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3 years ago

Find unknown measure of rectangle for width if perimeter is 62 centimeters and length is 16 cm.

Mathematics

1 answer:

SVETLANKA909090 [29]3 years ago

5 0

Answer: The width of the rectangle is 3.875.

Step-by-step explanation:

Use the formula P = LW

Rearrange the formula to read W = P/L

Put the numbers in the formula and solve.

(See image)

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Solve for n: 21 K - 3n + 9 p is greater than 3 p + 12

Digiron [165]

Answer:

n > p + 1 + 7k

Step-by-step explanation:

21k - 3n + 9 > 3p + 12

21k - 3n > 3p + 12 - 9

3n > 3p + 3

3n > 3p + 3 + 21k

n > (3p + 3 + 21k)/3

n > p + 1 + 7k

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2 years ago

Prove that the decimal 8.72 is rational by finding its fractional form.

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Step by step solution

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2 years ago

State if these 3 numbers can be the measures of the sides of a triangle.

ser-zykov [4K]

Answer: yes it can be a measure of a triangle

I hoped i helped you and can i have brainliest if it's ok? ty

Sides: a = 6 b = 11 c = 13

Area: T = 32.863

Perimeter: p = 30

Semiperimeter: s = 15

3 0

2 years ago

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ABCD is a quadrilateral and a line through A parallel to BC meets DC at X. If angle D=angle C , prove that ADX is isosceles.

r-ruslan [8.4K]

Answer:

see picture below

Step-by-step explanation:

7 0

1 year ago

Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

3241004551 [841]

Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

$p = 40\%$ -- proportion of baseball players

$n = 781$ --- selected sample

Required

Determine P(p>43%)

First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *(1 - 0.40)}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *0.60}{781}}}$

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.24}{781}}}$

$Z = \frac{0.03}{\sqrt{0.00030729833}}$

$Z = \frac{0.03}{0.01752992669}$

$Z = 1.71$

So:

$P(p>0.43) = P(Z>1.71)$

$P(p>0.43) = 1 - P(Z$

$P(p>0.43) = 1 - 0.9564$

$P(p>0.43) = 0.0436$

5 0

2 years ago