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Sveta_85 [38]
3 years ago
8

Adam,Rob and Clare share some sweets in the ratio 4:5:8. Clare gets 12 more sweets than Rob. How many sweets did Adam get?

Mathematics
1 answer:
Gnoma [55]3 years ago
3 0

Answer:

16 sweets

Step-by-step explanation:

Adam : Rob : Clare

4 : 5 : 8

Find the difference in units of Rob and Claire.

8 - 5 = 3 units

3 units = 12

1 unit = 12 ÷ 3 = 4

4 units = 4 x 4 = 16

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<img src="https://tex.z-dn.net/?f=x%20%2B%20y%20%3D%209%20%2B%202x%20-%203y%20%3D%208" id="TexFormula1" title="x + y = 9 + 2x -
Vadim26 [7]

Answer:

(7,2)

Step-by-step explanation:

x + y = 9 + 2x - 3y = 8 is really two equations, and you should show this by separating x + y = 9 from 2x - 3y = 8 through the use of a comma, or the word "and," or through writing only one equation per line.

Here you have the system of linear equations

 x +   y =  9

2x - 3y = 8.

Let's solve this system by elimination.  Mult. the 1st eqn by 3, obtaining the system

3x + 3y = 27

2x - 3y =    8

-------------------

5x = 35, so that x = 7.  Subbing 7 for x in x + y = 9, we get 7 + y = 9, indicating that y = 2.

Thus, the solution to this system of equations is (7,2).


6 0
2 years ago
Marcus drew a line from point Y to point W in the rectangle shown below. He created two identical triangles. Classfy the triangl
VikaD [51]
The triangles that would be created if the rectangle has a length and width that are different is a right scalene triangle.

It will have one right angle and all three sides of the triangle will be different lengths because the hypotenuse (the diagonal will be longer than the other two sides.
6 0
3 years ago
Someone help me please I'm so desperate
ludmilkaskok [199]

Answer:

126 tiles

Step-by-step explanation:

The while tiles are 3/4 of a foot (or 9 inches) x 9 in, so their area is 81 sq in. There are 14 blue tiles, so 14 x 81 = 1134 sq inches that need to be covered.

Each tiles is 3 x 3, so its area is 9 sq in. 1134 / 9 = 126 tiles

6 0
2 years ago
What is the slope of the line that passes through the points (-8, -3)(−8,−3) and (-12, -3) ?(−12,−3)? Write your answer in simpl
Darya [45]

Answer:

\\  \frac{y2 - y1}{x2 - x1}  =  \frac{ - 3 - ( - 3)}{ - 12 - ( - 8)}  =  \frac{ - 3 + 3}{ - 12 + 8}  =  0 \div ( - 4) = 0

6 0
2 years ago
Find the scale ratio for the map described below. 1 mm ​(map) equals 500 m ​(actual) The scale ratio is 1 to nothing.
lana66690 [7]

Answer:

1:500000

Step-by-step explanation:

1 mm ​(map) equals 500 m ​(actual) .

Let's convert 500 m to mm.

1m = 1000mm

500m = 500000 mm

So 1mm to 500000mm on a scale is

1:500000

So it's all about converting the metre to million metre then doing the ratio.

In this case we are not to divide anything because it's already in 1.

So it's 1mm on paper then 500000mm on actual.

Thank you

4 0
3 years ago
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