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VladimirAG [237]
2 years ago
9

1.Solve : 3(5 + 7) - 4(8 + 4) = * 2.solve:-7 x -10 ill give you an free robux account if you get them correct

Mathematics
1 answer:
Kaylis [27]2 years ago
7 0

Answer:

1) -12, 2) 70

Step-by-step explanation:

Hope this helps :)

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Lindy has 64 vanilla wafer cookies to put in bags. How many bags can she fill if she puts the same number in each bag and uses t
kvv77 [185]
1 bag of 64
2 bags of 32
4 bags of 16
Or 8 bags of 8
5 0
3 years ago
Suppose sin a = 12/13 and sin b= 5/11. FInd cos(a+b)
m_a_m_a [10]

Answer:

1.28 or 912/715

Step-by-step explanation:

sine= opposite side/hypotenuse

cos=adjacent/ hypotenuse

sine a= 12/13 using the Pythagorean Theorem and solve for the missing side. (which is the adjacent side)

cos a = 5/13

Do the same for sine b

cos b= 9.8/11

add both the cosine value

(5/13)+(9.8/11)=1.28 or 912/715 in fraction form

6 0
2 years ago
Christian is planning a vacation and finds an airplane ticket that cost 180$. He found a promo code offering 17% off. Write a si
lesya [120]

Answer:

83/100 x 180

Step-by-step explanation:

We have to find the cost of the ticket after the discount.

100% - 17%= 83%

83% of the total percentage of the original price that he needs to pay.

So we do:

83/100 x 180

So, this would be the expression.

Hope this helps!:)

7 0
2 years ago
What is the solution to to the equation x − 2/5 = −1?
ZanzabumX [31]

Answer:

  • x = -0.6

Step-by-step Solution:

<u>Isolate the variable x to get the answer.</u>

  • x − 2/5 = −1
  • => x = -1 + 2/5
  • => x = -1 + 0.4
  • => x = -0.6

Hence, the value of x is -0.6.

6 0
2 years ago
Read 2 more answers
Four friends made 55 cupcakes and shared them equally.how many cupcakes did each friend get? PLZ HELP ME:(
Drupady [299]

Answer:

13 3/4 cupcakes for each person

Step-by-step explanation:

55 cupcakes and 4 friends

55/4 = 13 3/4

6 0
2 years ago
Read 2 more answers
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