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Scorpion4ik [409]
4 years ago
5

Simplify 5(2-7n) add answer pls

Mathematics
2 answers:
FromTheMoon [43]4 years ago
7 0

Answer:

10-35n

Step-by-step explanation:

Neporo4naja [7]4 years ago
3 0

Answer:

10 - 35n

Step-by-step explanation:

5 x 2 - 5 x 7n (multiply each term in the parentheses by 5)

5 x 2 = 10

5 x 7n = 35n

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Jack bought a set of golf clubs for $250 and received a discount of $20 how much was the discount
Airida [17]

percent discount = (discount)/ original * 100

                             = (20)/250 * 100

                            =.08*100

                            = 8 percent

He got an 8 percent discount

                           

7 0
4 years ago
How do you solve <br> 1. X^2-x+1=0<br> 2. X^2-2x+5=0<br><br> In the complex number system ?
Alexxandr [17]
You use the discriminant (b²-sqr(4ac))/2a and if sqr(4ac) inferior to 0 then use i = sqr(-1)
8 0
3 years ago
The mean of the numbers 22,18,(2y+1),10 and 20 is 15. <br>find the median.​
andrezito [222]

Answer:

Median is 18

Step-by-step explanation:

Firstly you have to fine y by using your mean

Therefore, 22+18+(2y+1)+10+20 divide it by the number of the mean that is the sum of the number divide by the total number of the mean which is 5 =15

22+18+2y+1+10+20 over 5 =15

71+y over 5 =15

Cross multiple

71+y=75

y=4

22,18,9,10, 20

Rearrange

9,10,18,20,22

The median is 18

Pls mark answer as brainliest

4 0
3 years ago
The original price of the DVD is nine dollars the sale price is 80% of the price what is the sale price of the DVD?
Vilka [71]
Let's rewrite the information then figure out the answer. 

DVD: $9.00 originally but on sale with an 80% discount. 
80%=0.80
9.00(0.80) = $7.20
$9.00 - $7.20 = $1.80

Thus, the sales price is: $1.80
3 0
3 years ago
Read 2 more answers
Which shows the decimal 1.7 expressed as a fraction in simplest form?
Evgen [1.6K]
13/7 does I hope I could help
7 0
3 years ago
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