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posledela
3 years ago
5

Can someone explain this to me looe how to do it ​

Mathematics
1 answer:
Alexeev081 [22]3 years ago
8 0

Answer:

54 of 72 can be written as:

54/72

the answer is 75α0%

Step-by-step explanation:

54/72 x 100/100

=(54 × 100/72) ×  1/100=75/100

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Find the sum of the following ap .1) 1/15, 1/12, 1/10,....,to 11 terms​
sertanlavr [38]

Answer:

33/20

Step-by-step explanation:

1/12 - 1/15 = 5/60 - 4/60 = 1/60

d = 1/60

a_n = a_1 + d(n - 1)

a_11 = 1/15 + (1/60)(11 - 1)

a_11 = 1/15 + 1/6

a_11 = 4/60 + 10/60

a_11 = 14/60

a_11 = 7/30

a_12 = 14/60 + 1/60

a_12 = 15/60

a_12 = 1/4

s_n = n(a_1 + a_n)/2

s_11 = 11(1/15 + 7/30)/2

s_11 = 11(2/30 + 7/30)/2

s_11 = 11(9/30)/2

s_11 = 99/60

s_11 = 33/20

8 0
3 years ago
6.2×0.03= and tell me how you did it please ​
matrenka [14]

Answer:

0.186

Step-by-step explanation:

       6.2

<u>x    0.0</u><u>3</u>

           6

    1

       6.2

<u>x    0.0</u><u>3</u>     since 6*3=18, we have to carry the 1

        86

     1

       6.2

<u>x    0.0</u><u>3</u>

       186

       6.2

<u>x    0.</u><u>0</u><u>3</u>

        186

         0

       6.2

<u>x    0.</u><u>0</u><u>3</u>

       186

       00

       6.2

<u>x    </u><u>0</u><u>.03</u>

       186

       00

      0

       6.2

<u>x    </u><u>0</u><u>.03</u>

        186

+      00            add the partial products

<u>      0</u><u>0                   </u>

     00186

      6.2

<u>x    0.</u><u>03</u><u>     </u>                   count how many digits are after the decimal point      from each factor =3 and place in product

        186

+      00            

<u>      00                   </u>

     00.186=0.186

<em>answer=0.186</em>

8 0
3 years ago
Question 8 the price of a cup of coffee was $2.55 yesterday. today, the price fell to $2.40 . find the percentage decrease. roun
Alex787 [66]
The answer would be 5.9%
3 0
3 years ago
What is the quotient? 2 1/2÷(−1 3/4)
anastassius [24]

Answer:

2 \times \frac{1}{2}  \div ( -  \frac{13}{4})  =  \frac{5}{2}  \times  -  \frac{4}{3}  =  -  \frac{10}{13}

5 0
3 years ago
What is the approximate length of AB? <br><br>​
liq [111]

Answer:

2

Step-by-step explanation:

1. go to desmos Graphing calculator and select graphing calculator

2. Next type in the word length then it should look like this Length

3. Don't space just put this ( and type in the point it should look like this Length(-2,-3),(4,4)

4. Be sure to do double () it should look like this Length((-2,-3),(4,4))

5. It should give you your answer

6 0
2 years ago
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