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Nadusha1986 [10]
3 years ago
13

A) My Piano Teacher, Dr. Sisulu, is teaching me to play a Sonata by Beethoven this week.

Mathematics
1 answer:
Andre45 [30]3 years ago
7 0

Answer:

It is A. It is right.

Step-by-step explanation:

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Which set of angle measures could be the measures of the interior angles of a triangle? please help me ​
marishachu [46]

Answer:

B. 60-60-60

Step-by-step explanation:

The interior angles of a triangle must add up to 180 degrees. The only set of numbers adding up to 180 is choice B.

8 0
3 years ago
6x2 +10x−1 discriminant
eimsori [14]

Answer:

124

Step-by-step explanation:

6 {x}^{2} +10x−1

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

{b}^{2} −4(ac)

Substitute in the values of a, b, and c.

{10}^{2} −4(6 \times (−1))

100−4(6(−1)

100−4(−6)

100 + 24

124

<h3>Hope it is helpful...</h3>

8 0
3 years ago
At the fair the 'Twirly Tea Cups'ride can hold nine people per tea cup.If the ride has seven tea cups,how many total people can
Kamila [148]

63 people should be able to fit in because 7 times 9 is 63.

If I'm wrong, contact me.

6 0
3 years ago
Read 2 more answers
I need help !!!!!!!!!!!!!
hoa [83]

Answer:

see below

Step-by-step explanation:

7 x 13    (split 13 into 10 + 3)

= 7 x ( 10 + 3)     (expand parentheses by distributive property)

= (7 x 10) + (7 x 3)

= 70 + 21

= 91

8 0
3 years ago
Bismuth-210 has a half-life of about 5 days. After 15 days, how many milligrams of a 600 mg sample will remain?
raketka [301]
Every 5 days the number is cut in half. So from 600 mg to day 5, the sample will be 300 mg. Then from day 5 to day 10, the sample will reduce to 150 mg. And finally, from day 10 to day 15, the sample will have reduced to:

75 mg

I hope this Helps!
5 0
3 years ago
Read 2 more answers
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