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2 years ago

Solve the math problems

Mathematics

1 answer:

Rasek [7]2 years ago

8 0

Answer:

13, 7, 60, 71, 42, 29, 21, 66, 69, 22.

Step-by-step explanation:

Hope it's helpful

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How many acute/obtuse/right angles does a pentagon have

KengaRu [80]

5 obtuse no acute and no right

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3 years ago

A^-1/[a^-1 - b^-1] + a^-1/[a^-1 + b^-1]

o-na [289]

$\dfrac{a^{-1}}{a^{-1}-b^{-1}}+\dfrac{a^{-1}}{a^{-1}+b^{-1}}=a^{-1}\left(\dfrac{a^{-1}+b^{-1}}{(a^{-1}-b^{-1})(a^{-1}+b^{-1})}+\dfrac{a^{-1}-b^{-1}}{(a^{-1}+b^{-1})(a^{-1}-b^{-1})}\right)$

$=a^{-1}\left(\dfrac{(a^{-1}+b^{-1})+(a^{-1}-b^{-1})}{a^{-2}-b^{-2}}\right)$

$=\dfrac{2a^{-2}}{a^{-2}-b^{-2}}$

$=\dfrac{2b^2}{b^2-a^2}$

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3 years ago

Read 2 more answers

Savatey [412]

Answer:

Step-by-step explanation:

(X1, Y1) = (-3,-2)

(X2,Y2)=(4,8)

SLOPE= (Y2-Y1) / (X2-X1)

= (8-(-2)) / (4-(-3))

=(8+2) / (4+3)

= 10/7

Hope it was helpful

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3 years ago

Find the area of the rectangle:

kumpel [21]

10 ft and 2 because I did the math

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2 years ago

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Janette has 6 puppies. she gives away 3. how many does she have left?

kvasek [131]

Um 3 unless she gave them away to her brother then she still would have 6

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3 years ago