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Natasha_Volkova [10]
2 years ago
10

There were 84 children and 48 adults at a ski resort. What percent of the people were adults? Round to the nearest whole percent

.
Mathematics
2 answers:
schepotkina [342]2 years ago
8 0
50 out of the 80 were adults if you have to round so it would be 5/8 then you just do 8×100 and then 5×180+70÷100 because you're want to do not do not do it
Lady_Fox [76]2 years ago
3 0

the answer would 24.5!!!!!!!!!!!!

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A diver went 25.65 feet below the surface of the ocean, and then 16.5 feet further down, he rose 12.45 feet.
Rasek [7]

If you are trying to find where he is the answer is -29.7

Hope this helps!


5 0
3 years ago
Read 2 more answers
Complete the steps to solve the polynomial equation x3 – 21x = –20. According to the rational root theorem, which number is a po
jeka94

Answer:

Zeroes : 1, 4 and -5.

Potential roots: \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

Step-by-step explanation:

The given equation is

x^3-21x=-20

It can be written as

x^3+0x^2-21x+20=0

Splitting the middle terms, we get

x^3-x^2+x^2-x-20x+20=0

x^2(x-1)+x(x-1)-20(x-1)=0

(x-1)(x^2+x-20)=0

Splitting the middle terms, we get

(x-1)(x^2+5x-4x-20)=0

(x-1)(x(x+5)-4(x+5))=0

(x-1)(x+5)(x-4)=0

Using zero product property, we get

x-1=0\Rightarrow x=1

x-4=0\Rightarrow x=4

x+5=0\Rightarrow x=-5

Therefore, the zeroes of the equation are 1, 4 and -5.

According to rational root theorem, the potential root of the polynomial are

x=\dfrac{\text{Factor of constant}}{\text{Factor of leading coefficient}}

Constant = 20

Factors of constant ±1, ±2, ±4, ±5, ±10, ±20.

Leading coefficient= 1

Factors of leading coefficient ±1.

Therefore, the potential root of the polynomial are \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

3 0
3 years ago
Mias dog weighs 32.6 pounds. Letties dog weighs 3.8 times as much as Mias you. What does Letties dog weigh in pounds?
Whitepunk [10]
Hello!

We are given the weight of Mia's dog and told to find the weight of Lettie's dog based on the known relationship. Using these given values, we can create the following equation (let "w" represent the total weight of Lettie's dog):

w = 32.6(3.8)

Simplify the right side of the equation:

w = 123.88

We have now proven that Lettie's dog weighs 123.88 lbs.

I hope this helps!
6 0
3 years ago
Read 2 more answers
HELP!!!!!
podryga [215]
Solve for the x-max or h :\
-b/(2a)=-8/(2*-2)=2=k
plug it in to equation to get k:/
y(2)=-2(2)^2+8(2)+3
-8+16+3=11=k
y=a(x-2)^2+11

solve for a by pluging (0,0)
then a= -11/4
y=-11/4(x-2)^2+11

8 0
3 years ago
Jillian ran 40 miles in one week. Her friend Lacey ran 5/8 the distance that Jillian ran.
marishachu [46]
40 / 8 =5.               5 * % =         **25 Miles**
8 0
3 years ago
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