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disa [49]
2 years ago
12

Please show your work and solve :)

Mathematics
2 answers:
pickupchik [31]2 years ago
8 0
A/-3 -6=-1
-a/3 -6=-1
-a-18=-3
-a=-3+18
-a=15
A=-15
Amiraneli [1.4K]2 years ago
5 0

Answer:

a = -15

Step-by-step explanation:

a/-3 -6 = -1

add 6 to both sides

a/-3 = 5

now multiply -3 to both sides

a= -15

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pantera1 [17]

Answer:

b

Step-by-step explanation:

8 0
2 years ago
43.
aleksklad [387]

Answer:

4.12 kg

Step-by-step explanation:

Regular cakes:

1 dozen normal sponge cakes: 264 g plain flour

Vegetarian cakes:

1 dozen cakes: 264 g plain flour

4 eggs are replaced by 4 * 30 g of flour = 120 g flour

total flour for 1 dozen vegetarian cakes = 264 g + 120 g = 384 g

Proportion for regular cakes:

12 cakes to 264 g flour = 100 cakes to x grams flour

12/264 = 100/x

12x = 26400

x = 2200

2200 g flour for 100 regular cakes

Proportion for vegetarian cakes:

12 cakes to 384 g flour = 60 cakes to y grams flour

12/384 = 60/y

12y = 384 * 60

12y = 23040

y = 1920

1920 g flour for 60 vegetarian cakes

Total flour needed:

2200 g + 1920 g = 4120 g

4120 g * 1 kg/(1000 g) = 4.12 kg

Answer: 4.12 kg

4 0
2 years ago
Find 3 different ratios that are equivalent to 7:3.<br><br> Explain why these ratios are equivalent.
EastWind [94]
14:6, 21:9, 28:12- they’re common multiples
7 0
3 years ago
The graph of a quadratic function is shown on the grid.
Vinvika [58]

Answer:

D

Step-by-step explanation:

8 0
2 years ago
In a 10x10 grid that represents 800 what does one square represent
Simora [160]
 the answer would be 80,because 800 divided 10 is 80.
5 0
3 years ago
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