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Andreyy89
3 years ago
14

1 less than a doubled number is equivalent to 5 more than 3 lots of the number

Mathematics
1 answer:
dolphi86 [110]3 years ago
8 0

Answer:

the number is -6  (assuming "3 lots of" means 3 times)

Step-by-step explanation:

Let the number be x

1 less than a doubled number

2x-1

5 more than 3 lots of (times???) the number

3x+5

Solve for x

2x-1 = 3x + 5

-x = 5+1

x = -6

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Work out the surface area of this solid prism.
alexandr1967 [171]

Answer:

2520cm²

Step-by-step explanation:

Surface area = sum of the area of all the bases.

Area of bottom base = 28 * 30 = 840

Area of right base = 25 * 30 = 750

Area of left base = 17 * 30 = 510

Area of two triangles = ( 15 * 28 ) / 2 = 210 * 2 = 420

Then add all the areas together to find surface area

Surface area = 840 + 750 + 510 + 420 = 2520cm²

Relevant Formulas:

Area of a rectangle = length * width. This formula was used to find the area of the bottom base, the right base and the left base

Area of a triangle = ( height * base length ) / 2 . This formula was used to find the area of the sides which are triangles.

5 0
2 years ago
What shape will stay the same no matter how many degrees it is rotated?
aev [14]
A circle is round, so no matter how many degrees it is rotated it will remain the same
6 0
3 years ago
The graph of y =(x-3)^2 is shifted left 4 units and down 2 units. What is the axis of
Naddik [55]

Answer:

x = -1

Step-by-step explanation:

The axis of symmetry of the graph y=(x-3)^2 is  x=3 but,

If shift the graph 4 units to the left it would mean the new value of x would be -1 as shown here:

x=3-4\\x=-1

-4 because it shifted 4 units to the left so the axis of symmetry of the transformed graph would be x = -1 and since it shifted 2 units down the y-coordinate of the turning point would be -2 so the turning point of the original graph is (3 , 0) and the turning point of the transformed graph is

(-1 , -2) I attached an image so you can visualize clearly

7 0
2 years ago
Amy, Kareem, and Jim served a total of 123 orders Monday at the school cafeteria. Kareem served 4 times as many orders as Jim. A
lana66690 [7]
They each served 289
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3 years ago
What is the slope of the line represented by the equation y = –2/3 – 5x?
lara [203]
y=kx+b, k- is a slope.

In our case:

k=-5
7 0
3 years ago
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