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3 years ago

Question 13 pls, that is the full question and there is no diagram

Mathematics

2 answers:

lions [1.4K]3 years ago

8 0

The side lengths are ratio 5:4
250 = LW
area smaller = (4/5)L(4/5)W
= (16/25)LW
= (16/25)(250)
= 160 ft^2

insens350 [35]3 years ago

3 0

For similar figures, the ratio of areas is the square of the ratio of linear dimensions. The smaller billboard requires
.. (4/5)^2 * 250 ft^2 = 160 ft^
of material.

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In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed sinc

coldgirl [10]

Answer:

Note: The full question is attached as picture below

a) Hо : p = 0.71

Ha : p ≠ 0.71

p = x / n

p = 91/110

p = 0.83.

1 - Pо = 1 - 0.71 = 0.29.

b) Test statistic = z

= p - Pо / [√Pо * (1 - Pо ) / n]

= 0.83 - 0.71 / [√(0.71 * 0.29) / 110]

= 0.12 / 0.043265

= 2.77360453

Test statistic = 2.77

c) P-value

P(z > 2.77) = 2 * [1 - P(z < 2.77)] = 2 * 0.0028

P-value = 0.0056

∝ = 0.01

P-value < ∝

Reject the null hypothesis. There is sufficient evidence to support the researchers claim at the 1% significance level.

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3 years ago

Write 0.5% as a decimal.

Pavlova-9 [17]

0.5% = 0.005
0.5% = 1/200

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3 years ago

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I, so confused please help me asap!

Tamiku [17]

Quadrilaterals are plane shapes that are bounded by four straight sides. Thus, the required answers to the questions are:

46. True. Other examples include kites, rhombus, etc.

47. False.

46. When a plane shape is bounded by four straight sides of equal or different lengths, it is called a quadrilateral. Examples include trapezium, kite, rhombus, rectangle, square, etc. Each of these examples has individual properties.

Thus the required answer to question 46 is; True. It can be observed that with respect to their individual properties, other quadrilaterals which have a pair of opposite angles to be equal include: kite, rectangle, rhombus, etc.

47. A ray segment is a given line that points or heads in a specific direction. So that the direction in which the ray moves is very important.

Thus in the given question, the required answer is; False. This is because the two given rays are moving in opposite directions. Though the two rays may have the same length of the segment.

For more clarifications on the properties of quadrilaterals, visit: brainly.com/question/21774206

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2 years ago

4/5,3/10 =. Please help

KengaRu [80]

Answer:

The answer would be 0,0754716981

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3 years ago

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Otrada [13]

Answer:

Blue square

Step-by-step explanation:

looking like rhombus because right angle is 90 degrees and a square has 4 right angles

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