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givi [52]
3 years ago
9

ANSWER TO BE NAMED BRAINLIEST GET A THANK YOU AND 5 STAR VOTE FOR YOUR ANSWER

Mathematics
2 answers:
Genrish500 [490]3 years ago
7 0

Answer:

should be 110...

Step-by-step explanation:

80 plus 30

user100 [1]3 years ago
7 0

So you gotta break the trapezoid into 2 shapes, square and triangle.

Area of the square: 8 x 10 = 80 cm^2

Area of the triangle :  1/2 x base x height

base: 6

height: 8

therefore, 1/2 x 6 x 8 = 24 cm^2

24+80 = 104 cm^2

Therefore your answer is C

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In a café, I order a cup of tea and a piece of cake and it costs £1.10. The next time I order 2 cups of tea and one piece of cak
defon

Answer:

£0.50

Step-by-step explanation:

t = one cup of tea

c = one piece of cake

t + c = £1.10

2t + c = £1.70

the cost increases by £0.60 (£1.70 - £1.10) when you order one more cup of tea which means that one cup of tea costs £0.60

substitute £0.60 into t + c = £1.10

£0.60 + c = £1.10

rearrange to get c = £1.10 - £0.60 = £0.50

so one piece of cake costs £0.50

7 0
3 years ago
Read 2 more answers
The diagram shows triangle ABC.
const2013 [10]

Answer:

Step-by-step explanation:

5 0
2 years ago
John Jones has decided to go into the bussiness of producing and selling boats.In order to begin this venture, he must invest 10
stealth61 [152]
Hey
so I don't know the answer but you can try and it something Sorry
8 0
3 years ago
Can I Get Help On This Question?
Gnoma [55]

I believe it would just be -1

3 0
3 years ago
Find a cubic function f(x) = ax3 + bx2 + cx + d that has a local maximum value of 4 at x = −3 and a local minimum value of 0 at
Vinvika [58]
The formula is f(x) = a x ^ 3 + b x ^ 2 + c x  + d 
f '(x) = 3ax^2 + 2bx + c. 
f(- 3) = 3 ==> - 27a + 9b - 3c + d = 3 
f '(- 3) = 0 (being a most extreme) ==> 27a - 6b + c = 0. 
f(1) = 0 ==> a + b + c + d = 0 
f '(1) = 0 (being a base) ==> 3a + 2b + c = 0. 
- 
Along these lines, we have the four conditions 
- 27a + 9b - 3c + d = 3 
a + b + c + d = 0 
27a - 6b + c = 0 
3a + 2b + c = 0 
Subtracting the last two conditions yields 24a - 8b = 0 ==> b = 3a. 
Along these lines, the last condition yields 3a + 6a + c = 0 ==> c = - 9a. 
Consequently, we have from the initial two conditions: 
- 27a + 9(3a) - 3(- 9a) + d = 3 ==> 27a + d = 3 
a + 3a - 9a + d = 0 ==> d = 5a. 
Along these lines, a = 3/32 and d = 15/32. 
==> b = 9/32 and c = - 27/32. 
That is, f(x) = (1/32)(3x^3 + 9x^2 - 27x + 15).
8 0
3 years ago
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