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kkurt [141]
3 years ago
9

0,0a_2×1÷4=12÷10a_52÷10

Mathematics
1 answer:
kozerog [31]3 years ago
8 0

Answer:

19/4

Step-by-step explanation:

0.5=12/10a-5.2

1/2=6/5a-26/5

5=12a-52

-12a=-57

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Two brothers shared the coins in a piggy bank. Alan received 140 coins. When he gave 48 coins to his brother, the number of his
Musya8 [376]
Assume Alan's brother has x coins before Alan gave him 48 coins
x+48=1.4x (increased by 40%)
0.4x=48
x=120
120+140=260
answer is 260 coins
5 0
3 years ago
work out the circumference of this circle take (pie) to be 3.142 and give ur answer in 1 decimal place radius=9m
Whitepunk [10]

Answer:

56.6m to 1.d.p

Step-by-step explanation:

circumference=2πr

=2×3.142×9

=56.556m

=56.6m to 1.d.p

4 0
3 years ago
Help pls!! this is a presentation I’m doing in class and I NEED this completed rn, ASAP!!! . What I need is just the answers for
nataly862011 [7]

15. 70° because a right angle is 90° and we have the angle of ADB which is 20°. So 90°-20°=70°.

16. 70° because angle PSQ is 60° and angle QSR is 10°. So 60°+10°=70°.

17. 55° because it says it in the explanation. I assume this is a typo and they meant to ask the measurement of ADC and in that case it would be 130° because angle ADB is 75° and angle BDC is 55°. 75°+55°=130°.

18. 40° because angle PSQ is a right angle which means it's 90°. So 130°-90°=40°.

19. 140° because angle ADB is 120° and angle BDC is 20° so 120°+20°=140°.

20. 125° because again it's in the explanation. But if it's a typo and they meant what is the measurement of PSQ then it is 50° because PSR is 125° and QSR is 75° so 125°-75°=50°.

Hope this helps! :)

5 0
2 years ago
Sarris daily tips this work week were $43, $32, $65, $88, $50 and $72. Is Sarah correct in thinking that the mean accurately rep
ella [17]
The answer is A.

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7 0
3 years ago
Susie has a bag with 8 hair pins, 6 pencils, 3 snacks, and 5 books. What is the ratio of books to pencils?
Tasya [4]

Answer:

D) 5/8

Step-by-step explanation:

Since Susie has 5 books and 8 hair pins, you get 5:8 which can be transferred into a fraction of 5/8.

7 0
3 years ago
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