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vladimir1956 [14]

3 years ago

14

elaine has a rectangular gift wrapper that measure 30 cm by 25 cm she wants to cut it into square sheets of the same size to be

used in her album what is the possible measure of square sheet side which will not have leftover (4 step plan)

1 answer:

12345 [234]3 years ago

6 0

Answer:

Square length of 5cm

Step-by-step explanation:

Given

$Length = 30cm$

$Width = 25cm$

Required

Determine the possible measure of square from the rectangular sheet

To do this, we simply calculate the greatest common factor (GCF) of the dimension of the rectangle.

$30 = 2 * 3 * 5$

$25 = 5 * 5$

The common factor is: 5

<em>Hence, the side length of the square is 5cm</em>

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In a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted o

Maksim231197 [3]

Answer:

324

Step-by-step explanation:

given that in a poll, 74% of the people polled answered yes to the question "Are you in favor of the death penalty for a person convicted of murder?"

i.e. Sample proportion $p=0.74\\q =1-p =0.26\\$

Margin of error = 4% = 0.04

Confidence level =90%

Z critical value for 90% = 1.645

Margin of error = 1.645 * std error

Hence std error = $\frac{0.04}{1.645} \\=0.0243$

Std error is also equal to

$\sqrt{\frac{pq}{n} } =\sqrt{\frac{0.74(0.26)}{n} } =0.0243\\\sqrt{n} =18..05\\n = 325.83~324$

Sample size should be 324.

The formula is sample size = (Z critical value)^2 (pq)/(Margin of error )^2

3 0

3 years ago

Given h(x) = –2 – 3, find h(-6).

igomit [66]

Answer

3

Step-by-step explanation:

h(-6)=-(-6)-3

h(-6)=6-3

h(-6)=3

4 0

3 years ago

It is believed that the best angle to fly a kite is 30 degrees. If you fly a kite at this angle and let out 200 feet of string,

poizon [28]

Answer:

200 feet of the ground at a thirty degrees angle does not make a difference .

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6 0

2 years ago

In the diagram, the dashed figure is the image of the solid figure. What is the image of BC?

lozanna [386]

___
RS is the answer.

7 0

3 years ago

Read 2 more answers

2/3x + 1/6 = -3/4x + 1

kupik [55]

$\frac{2}{3} x + \frac{1}{6} = -\frac{3}{4} x + 1$

First, simplify $\frac{2}{3} x$ to $\frac{2x}{3}$ / Your problem should look like: $\frac{2x}{3} + \frac{1}{6} = -\frac{3}{4} x + 1$
Second, simplify $\frac{3}{4} x$ to $\frac{3x}{4}$ / Your problem should look like: $\frac{2x}{3} + \frac{1}{6} = -\frac{3x}{4} + 1$
Third, multiply both sides by 12 (the LCM of 3 and 4) / Your problem should look like: $8x + 2 = -9x + 12$
Fourth, subtract 2 from both sides. / Your problem should look like: $8x = -9x + 12 - 2$
Fifth, simplify -9x + 12 - 2 to -9x + 10. / Your problem should look like: $8x = -9x + 10$
Sixth, add 9x to both sides. / Your problem should look like: $8x + 9x = 10$
Seventh, add 8x + 9x to get 17x. / Your problem should look like: $17x = 10$
Eighth, divide both sides by 17. / Your problem should look like: $x = \frac{10}{17}$

Answer as fraction: x = $\frac{10}{17}$
Answer as decimal: x = 0.5882

7 0

3 years ago