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UNO [17]
3 years ago
12

Can somebody plz help answer all these questions (only if u know how to do it) lol thanks!!!

Mathematics
2 answers:
vladimir1956 [14]3 years ago
7 0

Answer:

  1. 13=6 14=5. 15=3 16=2 17=5 18= 7 19=2 20=9
allochka39001 [22]3 years ago
4 0

Answer:

13. X= 6

14. X= 5

15. X= 3

16. X= 2

17. X= 5

18. X= 7

19. X= 2

20. X= 9

Step-by-step explanation:

Divide them all. Try doing them yourself next time. I know you probably hear that a lot, but try and if you need any help don't be afraid to ask like you did. You're doing great :)

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I'm lazy but have a lot of points
ohaa [14]

Answer: 37

Step-by-step explanation:

Well DCB is a right angle, and there is already half which is 53 degrees, subtract 90 by 53 and you will get your answer.

4 0
2 years ago
Pls help me with these 2 questions i will Mark brainlist:( !!
Sav [38]

Answer:

6. b. 50

7. d. 12

Step-by-step explanation:

6. 80% is equal to 0.8.

0.8x =40.

Divide 0.8 by 40 to get x.

x=50.

7. If he needs 3 eggs for 30 cookies, we divide 120 by 30 to get 4.

We multiply 4*3 to find the total amount of eggs needed.

4*3= 12

8 0
3 years ago
A textbook store sold a combined total of 411 psychology and history textbooks in a week. The number of history textbooks sold w
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

h and p are the number of history and psych textbooks, respectively.

store sold a total of 411 textbooks in a week.

h + p = 411

The number of history textbooks sold was 69 less than the number of psychology textbooks sold.

h = p - 69

Substitution

(p-69) + p = 411

2p = 411+69

p = 240

h = p-69 = 171

171 history books and 250 psych books

8 0
3 years ago
Which expression is equivalent to 2(a+b2)-a-2b?
ICE Princess25 [194]
3a-2b answer B, have a nice day bestie
6 0
3 years ago
Solve for X <br><br><br><br> Plzzz Help Asap
Rina8888 [55]
Answer in the pic it keeps saying it needs to be 20 characters so I’m going to keep typing am I there yet

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3 years ago
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