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Dafna11 [192]
2 years ago
7

There are three consecutive numbers such that twice the first is 20 more than the second.find the numbers? Show your solution.

Mathematics
1 answer:
xxTIMURxx [149]2 years ago
8 0
Answering from phone so this will be a bit messy. a b=a+1 c=b+1=a+2 2a=b+20 Therefore: 2a=a+1+20 a=21,b=22,c=23
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Arc is 41 and angle is 40. I have no other given information but I have to find x
tiny-mole [99]

First of all I want to point out you drew the diagram a little wrong. The Arc is 41 doesn't mean its 41 degrees it means it has length 41 so remove the degrees symbol.

Now for the answer the other arc have to have angle 40 too because vertical angles. And because the radius is the same, both of the length has formula 40/360*pi*2*radius which is 41 in this case. So x has to be 41 also :) Done!

7 0
3 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
3 years ago
The square tile has a side length of 10.5.What power can you write to represent the area of the tile?Write the power as an expre
Savatey [412]
If I'm understanding the question right then 10.5^2
8 0
3 years ago
Witch of the following could not represent the probability of an event
Alex17521 [72]
I think it's D. 7 times out of 34 times
6 0
3 years ago
in the equation dy+3x=2, for what value of d is the graph of the equation parallel to the graph of x-3y=0? the y axis?
IRISSAK [1]

Answer:

-9

Step-by-step explanation:

The slope of the the solving equation is triple the slope of the given equation. Therefore, the y coefficient must also be triple of the other y coefficient.

8 0
2 years ago
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