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marissa [1.9K]
3 years ago
13

Is this answer correct? (angel sums triangle)

Mathematics
1 answer:
Alik [6]3 years ago
4 0

Answer:

No, I got 18

Step-by-step explanation:

180-78=102

180-11-49=120

180-120=60

x=180-102-60=18

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Write an equation and solve:
MA_775_DIABLO [31]

Answer:

55p

Step-by-step explanation:

iced cake = 10p more than a plain cake

iced cake = 10p + plain cake

iced cake and a plain cake together = £1

iced cake + plain cake = £1

if iced cake = 10p + plain cake, we can plug this into our second formula to get

(10p + plain cake) + plain cake = £1

10p + 2 * plain cake = £1 = 100p

subtract 10p from both sides to isolate the variable and its coefficient

2 * plain cake = 90p

divide both sides by 2 to isolate the variable

plain cake = 45p

iced cake = 10p + plain cake = 55p

3 0
3 years ago
43.8,36.7____, 22.5,... find the missing number in the sequence
pantera1 [17]
The answer is 29.6.  

43.8-36.7=7.1

36.7-7.1=29.6

29.6-7.1=22.5

7 0
4 years ago
I need help with this
Stells [14]

Answer:

AB = 21

Step-by-step explanation:

So we have two triangles (AEB and ADC), and they're similar by AA

Now, you can find the ratio of similitude by checking AE/AD which is 14/26 = 7/13

AB/AC = 7/13

Take AB as x aight

x/x+18 = 7/13

x=21

5 0
3 years ago
Find the 5th term in the expansion of (x – 3y)8
Lynna [10]
Not sure what you mean by 5th term, I assume it's the term with the form x^3y^5

Then, you can use combination method:

C(8,3) * (-3)^5 = -13608

So, 5th term is -13608x^3y^5
4 0
3 years ago
Read 2 more answers
when vanessa charges her 3ds fully it lasts for 2 hours. if she only charged it 2/8 full how long would it last?
Leto [7]

Answer:

1hour 40min

Step-by-step explanation:

2hour=3f

?=2/8

1hour 40min

4 0
3 years ago
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