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pishuonlain [190]
3 years ago
15

An adult ticket to a football game was $1.75. A student ticket was $1.25. The number of student tickets sold was twice the numbe

r of adult tickets. The total from the ticket sales was $850. If a represents the number of adult tickets, which linear equation can be used to determine how many adult tickets were sold?​
Mathematics
1 answer:
Vika [28.1K]3 years ago
7 0

Answer:

1.75/1.25=1.4

Step-by-step explanation:

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What is the value of st divided by (6r) if r =5 and t =45
SVEN [57.7K]
Write "st div. by 6r" as

  st
-------
   6r
                                                                                   45s        15s        3s
If r =5 and t = 45, but s is unknown, then we get    --------- = --------- = -------
                                                                                    6(r)        2(5)        2
8 0
3 years ago
Is 0.9 <,>,or = to 4/25
Nina [5.8K]

Answer:

greater than (>)

Step-by-step explanation:

4/25=0.16

0.9>0.16

8 0
3 years ago
In a random sample of 200 Americans, 51% said they favor building more nuclear power plants. In a random sample of 150 French, 4
Varvara68 [4.7K]

Answer:

Yes, there is enough evidence to say the proportions are the same.

Step-by-step explanation:

Null hypothesis: The proportions are the same.

Alternate hypothesis: The proportions are not the same.

Data given:

p1 = 51% = 0.51

n1 = 200

p2 = 48% = 0.48

n2 = 150

pooled proportion (p) = (n1p1 + n2p2) ÷ (n1 + n2) = (200×0.51 + 150×0.48) ÷ (200 + 150) = 174 ÷ 350 = 0.497

Test statistic (z) = (p1 - p2) ÷ sqrt[p(1-p)(1/n1 + 1/n2) = (0.51 - 0.48) ÷ sqrt[0.497(1-0.497)(1/200 + 1/150)] = 0.03 ÷ 0.054 = 0.556

The test is a two-tailed test. At 0.10 significance level the critical values -1.645 and 1.645

Conclusion:

Fail to reject the null hypothesis because the test statistic 0.556 falls within the region bounded by the critical values.

8 0
2 years ago
Find the value of "c" by completing the square.<br><br>h²- 16h + c​
Sunny_sXe [5.5K]

Answer:

c = 64

Step-by-step explanation:

(a-b)² = a² - 2ab + b²

h²- 16h + c​

So, 2ab = 16h

2 * h * b = 16h    {as a =h}

b= 16h / 2h

b = 8

c = b² = 8*8 = 64

3 0
2 years ago
Let f(x)=3x and g(x)=x^2+5. Perform function operation g(x)/f(x). State the domain.
tangare [24]
We have that

<span>f(x)=3x
g(x)=x</span>²<span>+5
</span>g(x)/f(x)=[x²+5]/[3x]

<span>that new function will exist for all real numbers except the value of zero, value for which it becomes indefinite
</span>
the domain is the interval (-∞,0) U (0,∞)

using a graph tool
see the attached figure

3 0
3 years ago
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