Donnie is 7 years old. Donnie's age is 3 years less than half of Ana's age. The relationship between the ages can be modeled by
the equation 1/2x - 3 = 7, where x is Ana's age. How old is Ana?
1 answer:
Answer:
20 years old
Step-by-step explanation:
Donnie is 7 years old. Donnie's age is 3 years less than half of Ana's age.
The relationship between the ages can be modeled by the equation
1/2x - 3 = 7, where
x is Ana's age.
Hence:
= x/2 - 3 = 7
Add 3 to both sides
1/2x - 3 + 3 = 7 + 3
1/2x = 10
x/2 = 10
Cross Multiply
x = 2 × 10
x = 20 years old.
Therefore, Ana is 20 years old.
You might be interested in
Answer:
0/6 because the arrow start from zero and end at six, remember that the arrow is starting from the vertical axis.....
There are 8.25 cups and quarts in two gallons
Answer:
B) μD = 0.60 ± 0.10(1.397)
Step-by-step explanation:
The confidence interval is given by:
Where
MD=60
n=9
df=n-1=8
Then the confidence interval is
μD=0.60±1.397*(0.3/√9)
μD=0.60±0.10*(1.397)
Answer:
Hii i just know the 4 and 5 one
Step-by-step explanation:
4 one is exterior
5 one is included angle
Answer:
thx
Step-by-step explanation:
