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denis23 [38]
3 years ago
9

Plzzzz help me ??!?!?!??

Mathematics
2 answers:
True [87]3 years ago
5 0

Pythagorean Theorem is for right triangles

 right triangles have a 90 degree angle in them

 D is a right triangle

const2013 [10]3 years ago
3 0
D is the correct answer
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2/3 + 1/2 in simple form fractions
nata0808 [166]
Try and find the common denominator which is 6 since 2×3 is 6 then once u get ur denominator u have to find the numerator which would be 4/6+3/6 And that would equal 7/6 and if you would u would keep it like that but if u would have to change it into a mixed fraction it would be 1 and 1/6

Hoped this helped
3 0
3 years ago
Second​ dose, 122 of 676 subjects in the experimental group​ (group 1) experienced fever as a side effect. After the second​ dos
Oksanka [162]

Answer:

Step-by-step explanation:

Download docx
5 0
3 years ago
HELP TUTOR…<br> ss<br> z<br> z<br> z<br> z
kondor19780726 [428]

Answer:

A)σ = 15.37 miles per hour

B) σ = 55.10 miles per hour

C) 39.73 miles per hour

Step-by-step explanation:

Formula for standard deviation is;

σ = √(Σ(x - μ)²)/(n - 1)

A) For large wild cats;

μ = Σx/n = (70 + 40 + 30 + 40 + 35 + 35 + 35 + 35 + 10)/9 = 36.67

σ = √((70 - 36.67)² + (40 - 36.67)² + (30 - 36.67)² + (40 - 36.67)² + (35 - 36.67)² + (35 - 36.67)² + (35 - 36.67)² + (35 - 36.67)² + (10 - 36.67)²)/(9 - 1)

σ = √236.1139

σ = 15.37

B) For various birds;

μ = Σx/n = (218 + 106 + 97 + 56 + 66 + 39 + 55 + 32 + 54 + 20 + 25 + 25)/12

μ = 66.0833

σ = √((218 - 66.0833)² + (106 - 66.0833)² + (97 - 66.0833)² + (56 - 66.0833)² + (66 - 66.0833)² + (39 - 66.0833)² + (55 - 66.0833)² + (32 - 66.0833)² + (54 - 66.0833)² + (20 - 66.0833)² + (25 - 66.0833)² + (25 - 66.0833)²)/(12 - 1)

σ = √3035.72

σ = 55.10

C) difference in standard deviations = 55.10 - 15.37 = 39.73 miles per hour

8 0
3 years ago
Whick error did she do and what the correct answer
marusya05 [52]

Answer:

The second one. The -2y should have been +2y

Step-by-step explanation:

a negative multiplied by a negative gives you a positive

8 0
3 years ago
Read 2 more answers
A circle as 75 square centimeters . Which answer is closest of the measure of its radius
olchik [2.2K]

Answer:

≈ 4.89

Step-by-step explanation:

A = πr²

75 = 3.14 x r²

r² = 75 / 3.14 = 23.89

r = 4.89

4 0
3 years ago
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