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3 years ago

A rectangular window is 4ft long and 3ft wide what is the area in square inches

Mathematics

2 answers:

zimovet [89]3 years ago

7 0

Answer:

1728 inches

Step-by-step explanation:

Convert each measurement to inches:

1 foot = 12 inches
4 ft = 12 × 4 = 48 inches
3 ft = 12 × 3 = 36 inches

Find the area:

48 × 36 = 1728

I hope this helps!

Gnoma [55]3 years ago

3 0

Answer: 12 inches squared

Step-by-step explanation: 3x4

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A survey of 400 non-fatal accidents revealed that 268 involved a distracted driver using some kind of electronic device. Constru

Misha Larkins [42]

A 95% confidence interval for the proportion of non-fatal accidents involving a distracted driver using some kind of electronic device is 62.5%<x<71.61%

The 95% confidence interval for the proportion is expressed according to the formula;

$CI=p\pm z\sqrt{\frac{p(1-p)}{n} }$

p is the proportion = 268/400 = 0.67

z is the 95% z-score = 1.96

n is the sample space = 400

Substitute the given parameters into the formula to have:

$CI=0.67\pm 1.96\sqrt{\frac{0.67(1-0.67)}{400} }\\CI=0.67\pm 1.96\sqrt{\frac{0.67(0.33)}{400} }\\CI=0.67\pm 1.96(0.0235)\\CI=0.67 \pm 0.0461\\CI=(0.67-0.0461, 0.67+0.0461)\\CI=(0.624, 0.7161)\\CI = (62.4 \%, 71.61 \%)$

Hence a 95% confidence interval for the proportion of non-fatal accidents involving a distracted driver using some kind of electronic device is 62.5%<x<71.61%

Learn more on confidence interval here: brainly.com/question/17212516

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3 years ago

Why are the triangles congruent?

mrs_skeptik [129]

Two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

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2 years ago

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With this diagram, what could be the values of m and n?

Arada [10]

Answer:

third one m=6 and n=-4/3

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3 years ago

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❗️❗️❗️❗️PLEASE HELP MEEE❗️❗️❗️❗️

koban [17]

For this case we have the following inequality:
$- \frac{1}{2}x \ \textgreater \ 6$
We multiply both sides of the equation by -1.
By doing this, change the symbol of the inequality.
We have then:
$\frac{1}{2}x\ \textless \ -6$
From here, we clear the value of x.
We have then:
$x \ \textless \ (2) (- 6)
$
$x \ \textless \ -12
$
Answer:
The solution set is:
{x | x R, x < -12}

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4 years ago

Rewire the rational exponent as a radical

Mice21 [21]

Answer:

$\large\boxed{\sqrt[3]{\left(\dfrac{15}{4}\right)^2}}$

Step-by-step explanation:

$a^\frac{n}{m}=\sqrt[m]{a^n}\\---------------------\\\\\left(5\times\dfrac{3}{4}\right)^\frac{2}{3}=\left(\dfrac{5\times3}{4}\right)^\frac{2}{3}=\left(\dfrac{15}{4}\right)^\frac{2}{3}=\sqrt[3]{\left(\dfrac{15}{4}\right)^2}$

Answer:

$\large\boxed{C.\ \sqrt5}$

Step-by-step explanation:

$\left(5^\frac{3}{4}\right)^\frac{2}{3}\\\\\text{Use}\ (a^n)^m=a^{nm}\\\\5^{\frac{3}{4}\cdot\frac{2}{3}}=5^{\frac{1}{2}\cdot\frac{1}{1}}=5^\frac{1}{2}=\sqrt[2]5=\sqrt5$

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3 years ago