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Svetradugi [14.3K]
1 year ago
5

Translate the sentence into an equation Twice the difference of a number and 9 is equal to 5use the variable w for the unknown n

umber
Mathematics
1 answer:
TEA [102]1 year ago
3 0

Let w the unknown number. Then, you have

\begin{gathered} 2(w-9)\rightarrow\text{ Twice the difference of a number and 9} \\ 2(w-9)=5\rightarrow\text{Twice the difference of a number and 9 is equal to 5} \end{gathered}

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jane paid $40 for an item after she received a 20% discount. janes friend says this means that the original price of the item is
olga55 [171]
48x0.2= $9.6
$48-9.6=$38.40 Her friend is incorrect. 
40/48 =0.83 or about 83% So, in this case she only got 17% off. :)
<span>Hope I helped </span>
3 0
3 years ago
Could someone help and explain their answer? (NO LINKS!)<br> Thanks!
Nonamiya [84]

Answer:

5

Step-by-step explanation:

To find the prime factorization of a number, start by dividing the number by each prime number that you can divide by as many times as possible, starting with the smallest prime number and moving up. Then move on to the next prime number. The last division must give a quotient of 1. Then the prime factorization is the product of all the prime factors you divided the number by.

Here's how you use this method with 180.

Here are the first 10 prime numbers:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29

Start by trying to divide by 2. 180 is divisible by 2.

180/2 = 90       90 is divisible by 2.

90/2 = 45         45 is not divisible by 2, so now try 3.

45/3 = 15          15 is divisible by 3.

15/3 = 5            5 is prime, so it is divisible by 5.

5/5 = 1              The divisors in bold are the prime factors of 180.

180 = 2 × 2 × 3 × 3 × 5

180 = 2² × 3² × 5

Answer: 5

3 0
2 years ago
Read 2 more answers
Among the digits of pi currently known, the concentrations of each of the digits 0 - 9 are pretty much equal. however, in the fi
lys-0071 [83]
If you are using windows 10 or maybe windows 7 and above, go to the calculator and request pi. Windows 10's calculator goes up to just over 30 places.

the number that is missing is ,,, 0
3 0
3 years ago
Given that € 1 = £0.72<br> a) How much is € 410 in £?<br> b) What is the £ to € exchange rate?
Alekssandra [29.7K]

Answer:

a) 295.2

Step-by-step explanation:

a) cross multiplication method

€1=£0.72

€410=x

x=€410×£0.72

8 0
3 years ago
Plss help i’ll give brainliest thank you!
SSSSS [86.1K]

Answer:

D

Step-by-step explanation:

absolute value of -25 is 25

and 25>24

3 0
3 years ago
Read 2 more answers
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