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Elena-2011 [213]
3 years ago
9

PLEASE HELP ME :( i’m struggling.

Mathematics
1 answer:
Alona [7]3 years ago
4 0

Step-by-step explanation:

letter B just tap that I already compute it.

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Fraction <br> 2/5 decimal equivalent
Bumek [7]

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0.4

Step-by-step explanation:

so its easy LOOK IT UP

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4 years ago
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What kind of triangle is 15,16,21
maw [93]

Answer:

here is my answer is took me alot of time

Step-by-step explanation:

The calculator solves the triangle specified by three of its properties. Each triangle has six main characteristics: three sides a, b, c, and three angles (α, β, γ). The classic trigonometry problem is to specify three of these six characteristics and find the other three. Of course, our calculator solves triangles from any combinations of main and derived properties such as area, perimeter, heights, medians, etc. Usually by the length of three sides (SSS) or side-angle-side or angle-side-angle.

How does this triangle calculator solve a triangle?

The calculation of the general triangle has two phases:

expert phase - which is different for different tasks. From the entered data, the calculator tries to calculate the sizes of three sides of the triangle. He gradually applies the knowledge base to the entered data, which is represented in particular by the relationships between individual parameters of the triangle. These are successively applied and combined, and the parameters of the triangle calculate. Calculator iterate until the triangle has calculated all three sides.

For example, from the given area of the triangle and the corresponding side, the appropriate height is calculated. From the known height and angle, the adjacent side, etc., can be calculated. They use knowledge, e.g., formulas (relations) Pythagorean theorem, Sine theorem, Cosine theorem, Heron's formula, solving equations and systems of equations.

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3 0
3 years ago
Assume that 21.6​% of people have sleepwalked. Assume that in a random sample of 1487 ​adults, 359 have sleepwalked. a. Assuming
Alja [10]

Answer:

a. The probability that 359 or more of 1487 adults sleepwalked is zero (0).

b. Yes, it's significantly higher than the 21.6% of people who sleepwalked.

c. The result suggests 321 adults.

Step-by-step explanation:

a. The assumed 359 sleepwalked adults exceed the 21.6% correct rate. 359 sleepwalked adults give 24.1%.

b. Yes, it is significantly high because it's 24.1% instead of correctly assumed 21.6%.

c. 21.6% sleepwalked adults give 321.2 people. Hence, people can only be in whole of numbers. Therefore, it is 321 adults.

3 0
3 years ago
In the diagram, what is m ASR?<br> MZVSR=<br> RS U<br> Wandern<br> Im
MAVERICK [17]

Answer:

m angle VSR=80°

Step-by-step explanation:

Lines must always be 180° and VSU is already 100° because VSR is supplementary it is 80

5 0
4 years ago
What is solution to the inequality -8x - 15 &gt; 9
nika2105 [10]

Answer:

D

Step-by-step explanation:

Which is x < -3

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