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-BARSIC- [3]
4 years ago
12

you have $85 in your bank acount. each week you plan to deposit $8 from your allowance and $15 from ypur paycheck. the equation

b=85+(15+8)w gives the amount b in your account after w weeks how many weeks from now will you habe $175 in your account
Mathematics
2 answers:
polet [3.4K]4 years ago
8 0
It takes 4 weeks with a extra of $2
NeTakaya4 years ago
7 0
15 + 8 = 23. 23 + 85 = 108. 175 - 108 = 67. 67 divided by 23 = 2.9 weeks.
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Ammeters produced by a manufacturer are marketed under the specification that the standard deviation of gauge readings is no lar
AURORKA [14]

Answer:

0.101

Step-by-step explanation:

Given that :

Standard deviation, s = 0.2

Sample variance, s² = 0.0653

Sample size, n = 10

Population variance = σ² = 0.04

We use the Chi square distribution :

(n - 1)s² / σ²

For P(s² ≥ 0.065)

(n - 1)s² / σ² = (10 - 1)*0.0653 / 0.04

(n - 1)s² / σ² = 0.585 / 0.04 = 14.625

P(s² ≥ 14.625) = 0.101 ( chi squee calculator).

8 0
3 years ago
A bread machine is marked "reduced by 15%, now only $101.15".
Art [367]
(100-15=85%)
85=101.15 how about 100 
100 x 101.15 divided by 85=118.882353
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8 0
3 years ago
How many 1/3 pounds serving in 4 2/3 pound of cheese
Marysya12 [62]
Change 4 and 2/3 to an improper fraction.
4 + 2/3 = 14/3
There are 14 of the 1/3 lb serving in 4 and 2/3 pounds of cheese.
3 0
4 years ago
Given f(x) = –5x + 1, what is f(–2)?
Gnesinka [82]
-5(-2)+1 10+1=11 Your answer is C
4 0
3 years ago
If f(x) = 4x + 8 and g(x) = (x+4,<br> what is (fºg)(12)?
svetlana [45]

Answer:

72

Step-by-step explanation:

f(x) = 4x+8\\g(x) = x + 4\\\\1. f(g(x)) = 4(x+4) + 8\\2. f(g(x)) = 4x + 16 + 8\\3. f(g(x))=4x + 24\\\\4. f(g(12)) = 4(12) + 24\\5. f(g(12)) = 48 + 24 = 72\\

To do these, you have to place the entire function inside the parent function's variables.

You are inputting the value of the function g(x) into f(x)

4 0
3 years ago
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