318 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold?

Answer: See below

Step-by-step explanation:

A) [tex]-x+2y < -4[/tex]

[tex]-x+2y-2y < -4-2y[/tex]

[tex]-x < -4-2y[/tex]

Multiply both sides by -1 and reverse the inequality:

[tex]\left(-x\right)\left(-1\right) > -4\left(-1\right)-2y\left(-1\right)[/tex]

[tex]x > 4+2y[/tex]

B) [tex]2x+3y > 6[/tex]

[tex]2x+3y-3y > 6-3y[/tex]

[tex]2x > 6-3y[/tex]

[tex]\frac{2x}{2} > \frac{6}{2}-\frac{3y}{2}[/tex]

[tex]x > \frac{6-3y}{2}\\x > 3-\frac{3y}{2}[/tex]

Answer:

the opposite of the fraction is 3/8

Answer:

D.No, because the total earned is $1255.70 per month.

Step-by-step explanation:

Essentially if your cost is 1543 a month, you simply wouldn't be able to afford it.

If you plug in 7.25 and 40 (you get 290) . With this information we plug it into weeks. In a month there are approximately 4.345 weeks (you can just times 290 by

4.34) which gives the stated result in the answer choice.

A person would not be able to live here and cover other expenses if they worked 7.25 for 40 hours!

Answer:

280 degrees

Step-by-step explanation:

To change radians to degrees, we can use the conversion factor

180/pi

14 pi/9  * 180/pi

Canceling like terms

14/9 * 180

280 degrees

Answer:

6.5ft

Step-by-step explanation:

The length of blocks times 2

Answer:6.5

Step-by-step explanation:

all you have to do is take 3.25 and times it by two

Answer:

2d+44

Step-by-step explanation:

Multiply all numbers without variables:

11x4=44

Add equations:

2d+44

Hence, the correct answer is 2d+44

Answer:

2d+44

Step-by-step explanation:

Multiply:

11x4=44

Final Equation:

2d+44

Step-by-step explanation:

y = 3cos(x) - 5

Domain = 2sin(x)

Range = 5

Answer:

5.7 is the answer I had the same question in my test

Answer: 171/4, and 14.25

Step-by-step explanation:

We can solve this by first finding the area of each piece of fabric. Area is width multiplied by height, so:

3 * (4+3/4) = 57/4

We can multiply our answer by 3 again to find the total area.

57/4 * 3 = 171/4

To find the fabric as a decimal, we can first put it as a mixed fraction

[tex]14\frac{1}{4}[/tex]

This becomes 14.25

Answer:

B

Step-by-step explanation:

-9.1(-4)-9.1(12)=-9.1(-4+12)

Answer: A

Step-by-step explanation:

C lies below g(x) and f(x), so we need [tex]f(x) \leq 3x+4[/tex] and [tex]g(x) \leq -\frac{1}{2}x-5[/tex].

Answer:

40%

Step-by-step explanation:

Total amount is 15

6 out of the 15 amount are apples

Thus, 6/15 x 100 = 40%

Or

You could ask yourself, what number do I multiply by 15 to get to 100?

Then, multiply the top (numerator) by it.

The value of the numerator will give you the final % (percentage) due to percentage being out of 100.

Hope this helps!

Answer:

[tex]x=\sqrt{40}, y=\sqrt{104}[/tex]

Step-by-step explanation:

Note the triangle formed by x, y, and 8 is similar to the largest triangle

so x : c = 8 : y = y : 13, where c is the rightmost vertical length, c² = x² + 5²

From 8 : y = y : 13, we get
y² = 13*8 = 104, so

[tex]y=\sqrt{104}[/tex]

From x : c = 8 : y, we have xy = 8c

x²y² = 64c²

104x² = 64(25 + x²)

104x² = 1600 + 64x²

40x² = 1600

x² = 40

[tex]x=\sqrt{40}[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{17.1\% of 128}}{\left( \cfrac{17.1}{100} \right)128}\implies 21.888~~ \approx ~~22[/tex]

Step-by-step explanation:

60x + 3300 = 24000

60x = 24000 - 3300

60x = 20700

x = 20700 ÷ 60

x = 345

x ≤345

Answer:

.a^3-2a+3a^2+1\right)and\left(3-2a+a 2\ri

Step-by-step explanation:

pls brainliest

Answer:

the answer is 4a^2

Step-by-step explanation:

i just took the test

Answer:

is that the whole question?

Step-by-step explanation:

Using confidence interval concepts, it is found that the interval estimate is (0.274, 0.364), and it means that we are x% sure(considering the confidence level) that the proportion of all voters in the city that plan to vote for the Democratic candidate is between these two values.

It is given by the sample proportion plus/minus the margin of error, and a x% confidence interval means that we are x% sure the population proportion is in the interval.

134 of 420 randomly chosen likely voters indicated that they planned to vote for the Democratic candidate, hence:

p = 134/420 = 0.319

The margin of error for the statistic is 0.045, hence:

0.319 - 0.045 = 0.274

0.319 + 0.045 = 0.364

The interval estimate is (0.274, 0.364), and it means that we are x% sure(considering the confidence level) that the proportion of all voters in the city that plan to vote for the Democratic candidate is between these two values.

More can be learned about confidence interval concepts at https://brainly.com/question/25890103

Answer:

17

Step-by-step explanation:

17*5=85

4(17+2)=76

Answer:

the number= 17

Step-by-step explanation:

4 (x +2) = 5x -9

4x + 8 = 5x - 9

5x - 4x = 8 + 9

x= 17

Answer:

120

Step-by-step explanation:

3 x Z =

3 x 40=

120

HOPE THIS HELPS!!!

Answer:

48

Step-by-step explanation:

We must first find what is 75% of 64 (x), in order to find what this number is 120% of (y).

To find percentages, we can use the formula[tex]\frac{is}{of}=\frac{p percent}{100}[/tex], and we cross multiply and divide to find either the is value, of value, or the percent.

Thus, we have[tex]\frac{x}{64}=\frac{75}{100}\\ \\ 100x=(64*75)\\\\\frac{(100x=(64*75))}{100} \\\\x=48[/tex]

Now we want to find what 48 is 120% of:

[tex]\frac{48}{y}=\frac{120}{100} \\\\ 120y=(48*100)\\\\[/tex]

[tex]\frac{(120y=(48*100)}{120} \\\\y=40[/tex]

The equation that's been computed shows that the number of cell phones that his family can have will be 2.

From the question, it was stated that the cell phone company charges $50 plus $40 per line each month and that Luke must spend under $170 on his family's cell phone bill each month.

Let the number of cell phones that can be bought be represented by x.

The equation to solve the question will be:

50 + 40(x) < 170

50 + 40x < 170

Collect like terms

40x < 170 - 50

40x < 120

x < 120/40

x < 3

Therefore, the number of cell phones has to be less than 3. Hence, this will be 2.

Learn more about equations on:

brainly.com/question/13763238

Answer:

mad is 0

Step-by-step explanation:

what type of question is this? no offense

Answer:

0

Step-by-step explanation:

Answer:

I think 1. is convenience sampling and the 2. is stratified ranom sampling

Step-by-step explanation:

I really hope this helps!

Please mark brainliest!

Have an amazing day!

Answer: x=1, y=1, z=-1

Step-by-step explanation:

From the first and 3rd equation, 2x+9y=11.

The first equation is also 4x+16y-4z=24, so add that to the second equation, and you get 6x+27y=33.

Solving, we get x=1 and y=1, meaning that z=-1.

Answer:

7.33

Step-by-step explanation:

l/b=3/2

8.6/b=3/2

3b=8.6*2

b=17.2/3

b=7.33

Answer:

I think it's A

Step-by-step explanation:

seems like the only one that is correct

Answer:

[tex]p=\frac{d}{2}+4x[/tex]

Step-by-step explanation: