Solve by drawing disks on a place value chart. Write an equation, and express the product in standard form. 2 copies of 4 tenths
Answers
To solve the equation by drawing disks on a place value chart, represent 2 copies of 4 tenths as disks in the tenths place. The equation is 0.4 + 0.4 = 0.8.
To represent and solve for "2 copies of 4 tenths" using a place value chart, you can follow these steps:
**Step 1:** Set up the place value chart. The place value chart includes columns for units, tenths, hundredths, and so on.
```
Units | Tenths | Hundredths | ...
```
**Step 2:** Represent the first "4 tenths." Draw four disks in the tenths place, which is the second column from the right.
```
Units | Tenths | Hundredths | ...
▢ ▢ ▢ ▢
```
**Step 3:** Represent the second "4 tenths." Draw four more disks in the tenths place.
```
Units | Tenths | Hundredths | ...
▢ ▢ ▢ ▢
+ ▢ ▢ ▢ ▢
```
**Step 4:** Add the two sets of "4 tenths" together. When you add them visually, you get eight disks in the tenths place.
```
Units | Tenths | Hundredths | ...
▢ ▢ ▢ ▢
+ ▢ ▢ ▢ ▢
------------
▢ ▢ ▢ ▢
```
**Step 5:** Express the sum in standard decimal form. In this case, it's 0.8.
So, 2 copies of 4 tenths is equal to 0.8 in standard decimal form.
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Answers
divide 6 from both sides
6w /6 = 30/6
w=5
Answers
i think the answer is A.
3x - 2y = 8
please show work and the solution to the system for x, y
I have tried and tried can't seem to get it to work out.
Answers
3x - 2y = 8 this is the same as 3x/2-8/2=y, which gives you; y=1,5x-4
so;y=23-3xy=1,5x-4
y=y
23-3x=1,5x-4
23+4=1,5x+3x
27=4,5x
27/4,5=x
x=6
the y is:
3*6+y=23
18+y=23
y=23-18
y=5
1) 3x +y=23 try to label them one and two.
2)3x -2y=8 First lets find the x. To do that we have to changed the y,and find the common number fo them.
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1) 3x+y=23 try to times the whole equation number 1) by 4, and equation 2) by 2.
2) 3x-2y=8
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1) 12x+4y=92 That's how the euation should look after you would times it.
2) 6x-4y=16 Then add them.
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12x +6x = 18x ..... 4y+4y_ this won't have to be solved at we only had to times it so we could eliminate does y's as we only wanted to find out x.
92+16=108
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So then we have...
18x = 108 This means we have to divide 108 by 18 to find out x.
108/18 = 6.
x=6.
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To find y we have to do the same method but we have to eliminate x, by findin a common number in x's.
1) 3x+y=23 Try to time the two equations by 2.
2)3x-2y=8
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1) 6x+2y=46 Yoou should get something like that. Then add them.
2) 6x-4y=16
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6x+6x_ we won't gonna add them as we only had to multiply them to get the same answer to eliminate these.
2y+ -4y= -2y ............. 46+16=62
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So it should be: 2y=62
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No we only have to divide 62 by 2, which is 31
so y=31.
(Photo down below,)
(Key Words: √177, 6)
Answers
Answer:
qwerty
Step-by-step explanation:
Answers
and remember -(b+c)=-1(b+c)
commutative is a+b=b+a
associative is
a+(b+c)=(a+b)+c
1.
moved numbers in paretnasees
commutatuve A
2. moved arenthasees
associative, B
3. distributive, isn't listed so I assume 'oposite of a sum property'
C
4. swtiched order
commutve A
1. A
2. B
3. C
4. A