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Tanya [424]
3 years ago
10

Let an optimus prime be a prime number whose digit sum is also a prime number. How

Mathematics
1 answer:
kodGreya [7K]3 years ago
4 0

Answer:

7

Step-by-step explanation:

2 = 2 ✓

3 = 3 ✓

5 = 5 ✓

7 = 7 ✓

11 = 1 + 1 = 2 ✓

13 = 1 + 3 = 4 ×

17 = 1 + 7 = 8 ×

19 = 1 + 9 = 10 ×

23 = 2 + 3 = 5 ✓

29 = 2 + 9 = 11 ✓

I hope this helps you :)

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Solve 2(3x-5)-3(6-4x)+(15x+3)
nadya68 [22]

Answer:

33x-25

Step-by-step explanation:

2(3x-5)-3(6-4x)+(15x+3)

6x-10-18+12x+15x+3

21x+12x-10-18+3

=33x-25

5 0
3 years ago
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1/3 + 1/4 + 1/6<br> PLEASE SHOW WORK, thank you
Dovator [93]

Answer:

3/4

Step-by-step explanation:

1/3 + 1/4 + 1/6

notice that the denominators consists of the numbers 3, 4 and 6 and that the lowest common multiple for all 3 numbers is 12, hence all these fractions can be expressed with a denominator of 12

i.e

1/3 = 4/12

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1/6 = 2/12

hence,

1/3 + 1/4 + 1/6

= 4/12 + 3/12 + 2/12

= (4+3+2) / 12

= 9/12  (simply)

= 3/4

3 0
3 years ago
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Joshua wants to buy a flat-screen TV that costs $625. He saves $62.50 each week to buy the TV. In how many weeks will he have en
MissTica

Answer:

<h2><u><em>C. 10 weeks</em></u></h2>

Step-by-step explanation:

Joshua wants to buy a flat-screen TV that costs $625. He saves $62.50 each week to buy the TV. In how many weeks will he have enough money to make his purchase?

A. 8

B. 9

C. 10

D. 11

cost of television divided by weekly savings = number of weeks

625 : 62.50 = 10 weeks

6 0
3 years ago
A 100 - sqaure grid has 70 shaded sqaures . Explain how you could express this model as a fraction , percent , and decimal.
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Answer:

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Step-by-step explanation:

If you have 100 squares and 70 of those squares are shaded, your answer would 70/100.

4 0
3 years ago
Which list contains only rational numbers?
Lelechka [254]

Answer:

I think it's D

Step-by-step explanation:

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3 years ago
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