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Alina [70]
3 years ago
6

9.58 as a mixed number

Mathematics
2 answers:
tankabanditka [31]3 years ago
4 0
9.58 = 9 58/100 = 9 29/50
qwelly [4]3 years ago
4 0
We have to write 9.58 in the form of a fraction 
9.58 in the expanded form is - 9 + 0.58 
there are 9 whole numbers and
 0.58 in the decimal form can be written as a fraction as 58/100
then the fraction is 9 whole numbers + 58/100
mixed number or mixed fraction is written as a whole number and fraction 
the mixed number is 
9\frac{58}{100}
the fraction can be simplified by dividing both numerator and denominator by same number 
\frac{58}{100} /2 =   \frac{29}{50}
then answer is 
9\frac{29}{50}

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The difference of the present ages of two sister in 5 yrs
Gekata [30.6K]

Answer:

4 and 9

Step-by-step explanation:

let their ages be x and x - 5, then in 4 years their ages will be

x + 4 and x - 5 + 4 = x - 1 , and the product is 104, thus

(x + 4)(x - 1) = 104 ← expand factors on left using FOIL

x² + 3x - 4 = 104 ( subtract 104 from both sides )

x² + 3x - 108 = 0 ← in standard form

(x + 12)(x - 9) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 12 = 0 ⇒ x = - 12

x - 9 = 0 ⇒ x = 9

However, x > 0 ⇒ x = 9

Thus

Their present ages are 9 and 9 - 5 = 4

4 0
3 years ago
If a polynomial has one root in the form a+√b , it has a second root in the form of a_√b
gulaghasi [49]
When roots of polynomials occur in radical form, they occur as two conjugates.
That is,
The conjugate of (a + √b) is (a - √b) and vice versa.
To show that the given conjugates come from a polynomial, we should create the polynomial from the given factors.

The first factor is x - (a + √b).
The second factor is x - (a - √b).

The polynomial is
f(x) = [x - (a + √b)]*[x - (a - √b)]
      = x² - x(a - √b) - x(a + √b) + (a + √b)(a - √b)
      = x² - 2ax + x√b - x√b + a² - b
      = x² - 2ax + a² - b

This is a quadratic polynomial, as expected.

If you solve the quadratic equation x² - 2ax + a² - b = 0 with the quadratic formula, it should yield the pair of conjugate radical roots.
x = (1/2) [ 2a +/- √(4a² - 4(a² - b)]
   = a +/- (1/2)*√(4b)
   = a +/- √b
x = a + √b, or x = a - √b, as expected.
3 0
3 years ago
Read 2 more answers
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77julia77 [94]
The smallest value for n is -3
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8 0
3 years ago
a cake using eggs and potatoes in the ratio of 2 to 5 if he uses sex as how many potatoes will he need
tamaranim1 [39]
When eggs = 2, then potatoes = 5

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Potatoes: 5

When that is changed to 6 eggs, 2 needs to be multiplied by a number to get 6.

2 * what = 6      or      6/2=

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4 0
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I don’t even know the answer to be honest
4 0
3 years ago
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