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givi [52]
2 years ago
15

Alissa has $360 for guitar lessons. She pays $25 for each lesson. How many lessons has she attended, if she still has $85 left?

Mathematics
1 answer:
bagirrra123 [75]2 years ago
7 0

Answer:

11 lessons

Step-by-step explanation:

360-85=275

275/25=11

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Complete the following proof. Given: Points R, S, T, Q on circle O Prove: m\overarc RS + m\overarc ST + m\overarc TQ + m\overarc
LekaFEV [45]

Answer:

360°

Step-by-step explanation:

From the figure attached,

R, S, T and Q are the points on a circle O.

Since, "measure of an arc of a circle is equal to the measure of the angle subtended by the arc at the center."

By this statement,

m(\widehat{RS})=m(\angle ROS)

m(\widehat{ST})=m(\angle SOT)

m(\widehat{TQ})=m(\angle TOQ)

m(major arc RQ) = m(∠QOR)

Now m(\widehat {RS})+m(\widehat{ST})+m(\widehat{TQ}) + m(major arc RQ) = m(\angle ROS)+m(\angle SOT)+m(\angle TOQ)+m(\angle QOR)

Since sum of all angles at a point = 360°

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4 0
1 year ago
How many 1.1 centimeters length can be made from a string that is 5.093 centimeters long ​
Lesechka [4]

Answer:

4

Step-by-step explanation:

    (whole string length) ÷ (1.1 cm pieces)

     5.093  ÷   1.1   =  <u>4</u>.63

                                           

         The answer, 4.63 is a whole number, 4, plus a remaninder of 63/100.

          The whole number part, the 4, is the answer.

                         

7 0
1 year ago
The polynomial 10x3 + 35x2 − 4x − 14 is factored by grouping.
vova2212 [387]

Answer: the coomon factor that is missing from both sets of parentheses is 2x + 7.


Explanation:


These are the steps to factor the polynomial with the reasons that justify them:


Step                                                   Reason

1. 10x³ + 35x² - 4x - 14                       Given

2. (10x³ + 35x²) - (4x + 14)                 Group the terms

3. 5x² (2x + 7) - 2 (2x + 7)                Common factor 5x² and 2


After this, you extract common factor 2x + 7 and have the complete factored polynomial: (2x + 7) (5x² - 2).

7 0
2 years ago
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Anon25 [30]

Answer:

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Step-by-step explanation:

8 0
2 years ago
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A plot of land is about 13,000 ft by 8000 ft. Approximately how many square miles is this? Round to the nearest whole number.
Ivan
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2.46 x 1.52 = 3.7 miles^2
4 0
1 year ago
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