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Anna11 [10]
3 years ago
6

0.4x + x2.9 = 1.5 what is x

Mathematics
2 answers:
Gekata [30.6K]3 years ago
6 0
5/11 or decimal form 0.45
mixas84 [53]3 years ago
4 0

Answer:

3.3x =15

x=15÷3.3

x= 4.5454545454

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Fred and Jimmy are brothers. Jimmys age is 5 more than twice the age of Fred. if the total of their ages is 23 years, how old is
Hatshy [7]

Answer:

Fred is 6

Jimmy is 17

Step-by-step explanation:

Jimmy's age =2x +5

Fred's age =x

x+2x+5=23

3x=23-5

3x=18

x=6

Jimmy's age =2(6)+5=17

Fred is 6

5 0
3 years ago
Two integers have a sum of 42 and a difference of 22. The greater of the two<br> integers is
DochEvi [55]
Let
x = larger integer
y = smaller integer

The two integers (x and y) have a sum of 42 which means they add to 42

x+y = 42

solve for y to get 

y = 42-x

simply by subtracting x from both sides

---------------------------------------------------

The two integers have a difference of 22. This translates to "subtract the values and the result will be 22", i.e.,

x-y = 22

Plug in y = 42-x. Solve for x

x-y = 22
x-(y) = 22
x - (42-x) = 22
x - 42 + x = 22
2x - 42 = 22
2x - 42+42 = 22+42
2x = 64
2x/2 = 64/2
x = 32

If x = 32, then y is...
y = 42-x
y = 42-32
y = 10

Therefore, 
x = 32
y = 10

The final answer is 10

5 0
4 years ago
Read 2 more answers
What is 1 1/3 and 1.3 closest to 0,1,2,3 and how
polet [3.4K]
1, because 1 1/3 is only 1/3, or 0.3 recurring, away from 1, but it is 2/3, or 0.6 recurring, away from 2.
4 0
3 years ago
WILL MARK BRAINLIEST A bag contains 16 marbles. There are 4 green, 10 red, and 2 blue marbles. One marble is selected at random.
KonstantinChe [14]
2 and 4 are false
Explain: it could not be certain unless there was 16 green and it is likely that red would be picked as it is the most common
3 0
3 years ago
Read 2 more answers
The simple interest will not always be less than the compound interest on a set of money borrowed.
vaieri [72.5K]

Answer:

False

Step-by-step explanation:

Simple interest is the percentage rate that a borrower pays to borrow money for a set period of time, whereas compound interest is calculated on top of what has already been borrowed, which means that as time passes, more and more interest charges accumulate until repayment begins. e. when a borrower pays interest on the principal plus interest charges that have accrued.

8 0
2 years ago
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