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VARVARA [1.3K]
2 years ago
8

Mathematics Grade 5 Sample Items

Mathematics
1 answer:
Anastasy [175]2 years ago
4 0

Answer:

The answer is within the range of 0.1 - 0.9.

Step-by-step explanation:

For example, 0.5 could be the answer.

You might be interested in
What two partial products would you add to find 513 x 46
Afina-wow [57]
First, let me do the Mathematical part of that, and then I shall explain the theory behind it.

Mathematical part:
We are going to multiply 513 with 46. So the two partial products that we are going to choose are 40 and 6.

Multiply 513 with 6 first.

    513
    x46
--------------------------
      18 (as 6*3 = 18)
      60 (as 6*10 = 60; In 513, the digit at tenths place is 1, so 1*10=10)
  3000 (as 6*500 = 3000; In 513, 5 is at hundredth place, so 5*100=500)
    120 (as 40*3 = 120; since 4 is at the tenth place, so 4*10=40)
    400 (as 40*10 = 400)
20000 (as 40*500 = 20000)
--------------------------
23598 (Add all of them)


Theory:
As you can see above that we have chosen the two partial products individually which are 6 and 40. Since 4 in 46 is in tenth place, we have to consider it 40 (since 4*10 = 40). One by one, we first multiply 6 with 513. Then we move to the tenth place, and multiply 513 with 40. At the end, we have added all the results we found after multiplication.

Check: If we check the multiplication result by using the calculator, we would get the same result (23598).

Another Method (instant):
513 * (40+6) = (513*40) + (513*6) = 23598.
3 0
3 years ago
Read 2 more answers
4+b = -30<br> What is the value of X?<br><br> X= -34<br> X= 7.5 <br> X=120<br> X= -26
Firdavs [7]

Answer:

X= -34

Step-by-step explanation:

6 0
3 years ago
Pls pls help me ASAP
Maru [420]

Answer:

1. 27.5 in.^2

2. 360 in.^2

Step-by-step explanation:

1.

A = bh/2

A = (4 + 7)(5)/2

A = 27.5 in.^2

2.

A = bh/2

A = (35 + 13)(15)/2

A = 360 in.^2

6 0
3 years ago
For what month would you estimate the theoretical probability of a maximum temperature no greater than 90ºF to be about 0.13?
sergey [27]
Perhaps it is July, I think it is the hotest month of summer. 
3 0
3 years ago
Which of the following ordered pairs represents the solution to the system given below?
denpristay [2]

x − 3y = 12
<span>2x + 6y = 60</span>

<span>x=12+3y</span>

<span>2(12+3y)+6y=60</span>

<span>24+6y+6y=60</span>

<span>24+12y=60</span>

<span>12y=60-24</span>

<span>12y=36</span>

<span>y=36/12</span>

<span>y=3</span>

<span>and since the only answer you have with y being 3 is 21,3 the answer is D.(21,3)</span>

8 0
2 years ago
Read 2 more answers
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