Jana bought a car for $4200 and later sold it for a 30% profit. How much did Jana sell the car for?

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Answer 1

Answer: Jana bought a car for $4200 and later sold it for a 30% profit. How much did Jana sell the car for? $1260

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Variables x and y are in direct proportion, and y = 12.5 when x = 25. If x = 40, then y =A) 20 B) 28.5 C) 52.5 D) 65 will mark brainiest
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What are the next 2 terms in this sequence? -26,-20,-14_, _?
The 25 members of the Reading Club are buying a book to discuss at the next meeting. The club leader got a special price; the book will cost $8.14 for each person. How much will the 25 books cost?
In an experiment using 30 mice, the sample proportion of the mice that gained weight after a drug injection is 0.65. What is the 99.7% confidence interval for the actual proportion in the population?a)between 0.602 and 0.697b)between 0.563 and 0.737c)between 0.476 and 0.824d)between 0.389 and 0.911

Choose the correct simplification of the expression (3xy4)2(y2)3.

Answers

If you would like to solve (3xy^4)^2 * (y^2)^3, you can do this using the following steps:

(3xy^4)^2 * (y^2)^3 = 9x^2y^8 * y^6 = 9x^2y^14

The correct result would be 9x^2y^14.

Answer:

9x2y14

Step-by-step explanation:

just took the test

a jar of cookies contains 18 different types of cookies. Each type is equally likely to be chosen. Based on your simulation, how many times must a cookie be chosen in order to get each type?

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Answer:

Number of Cookies in the jar =18={A,B,C.......,...P,Q,R}

It is given that, each type is equally likely to be chosen.

Probability of an event

$=\frac{\text{Total favorable outcome}}{\text{Total possible outcome}}$

Probability of Getting any of the cookies out of 18 cookies

$=(1)/(18)$

When number of outcomes increases , probability of getting each type of cookie will be Higher.

So, there are 18 cookies , when number of each type of cookie will be

=18 × 18

=324 cookies ,means each distinct single cookie is available in 18 containers, means that is there is total of 324 containers.

So, out of 324 containers each cookie must be chosen 18 times.

1/18th of a chance each time you draw. But it really depends on how many are in the jar. I'd say 18.

Image attached please help me out I will give you brainliest

Answers

Answer:

a) green: 0.3

yellow: 0.1

b) 12

Step-by-step explanation:

Unfortunately, I cant write on the table. But, I CAN help you with this question.

Since all probabilities have to add up to one, we can for an equation like this

(where y is yellow)

0.35+0.25+3y+y=1

This simplified is

0.6+4y=1

4y=0.4

So, we now know that green is 0.3, and yellow is 0.1.

For b, we set 0.35x to 14. Dividing gives us:

14/0.35=1400/35=40.

Multiply 0.3 by 40, and you get 12.

Hope this helped!

Susie is solving the quadratic

Answers

Answer:

Option (D)

Step-by-step explanation:

Standard equation of a quadratic function is,

ax² + bx + c

Comparing this function with the given quadratic function,

f(x) = 2x² - 4x - 3

a = 2, b = -4 and c = -3

By using quadratic formula to get the value of x,

x = $(-b\pm √(b^2-4ac) )/(2a)$

= $(-(-4)\pm √((-4)^2-4(2)(-3)) )/(2(2))$

= $(4\pm√(16+24))/(4)$

= $(-4\pm √(40))/(4)$

= $(-2\pm √(10))/(2)$

Therefore, Susie made a mistake in step IV.

Option (D) is the answer.

What is the lower quartile of the data set 4,10,10,14,4,25,15,22,16,10

Answers

The answer is 8.5

Hope this helped

Please help me answer this. Ty

Answers

I think 63, but I'm not sure, how do I delete an answer-

Answer:

x=63

Step-by-step explanation:

∠BAC=∠ACD=x(AB∥CD)

∠BCA=∠BAC=x(base∠s, isos△)

∠？BC+∠BCA=90（ext.∠of△）

27+x=90

x=90-27

x=63

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