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2 years ago

Luci cuts a board that is 3/4 yard long into pieces that are 3/8. how many pieces does she cut

2 answers:

7 0

Luci cuts a board that is 3/4 yard long into pieces that are 3/8. The pieces she cut can be solve by dividing the board by length of the new board. The length of the ¾ yards long divided by the desired length of 3/8 yards which is equal to 2 pieces.

IrinaK [193]2 years ago

3 0

Answer:

The board will be cut into 2.66 pieces.

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Based on the information given we should first start by turning yards into inches and then calculating the size of the board by multiplying 3/4 by the amount of inches in a yard. Like so,

1 Yard ⇔ 36 inches

$36 * \frac{3}{4} = 27 in$

Now we can see that the board is 27 inches long. Now we need to find out how long a 3/8 piece is.

$27 * \frac{3}{8} = 10.125in$

Finally, we divide the length of the board by 10.125 inches to see how many pieces the board will be cut into.

$27 / 10.125 = 2.66$

The board will be cut into 2.66 pieces.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

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Suppose students' ages follow a skewed right distribution with a mean of 24 years old and a standard deviation of 3 years. If we

natta225 [31]

Answer: Option 'c' is correct.

Step-by-step explanation:

Since we have given that

Mean of students' age = 24 years

Standard deviation of students' age = 3 years

Sample size = number of students = 350

So, according to options,

a. The shape of the sampling distribution is approximately normal.

It is true as n >30, we will use normal.

b. The mean of the sampling distribution is approximately 24-years old.

It is true as it is given.

c. The standard deviation of the sampling distribution is equal to 5 years.

It is not true as it is given 3 years.

Hence, Option 'c' is correct.

8 0

2 years ago

If f(x) = −2 + 8, what is f(−1.8)? 4 6 10 12

zysi [14]

I think that you typed wrongly. That has to be f(x)= -2x+8
If f(x)= -2x+8, we can solve that problem.
We replace x= -1.8 in that expression, that means: f(-1.8)= -2x(-1.8)+8= 3.6+8=11.6

But if the formula of f(x)=-2+8, that means f(x) has a stable value and that value is -2+8=6.
So for all x we always have f(x)=f(-1.8)=6

8 0

2 years ago

باستعمال log4 2=0.5 فإن قيمة log4 32 هي

11Alexandr11 [23.1K]

Answer:

$\mathbf{\log_432}=2.5$

Step-by-step explanation:

$\log_42=0.5$

حن بحاجة إلى إيجاد $\log_432$

دع $\log_432=x$

$\log_42\times 2\times 2\times 2\times 2=x$

$\Rightarrow x=\log_42^5$

$\Rightarrow x=5\log_42$ $[\because \log_ab^x=x\log_ab]$

$\Rightarrow x=5\times0.5$

$\Rightarrow x=2.5$

$\mathbf{\therefore\log_432=2.5}$

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2 years ago

The formula for finding the interest on a loan is I = prt. Jack borrows $2,000 for 2 years at a rate of 2%. How much interest wi

bearhunter [10]

$i = p \times r \times t$
$i = 2000 \times .02 \times 2$
$2000 \times .02 = 40$
$40 \times 2 = 80$
$i = 80$

3 0

2 years ago

Read 2 more answers

A snack box contains at most 7 ounces of cheese. Fiona says the amount of cheese can be represented by 2x - 3. Which graph shows

Softa [21]

The function representing the number of ounces is:
2x - 3
Now, we are given the number of ounces = 7
Therefore:
2x - 3 = 7
We will solve this equation for x as follows:
2x-3 = 7
2x = 7 + 3
2x = 10
x = 5

Therefore, the number line representing this function will be the line having a solution ending at 5 (5 is included).

Therefore, the correct choice would be line B

7 0

2 years ago