Answer:
232
Step-by-step explanation:
9 x 25 = 225 225 + 7 = 232
another way to find it
9 x 20 = 180 9 x 5 = 45 180 + 45 = 225 + 7 = 232
<span>1. 5564÷91
I know that 9 * 6 = 56
5564 rounds to 5600
91 rounds to 9
Since 56/9 = 6, then 5600/90 is the same as 560/9 = 60
The estimate is 60
2. </span><span>5391÷25
5391 sounds to 5400
25 is 1/4 of 100.
That means when you divide by 25, you can divide by 100 and multiply by 4.
5400/100 = 54
54 * 4 = 216
Estimate: 216
3. </span><span>explain how to estimate 498÷12
48/12 = 4
498 is little more than 480, so 498/12 is little more than 40
4. </span><span>which is the closest estimate for 2130÷ 33
A.7 B.17 C.70 D.700
2130/33
Round off the numerator and denominator to
2100/30
Reduce the fraction
210/3
Since I know that 21/3 = 7, then 210/3 = 70
Estimate: 70
</span>
Answer:
-3f+101
Step-by-step explanation:
For this case we have the following polynomial:

To find the value of c that completes the square, we use the following equation:

Where,
- <em>b: coefficient of the variable of degree 1
</em>
Substituting values we have:

Answer:
the value of c that completes the square is:

Answer:
4\pm\sqrt{19}
Step-by-step explanation:
Move everything to left side

Now to solve this square equation we need to find Descriminant

As Descriminant D is greater than 0 then we have 2 solutions which we can calculate by this formula
