplying 15 times 32

sergejj [24]

See attached PDF. (The censor thinks there are some unseemly words in there.)

Download pdf

6 0

3 years ago

What is 50 x 79 x 27 + 69

vova2212 [387]

106,719

Answer:

$50 \times 79 \times 27 + 69 \\ \\ = 106,650 + 69 \\ \\ = 106,719$

8 0

3 years ago

Read 2 more answers