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grin007 [14]
3 years ago
8

if a child ticket is $5.20 and adult tickets are $9.90 and the total sale is $859.00 if there is 120 tickets total how many chil

dren tickets would there be
Mathematics
1 answer:
lesya692 [45]3 years ago
7 0

Answer:

11

Step-by-step explanation:

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In a sale, a shop reduces all its prices by 10%.
stepladder [879]

Answer:

The phone roughly cost 302 dollars

Step-by-step explanation:

10% of 432=43.2

20% of 432=86.4

432-129.6=302.4

3 0
2 years ago
An experiment was conducted to investigate whether there is a difference in mean bag strengths for two different brands of paper
Elanso [62]

Answer:

A two-sample t-test for a difference between sample means

Step-by-step explanation:

<u>Explanation</u>:-

A random sample of 50 bags from each of Brand X and Brand Y was selected

Given two sample sizes n₁ and n₂

Each bag was held from its rim, and one-ounce weights were dropped into the bag one at a time from the same height until the bag ripped

mean of ounces the first sample = x⁻

mean of the  second sample =y⁻

Given data one-ounce weights were dropped into the bag one at a time from the same height until the bag ripped

Standard deviation of the first sample = S₁

Standard deviation of the second sample = S₂

Now we use t - distribution for a difference between the means

t = \frac{x^{-}  -y^{-} }{\sqrt{S^{2}(\frac{1}{n_{1} }  +\frac{1}{n_{2} } } }

where

S^{2} = \frac{n_{1} S_{1} ^{2} +n_{2}S_{2} ^{2}  }{n_{1} +n_{2} -2 }

Degrees of freedom γ = n₁ +n₂ -2

3 0
4 years ago
Kite GHIJ has sides GH, HI, IJ and JG. What are the diagonals of this figure? Select all that apply.
tatyana61 [14]
First, draw a diagram of a kite with sides GHIJ. The sides GH, HI, IJ, and JG are the sides. The diagonals can be determined by connecting the opposite sides. J and H, G and I. Therefore, the diagonals for the Kite GHIJ is JH and GI. 
4 0
3 years ago
Every year, Alice's family runs the sand castle contest during the Fun in the Sun beach festival. Alice's job is to deliver empt
seropon [69]

Answer:

120 buckets

Step-by-step explanation:

If there are 15 teams and each team gets the same number of buckets (8 buckets as mentioned in the problem), then you can multiply 15 by 8 to get 120.

15 teams * 8 buckets = 120 total buckets

8 0
2 years ago
Find n please help me i’m desperate
Rus_ich [418]

Answer:

Step-by-step explanation:

First thing we need to do is to reconcile that r to the negative power.  You do that by following the rules for exponents.  If

\frac{x^m}{x^n}  then the rule is to subtract the lower exponent from the upper:

x^{m-n}

Doing that with our base of r:

\frac{r^3}{r^{-4}}   is  r^{3-(-4)}  which is  r^7

So it looks like what we have now is:

p^3q^2(p^4q^nr^7)=p^7q^5r^7

NOW we will follow the rules for multiplying like bases with exponents.  The rule for that is if you have like bases and you are multiplying those like bases, you add the exponents.  So I'm going to kind of break up that problem and put the like bases together:

p^3p^4q^2q^nr^7=p^7q^5r^7

Working on the left side, p to the 3rd times p to the 4 gives you p to the 7th, which is what we have on the right.  The r to the 7 is also the same on the left and the right.  Working on the q's now, if we have q to the 2nd and we are looking for n, then

q^{2+n}=q^5  so 2 + n = 5 and n = 3

7 0
4 years ago
Read 2 more answers
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