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pychu [463]
4 years ago
7

Please how to solve this question

Mathematics
2 answers:
meriva4 years ago
5 0

Answer:

triangle and square

Roman55 [17]4 years ago
5 0

Answer:

An Equilateral Triangle and Square/Rhombus.

Explanation: An equilateral triangle uses three toothpicks because it has 3 sides and a square or rhombus uses 4 because it has 4 sides

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Angles J X M, M X N, and N X P form a straight line. Angle M X N is a right angle.
choli [55]

Answer:

123 degrees

Step-by-step explanation:

180 - 57 = 123

7 0
2 years ago
Help Pleaseeee. Find the hypotenuse.
ivann1987 [24]

I don't because I can't see

8 0
3 years ago
Please help with 7,8,9,10 and bonus
sergejj [24]
7 is 8.16

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3 0
3 years ago
A= P(1+nr) ; solve for r
Ugo [173]
The answer is r = -1/n+A/n
4 0
3 years ago
A radioactive isotope has a half life of 4.51 days. If 12.63 grams are now present, how much will be left after 15
Marizza181 [45]

Answer:

Step-by-step explanation:

f=ir^t\\ \\ \frac{1}{2}=r^{4.51}\\ \\ ln(0.5)=4.51lnr\\ \\ r=e^{\frac{ln0.5}{4.51}}\\ \\ r\approx 0.8575\\ \\ f(15)=12.63(0.8575^{15}\\ \\ f(15)\approx 1.26g

7 0
3 years ago
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