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noname [10]
3 years ago
5

Mrs. Smith’s wrote the number 43.38 on the board for a class discussion on place value. Explain the relationship between the two

3s
Mathematics
2 answers:
o-na [289]3 years ago
8 0
I agree with the first person couldn’t have said it any better!
Katen [24]3 years ago
7 0

Answer:

3 and 0.3

Step-by-step explanation:

In the number 43.38, there are 2 place values for the digit 3. The 3 in 43 is worth 3. There is a 3 in the remaining .38, and that 3 is worth 0.3. The relationship between the two 3s is 3 and 0.3.

<em>Hopefully the answer and explanation helps!</em>

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What 2 numbers should be used to find 231 - 198 using the 10 method for subtracting quickly in your head?
Airida [17]

Answer: "Count 2 and then count 31 more."

Step-by-step explanation:

We have the equation:

231 - 198

Now, the negative number is kinda ugly, so i will write it as:

200 - 2 = 198

Is a lot easier work with 200 and 2, than with 198.

Then the equation is now:

231 - (200 - 2)

And the left number we also have a "200", so it can be written as:

200 + 31 = 231

As this is a sum, we can ignore the parentheses.

200 + 31 - 200 + 2

31 + 2

Then the correct option is:

"Count 2 and then count 31 more."

4 0
4 years ago
Find the distance between the two points (-4,1) (4,5)
KatRina [158]
The distance between the 2 points is at the point (0,3). Did I answer your question?
4 0
3 years ago
Read 2 more answers
F(x)=x^3+ax^2+bx+3 where a and b are constants. bx Given that when f (x) is divided by (x+2) the remainder is 7, (a) show that 2
Vlad1618 [11]
Part I - First synthetic division

You need to use synthetic division to come up with an expression for a and b:

(x + 2) is a factor, and the remainder is 7, so we can draw a synthetic division table...

coefficients = 1 for X^3; A for X^2; B for X^1; and 3

-2  |        1          A            B                 3
     
                        -2        -2(A-2)          4(A-2)-2B
 
            1        (A-2)    -2(A-2)+B      4(A-2)-2B + 3  
                            
                                    Remainder = 7

<u>So...</u>

4(A-2)-2B + 3 = 7

4 * (A - 2) - 2B + 3 = 7

4A - 8 - 2B =  4

4A - 2B      = 12

2A - B = 6
Proved

-------------------------------------------------------------------------------------------------------------------
Part II - Second Synthetic Division

We draw another synthetic division table, this time with (x - 1), so the number on the left hand side will be +1

1  |        1          A            B                 3
     
                        1         (A+1)         A+B+1
 
             1      (A+1)      A+B+1       A+B+4 
                            
                                    Remainder = 4

<u>So...</u> 

A + B + 4 = 4

A + B = 0

<u>A = -B
</u>

-------------------------------------------------------------------------------------------------------------------
Part III - Solving for A and B with our two simultaneous equations

We know that<u> </u><u>A = -B</u><u /> and we also know that 2A - B = 6

Since we know that A is equal to -B We can substitute in A for -B, to get:

2A - B = 6

Therefore...

2A + A = 6

3A = 6

<u>A = 2</u>

Again, as we know that A = -B, and as we have found that A = 2, we can see:

A = -B

Therefore...

2 = -B

<u>B = -2
</u>
So our final answer is <u>A = 2, B = -2</u><u />

Hopefully this answer is more useful than the last one, and isn't so confusing!

8 0
3 years ago
Solve for x. Round to the nearest tenth. ​
kondor19780726 [428]

Answer:

22.8

Step-by-step explanation:

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8_murik_8 [283]

Answer:

Step-by-step explanation:

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6 0
3 years ago
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