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Gnesinka [82]
2 years ago
9

Help please I suck at math :(

Mathematics
2 answers:
allsm [11]2 years ago
7 0

Answer:

44 m^2

Step-by-step explanation:

Think of the entire rectangle including the two cutout corners on top.

It is 8 m by 6 m.

A = LW = 8 m * 6 m = 48 m^2

Now find the area of each small missing rectangle on the upper side.

A = 2 m * 1 m = 2 m^2

Now subtract the area of the two cut out corners from the large rectangle.

A = 48 m^2 - 2 m^2 - 2 m^2

A = 44 m^2

andrew-mc [135]2 years ago
4 0

Answer:

44m^2

Step-by-step explanation:

Separate the shape into two different rectangles. Then add the area of the rectangles together.

2 x 6 = 12

4 x 8 = 32

32 + 12 = 44

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You buy the following materials for the new extension. Calculate the cost of the bricks and cement and then work out the total c
bogdanovich [222]

<u>Answer:</u>

Cost of sand = £150

Cost of bricks =  £157.5

Cost of cement = £134

Total cost = £441.50

<u>Step-by-step explanation:</u>

We are given that:

2 tonnes of sand  is for £75.00 per tonne,

20 bags of cement  are for £6.70 per bag,

350 bricks at 45p each,

So, 2 tonnes of sand  at £75.00 per tonne = 2 * £75.00 = £150.00

20 bags of cement  at £6.70 per bag = 20 * £6.70 = £134.00

350 bricks at 45p each = 350 * £0.45 = £157.50

Therefore, the total cost of all the materials = £150 + £134 + £157.5 = £441.50

7 0
3 years ago
C. Solve 1/2 x - (x+3)&lt;1/3(x-1)​
MAVERICK [17]

Answer: x = 28

Step-by-step explanation:

Let's solve your equation step by step!

3/8x + 15/2 = 18

Step 1: Subtract 15/2 from both sides.

3/8x + 15/2 - 15/2 = 18 - 15/2

3/8x = 21/2

Step 2: Multiply both sides by 8/3

(8/3) * (3/8x) = (8/3) * (21/2)

Step 3. Calculate

x = 28

7 0
2 years ago
One over four (4x + 15) = 24
kiruha [24]

Answer:

x = 20 1/4

Step-by-step explanation:

1/4 (4x + 15) = 24

x + 3 3/4 = 24

x = 20 1/4

3 0
3 years ago
Read 2 more answers
1 plus 1<br> Plus 4 plus 4444 plus 1928 plus 63626
fenix001 [56]

Answer:

70004

Step-by-step explanation:

1+1+4+4444+1928+63626 = 70004

6 0
3 years ago
Read 2 more answers
3 times the sum of 1/3 of<br> a number and 8 is 11
Anni [7]

Answer:

I guess this is how to do it....

3×(1/3 of x + 8)=11.

use the 3 to multiply the numbers in the bracket.

3x+24=11.

3x=11-24.

3x=-13.

x= -13/3.

x= -4.33.

4 0
3 years ago
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