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Salsk061 [2.6K]
3 years ago
9

How do you you do this please help me?

Mathematics
2 answers:
frosja888 [35]3 years ago
5 0

The opposite of multiplication is division, so if you take the signaler number after the equal sign divide it by the number before and it will give you the missing number like this:

(I'm only going to do a few and then you try it. I can check it when you are done)

6 x ____ = 60 <<<Divide 6 by this number

60 ÷ 6 = 10

6 x 10 = 60

140 ÷ 10 = 14

140 = 14 x 10

500 ÷ 50 = 10

50 x 10 = 500

Hope this helps!

valkas [14]3 years ago
5 0

Hey buddy!

The answers are...

1- 6 x 10 = 60

2- 140 = 14 x 10

3- 50 x 10 = 500

4- 16 x 10 = 160

5- 42 x 10 = 420

6- This one is correct! (10)

7- 490 = 49 x 10

8- 1000 = 10 x 100

9- 450 = 45 x 10

10- 550 = 55 x 10

:)

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Y is a number such that 6y = 12
nataly862011 [7]
6y = 12
y = 12/6
y = 2

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5 0
3 years ago
Y=-|x+3| domain and range
Serjik [45]

Answer:

the domain is that x is a set of real numbers.

the range is y ≤ -3

Step-by-step explanation:

y = -|x + 3|

y is either positive or equal to zero.

Now, x is all real numbers because any value of x used will yield a valid value of y.

Thus, we can say that the domain is that x is a set of real numbers.

Now, for the range:

The minus sign in front of the absolute value indicates that the function has a maximum value.

Thus, the range is y ≤ -3

6 0
3 years ago
Three times the sum of a number and 21 is at most -26
Anna007 [38]
It would be: 3(x + 21) ≤ -26
3x + 21 ≤ -26
3x ≤ -47
x < -47/3

In short, Your Answer would be -47/3 or 15.67

Hope this helps!

8 0
3 years ago
Simplify the following expressions by using the order of operations
MariettaO [177]
11. 6 + 5 * 2 + (-3)
      6 + 10 - 3
      16 - 3
       13 <==

12. 67 + 84 - 12 * 4 / 16
      67 + 84 - 48/16
      67 + 84 - 3
      148 <==

13. -5 * -6 - 25/5 - 2
      30 - 5 - 2
       23 <==

14. 18 - (9 + 3) + 2^3
       18 - 12 + 8
        14 <==

15. -24 / -6 * 2
       4 * 2
       8 <==

16. 8 [ (26 + 10) - 4(3 + 2)]
      8 [ (36 - 4(5)]
      8 [ 36 - 20 ]
      8 [ 16 ]
        128 <==

17. 6 * 3 / 9 * 2 + 1
       18/9 * 2 + 1
        2 * 2 + 1
        4 + 1
        5 <==

18. (9 - -4)(-8 - -7)
      (9 + 4)(-8 + 7)
       13 * -1
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5 0
3 years ago
Determine the kinetic energy of a 100-kg roller coaster car that is moving with a speed of 20.0/ms.
rjkz [21]

Answer:

The kinetic energy is 20,000\ J

Step-by-step explanation:

The kinetic energy of a body is defined as:

k = \frac{1}{2}ms ^ 2

Where <em>m</em> is the mass of the roller coaster car

<em>s</em> is the speed and <em>k</em> is the kinetic energy

We know that s = 20\ m/s

m = 100\ kg

Then the kinetic energy of the roller coaster car is:

k = \frac{1}{2}(100)(20) ^ 2\\\\k = 50(20) ^ 2\\\\k = 50 * 400\\\\k = 20,000\ J

3 0
3 years ago
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