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Nataly [62]
3 years ago
15

24/? = 8/9 What is the unknown ratio?

Mathematics
1 answer:
Murljashka [212]3 years ago
7 0
24 divided by 8 is 3.

3 times 9 is 27 so your ratio would be

24/27 = 8/9

or 24: 27= 8:9

so your answer is 27

-Calypso, 8th, Algebra 1 Honers
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What is the residual value when x = 4?<br><br> -6.72<br> -0.58<br> 0.58<br> 6.72
madreJ [45]

Answer:

Brainliest

Step-by-step explanation:

y=2.78(4)-4.4 = 6.72

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3 years ago
A bond is currently selling for $6055, which is 86.5% of its face value. What is its face<br> value?
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3 years ago
Solve 5x^2 − 3x + 17 = 9.
Vedmedyk [2.9K]

Answer:

The roots of the equation are x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

and there are no real roots of the equation given above

Step-by-step explanation:

To solve:

5x² − 3x + 17 = 9

or

⇒ 5x² − 3x + 17 - 9 = 0

or

⇒ 5x² − 3x + 8 = 0

Now,

the roots of the equation in the form ax² + bx + c = 0 is given as:

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

in the above given equation

a = 5

b = -3

c = 8

therefore,

x = \frac{-(-3)\pm\sqrt{(-3)^2-4\times5\times8}}{2\times5}

or

x = \frac{3\pm\sqrt{9-160}}{10}

or

x = \frac{3+\sqrt{-151}}{10} and x = \frac{3-\sqrt{-151}}{10}

or

x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

here i = √(-1)

Hence,

The roots of the equation are x = \frac{3+\sqrt{151}i}{10} and x = \frac{3-\sqrt{151}i}{10}

and there are no real roots of the equation given above

7 0
3 years ago
A hat contains four balls. The balls are numbered 2, 4, 4, and 7. One ball is randomly selected and
vfiekz [6]

Answer:

  • If the sum is 6, a small cone will be ordered.
  • If the sum is 8 or 9, a medium cone will be ordered.
  • If the sum is 11, a large cone will be ordered.

Step-by-step explanation:

The table below shows the possible outcomes from drawing two balls. We see the relative frequencies to be ...

  6: 4

  8: 2

  9: 2

  11: 4

To make a fair decision, we want the relative frequencies of the decision possibilities to be the same. If we combine sums 8 and 9 to one category (medium cone, for example), then 6, (8 or 9), and 11 will all have the same relative frequency: 4.

The appropriate "fair decision" choice is ...

  6: small cone

  8 or 9: medium cone

  11: large cone

6 0
3 years ago
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