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kari74 [83]
3 years ago
15

Questions a - i click on it for full screen

Mathematics
1 answer:
tekilochka [14]3 years ago
5 0
2 croissants for 48p
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Subtract [4 -4 -2] - [4 -3 5]
Diano4ka-milaya [45]

For matrix subtraction, you subtract the corresponding cell of the second matrix from the first. So, looking at the first spot, you have 4 (from the first matrix) - 4 (from the second matrix) = 0 (the first number in the output matrix). Continuing that for the next spot, -4 - -3 = -4 + 3 = -1. Finally, -2 - 5 = -7. This means your answer is [0 -1 -7].

4 0
3 years ago
3)
Wewaii [24]

Answer:

For covering  1 unit area of the entire playground, the amount of sand required is equal to volume of 3 buckets of sand.

Step-by-step explanation:

Given -

\frac{1}{3} volume of sand in bucket is able to cover \frac{1}{9} area of the entire playground

Thus,

For covering  \frac{1}{9} unit area of the entire playground, the amount of sand required is equal to  \frac{1}{3}  of the total volume of sand in bucket

For covering  1 unit area of the entire playground, the amount of sand required is equal to

\frac{\frac{1}{3} }{\frac{1}{9} } \\\\\frac{1}{3}  * \frac{9}{1} \\\frac{9}{3}\\= 3

For covering  1 unit area of the entire playground, the amount of sand required is equal to volume of 3 buckets of sand.

4 0
3 years ago
The mass of an ornament is m grams.
MArishka [77]

Given:

m is directly proportional to the cube of h.

m = 525 when h= 5.

To find:

The equation connecting m and h.

Solution:

m is directly proportional to the cube of h.

m\propto h

m=kh            ...(i)

Where, k is the constant of proportionality.

Putting m = 525 and h= 5, we get

525=k(5)

\dfrac{525}{5}=k

105=k

Putting k=105 in (i), we get

m=105h

Therefore, the required equation is m=105h.

8 0
2 years ago
Work out the area of this semi circle
Phantasy [73]

Answer:

15.71

Step-by-step explanation:

10*3.142=31.42

31.42/2=

15.71

8 0
3 years ago
Read 2 more answers
Hector must find the sum of 50 + 83 + 50 by using mental math. Which property allows Hector to simplify the equation to 50 + 50
olasank [31]

Answer:

183 A

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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