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vlabodo [156]
3 years ago
8

Plz plz plz plz help me

Mathematics
1 answer:
kiruha [24]3 years ago
6 0

Answer:

1 bubble: 60 people, Yes Voucher bubble: 33, No Voucher bubble: 27 people,   Boy yes bubble: 20, girl yes bubble: 13, boy no bubble: 18, girl no bubble: 9

Step-by-step explanation:

When you get to the third statement do 27=3x

9=x

x represents amount of girls who do not have their voucher

18 boys didn't have their voucher

subtact 18 from 38 to find the amount of boys who had their voucher. And then subtract 9 from 22 to find the amount of girls who had their voucher.

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if I have to add 97 oz of algaecide to 10,000 gallons of water how much should I add if I only have 200 gallons of water​
juin [17]

Answer:

1.94 oz

Step-by-step explanation:

x/97 = 200/10000

97*200 = 10,000x

19400 = 10,000x

1.94 oz

You can also do it this way:

200/10000 = 0.02

0.02 * 97 = 1.94

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
The graph of f(x)=2x^3+x^2-4x-2 is shown. How many of the roots of f(x) are rational
Alexeev081 [22]

We can one theorem to help us find rational roots of this polynomial.

2x^3 + x^2 - 4x - 2

We'll use Descartes' rule of signs.

Because there is 1 sign change, 1 of the 3 roots will be positive.

Now we can make the value of x -1 to see how many negative roots there will be.

-2  + 1 + 4 - 2

There are 2 sign changes, so we know there will be 2 negative roots.

Because of this, we should have 3 real, rational roots.

7 0
3 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRANILIEST
goldenfox [79]

Answer:

87% full

Step-by-step explanation:

<u>To find the solution:</u>

  1. Use the equation p·x=y where x = 13,920 and y = 16,000
  2. Since you are trying to find the percent, divide both sides of the equation by 13,920. p · 13,920(÷13,920) = 16,000(÷13,920)
  3. The step above cancels out the 13,920 leaving you with the answer. p=0.87
  4. 0.87 = 87%
5 0
3 years ago
Read 2 more answers
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irina [24]

the answer is c...........

7 0
3 years ago
A pyramid has a square base with side s. The height of the pyramid is 2/3 that of its side. What is the expression for the volum
Temka [501]

Answer:

The correct option is option D

Step-by-step explanation:

The volume of a pyramid is:

V=1/3(B)(H)

Where

B:Base = s^2

H:Height = 2/3s

Then:

V=1/3(B)(H) = 1/3(s^2)(2/3s) = 2/9s^3

The correct option is option D

8 0
3 years ago
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