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finlep [7]
3 years ago
9

PLEASE I NEED HELP ASAP

Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0

Answer: 3.5

Step-by-step explanation:

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two sides of a triangle measure to 20cm and 30cm. Which of the following could be measure by the third side
gizmo_the_mogwai [7]

Answer: With no choices given here, here are a few possibilities.

If it is not a right triangle, the third side could be any number less than 50 cm

If it is a right triangle, the third side could be the hypotenuse, which would be 10√13 or about 36.05 cm.

If 30cm is the hypotenuse, the other side would be 10√5 or about 22.36 cm

Step-by-step explanation: If the two given sides add up to 50, they flatten out to a straight line, equal to the third side, so it is no longer a triangle. The third side must be less than the sum of the other two sides.

We can use the Pythagorean Theorem a² + b² = c² to calculate the lengths of the sides of a right triangle.

For example

20² + 30² = c²

400 + 900 = c²

1300 = c²

√1300 = √(100)(13) = √c²

10√13 = c ≈ 36.05

5 0
3 years ago
Use tools when using fraction strips how do you know that two fractions are equivalent
Triss [41]
The all have the same parts and are equal
4 0
3 years ago
A bus traveled six hours at the constant speed of 36 miles per hour how far does the bus travel​
SVEN [57.7K]

Answer:

216 km is answer

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which rule will find the nth term of the arithmetic sequence<br> -58,-65, -72. -86,...?
Olenka [21]

Answer:

-85n - 7  = -92

Step-by-step explanation:

4 0
3 years ago
Use the formula to find the standard error of the distribution of differences in sample means, x¯1-x¯2 . Samples of size 110 fro
Volgvan

Answer:

2.104

Step-by-step explanation:

Data provided in the question:

For sample 1,

n₁ = 110

μ₁ = 94

s₁ = 14

For sample 2,

n₂ = 85

μ₂ = 72

s₂ = 15

Now,

Standard error = \sqrt{\frac{s^2_1}{n_1}+\frac{s^2_2}{n_2}}

or

Standard error = \sqrt{\frac{14^2}{110}+\frac{15^2}{85}}

or

Standard error = √4.43

or

Standard error = 2.104

7 0
3 years ago
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