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Basile [38]
3 years ago
10

30 point for this plz help!! And explain how you got you answer

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0
The sale price is $7.20. Here are the steps. To find how much 20% is of $9, you must multiply .20 × $9 After that, you end up with $1.80 Take the $1.80 and remove that from the $9 To get a sale price of $7.20
ch4aika [34]3 years ago
4 0

To find the sales price of the DVD, you would multiply the price and sale percent to get the sale price.

You would need to turn 20% into a decimal to multiply it with 9, so you would move the decimal place two times to the left: From 20. to→ .20

In this case: 9 × .20 = 1.8

Then you would subract the sub price by the sales price

9 - 1.8 = 7.2

The sales price of the DVD would be $7.20

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Y=3x write in form of ax+b
rosijanka [135]
Y=3X+0

It is already in the y= mx+b form.

4 0
3 years ago
In a certain​ country, the true probability of a baby being a boy is 0.514. among the next nine randomly selected births in the​
Vadim26 [7]

The probability of a baby being a boy is 0.514.

Nine baby births are selected and we have to find the probability that at last one of them is a girl.

P(At least one out of 9 is baby girl) = 1 - P(No baby girl)

= 1 - P(All 9 are baby boy)

= 1 - (0.514)^9

= 1 - 0.0025

= 0.9975

The probability that at least one out of 9 selected births is baby girl is 0.9975

3 0
4 years ago
1/3x² + x+5/3x² = 1/9<br><br>HAHAHAHA......​
mr_godi [17]

Answer:

Now, 3x 2+x+5⩾0

This is because b² −4ac=1−4×5×3

=−59 (roots are imaginary)

3x²+x+5=(x−3)² =x²+9−6x and x−3⩾0

2x²+7x−4=0

2x²+8x−x−4=0

2x(x+4)−1(x+4)=0

(2x−1)(x+4)=0

x= 1/2 and−4 but x≥3

∴ No solution.

lol hehehe

7 0
3 years ago
Read 2 more answers
An aquarium holds 11.65 cubic feet of water and is 2.2 feet long and 1.6 feet wide. What is its depth? Round your answer to the
Stella [2.4K]
Yes they just need a new one and a couple more dollars to make sure they have a new one in my room so you don’t know how much I need them for me
6 0
3 years ago
The equatorial radius of Earth is approximately 6 x 103 km, while the equatorial radius of Saturn is approximately 104 km. Which
Readme [11.4K]

Answer:6 x 103km = 618km and I believe Saturn is bigger than Earth so "Earth is approx. 6 x 103km" is a lie.

Step-by-step explanation:

3 0
3 years ago
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