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Otrada [13]
3 years ago
15

Algebra Help! I appreciate any assistance.

Mathematics
2 answers:
katrin [286]3 years ago
7 0
Hello!

Given the integer in form of fraction, we should know the denominator. We know the denominator n is 3^x * 5^y.

We should know the greatest divisor of 90.

You have to prime factorize 90.

90|2
45|3
15|3
5|5
1

So 90 = 2 × 3^2 × 5^1

We take the greatest numbers with highest exponents.

That means 3^2 × 5 = 45 <- answer
Kruka [31]3 years ago
4 0
90 = 2 · 3 · 3 · 5 = 2 · 3² · 5¹

If n has the form  3^x5^y  and  \frac{90}{n}  is an integer, then greatest possible value of n = 3² · 5¹ = 45
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What number line represents the solution for the inequality -1\2x&gt;4
BartSMP [9]

Answer:

Step-by-step explanation:

-1\2x>4

-x> 8

x < -8

The one without a shaded knob starting from -8 on the x-axis; projecting leftward.

3 0
3 years ago
What is the number eight in the tens place zero in the ones place and four in the hundreds place
Arturiano [62]
80.04 would be a good start!  No digit given for the tenths place indicates a zero there.

3 0
3 years ago
The zeros of f(x)= 3x^3+16x^2+18x-4
Otrada [13]

After trial and error, you discover that - 2 works.

-2 || 3   16    18   -4

           -6   -20    4

====================================

      3    10  - 2    0

What you have left is a quadratic

3x^2 + 10x - 2 You can just use the quadratic formula to solve for the other 2 roots.

x1 =  [ - 10 +/- sqrt(10^2 - 4*3*(-2) ) ] / 6

x1 =  [ -10 +/- sqrt (100 + 24) ) /6

x1 =  [ - 10 +/- sqrt(124) ) / 6

x1 = [ - 10 +/- 11.14 ] / 6 = 0.1893

x2 = [ - 21.14 ] / 6 = - 3.522

Answer

x1 = - 2

x2 = 0.1893

x3 = - 3.522

4 0
3 years ago
Help I cant fail this test
Elanso [62]

the answer 3x+2y+4=18

7 0
3 years ago
W=5, X=3, Y=4, Z=8<br><br> 9X=
vova2212 [387]

Answer:

27

Step-by-step explanation:

9(3)=27

For my answer I got 27 because brackets means multiply in maths so I multiply 9 by 3 and I got 27

6 0
3 years ago
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