3 years ago

Can someone please help me with this question?

Mathematics

1 answer:

pentagon [3]3 years ago

4 0

z = 4/5

If you take the cube roots of 64 and 125, you get 4 and 5 respectively.

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ratelena [41]

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Is the triangle with side lengths of 18cm, 24cm and 30 cm a right triangle ?

kumpel [21]

If a, b and c are the lengths of a right triangle and c is the longest side, then:

$a^2+b^2=c^2$

We have a = 18cm, b = 24cm and c = 30cm. Substitute and check:

$L_s=18^2+24^2=324+576=900\\\\R_s=30^2=900\\\\L_s=R_s$

<h3>Answer: It's the right triangle.</h3>

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4 years ago

Find the measure of ZDCF. C F mDF = 49 G E MEG = 127 Find the measure of angle DCF

AleksandrR [38]

Answer:

Step-by-step explanation:

Comment

If two secants intersect outside a circle (as these two do) then the angle at which they meet is 1/2 the difference between the intersected arcs. Put much simpler <DCF = 1/2 (arc EG - arc DF)

Givens

Arc EG = 127

Arc DF = 49

Solution

<DCF = 1/2(127 - 49)

<DCF = 1/2(78)

<DCF = 39

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velikii [3]

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3 years ago