Let the unknown number be x.
<span>sum of a number and one: x + 1
</span>
<span>sum of a number and one is doubled: 2(x + 1)
</span>
<span>three less than the number: x - 3
2(x + 1) = x - 3
2x + 2 = x - 3
x + 2 = -3
x = -5
The number is -5.
</span>
Answer:
15 seeds
Step-by-step explanation:
Set up a ratio that represents the problem:
Sown Seeds : Seeds That Grow
100 : 75
Find the unit rate:
The unit rate is when one of the numbers in a ratio is 1. For this problem, let's make the number of sown seeds equal to one.
To do this, divide by 100 on both sides of the ratio.
100 : 75
/100 /100
1 : .75
This means that if Tim sows 1 seed, .75 will grow.
Answer the question:
We need to find the number of seeds that would grow if Tim planted 20 seeds. Therefore, multiply by 20 on both sides of the ratio.
1 : .75
x20 x20
20 : 15
Therefore, if Tim plants 20 seeds, we would expect 15 to grow.
29000? .... what exactly are you supposed to be finding
Answer:
D) 0
Step-by-step explanation:
Remainder is zero as 10 is fully divisible by 2.
<u>Proof</u>:
- 27x^3 + 9x^2 – 3x – 10 = (3x -2) (9x^
2 +9x+5)
<u>Correct choice is</u> D) 0
Answer:
-2y + 3 = 0
Step-by-step explanation:
x - 6y - 9 = 0
-6y - 9 = -x subtract x from both sides
6y + 9 = x divide both sides by -1
x = 8y + 6
6y + 9 = 8y + 6 replace x with 6y + 9
-2y + 9 = 6 subtract 8y from both sides
-2y + 3 = 0 subtract 6 from both sides
