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fredd [130]
2 years ago
9

14 dollars for 4 books​

Mathematics
2 answers:
Rudiy272 years ago
8 0

Answer:

ur question

Step-by-step explanation:

dunno

elixir [45]2 years ago
4 0
3.5 dollars for 1 book
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Q: Solve by the Extraction of Roots method: -<br><br> -5x²=-50
My name is Ann [436]

Answer:

x =  \sqrt{10}

Step-by-step explanation:

- 5 {x}^{2}  =  - 50 \\  {x}^{2}  =  \frac{ - 50}{ - 5}  \\  {x}^{2}  = 10 \\ x =   \sqrt{10}

7 0
2 years ago
Write eachfraction units simplest form.<br><br> 18/4= ____. 24/32=_______
disa [49]

Answer:18/4= 9/2

24/32= 3/4

Step-by-step explanation:

for 18/4 divide both numbers by 2

= 9/2

for 24/32 divide both numbers by 8

=3/4

5 0
3 years ago
Read 2 more answers
For what value of a does 9 = (StartFraction 1 Over 27 EndFraction) Superscript a + 3?
vodka [1.7K]

Answer:

A

Step-by-step explanation:

9 = (1/27)^(a+3)

3² = (3^-3)^(a+3)

3² = 3^(-3a-9)

2 = -3a-9

-3a = 11

a = -11/3

7 0
3 years ago
Your friend invested $500 in his shop to start off, and makes a $20 profit every week afterwards. Find the minimum number of wee
Jet001 [13]
It will take 45 weeks.25 weeks to gain back the 500 dollor he spent and 20 to make 400 dollor from it
5 0
3 years ago
Two pairs of statements about Jeff's housing expenditures are given below. How can both pairs of statements be true?
Irina18 [472]

Explanation:

Pair 1 is true if Jeff's monthly income is $600/20% = $3,000.

Pair 2 is true if Jeff's monthly income is $1200/10% = $12,000.

Both pairs can be true if Jeff's monthly income increased by a factor of 4 in the 20 years from 1990 to 2010.

Obviously, Jeff spent more on housing in 2010. (Fortunately for Jeff, that larger expenditure was a smaller fraction of his income.)

5 0
3 years ago
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