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Katarina [22]
3 years ago
14

Maria practices the piano 5/6 of an hour every day how many hours does she practice in 4 days

Mathematics
2 answers:
Artemon [7]3 years ago
8 0

Answer:

she will have praticed 3 hours and 20 min

Step-by-step explanation:

Katarina [22]3 years ago
3 0

Answer:

20/6 or 3.33 or 3 1/3 or 3 hours and 20 mins

Step-by-step explanation:

5/6 * 4 = (5*4)/6 = 20/6

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3 years ago
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3. In the fig. AD = DC and AB = BC. Prove that ΔADB = ΔCDB<br>​
xxMikexx [17]

Answer:

The two column proof is presented as follows;

The given parameters are;

\overline {AD} = \overline {DC} and \overline {AB} = \overline {BC}

Statement               {}                     Reason

\overline {AD} = \overline {DC} and \overline {AB} = \overline {BC}       {}       Given

\overline {BD}  ≅  \overline {BD}               {}                    Reflexive property

\overline {BD}  =  \overline {BD}               {}                     By the definition of congruency

ΔADB ≅ ΔCDB             {}                By Side-Side-Side (SSS) rule of congruency

ΔADB = ΔCDB              {}                 By the definition of congruency

If the three sides of one triangle are congruent to the corresponding three sides of another triangle, then both triangles are said to be congruent according to the SSS rule of congruency

Step-by-step explanation:

7 0
3 years ago
Given the following triangle, if b = 9 and B = 15°, find a.<br><br> 0.27<br> 2.41<br> 33.59
SVEN [57.7K]
SOH,CAH, TOA so it would be TANGENT since it would be Opposite over Adjacent. Tan(15) = 9/a put Tan(15) onto your calculator it would be .267949 round that to .27 = 9/a cross multiply  
a = 33.588. C is the correct answer.
7 0
3 years ago
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Prove or disprove that the product of two irrational numbers is irrational
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Hi. The statement you gave is somewhat true, but not always. I disprove this and there are tons of websites that can help you with more in depth explanation. Have a good day.
6 0
3 years ago
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timurjin [86]

Answer:

Plot the points on:

(1,2)

(3,6)

(5,12)

(9,18)

Thats it.

5 0
2 years ago
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