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aev [14]
3 years ago
6

The difference of two numbers is 6 and their product is 55 what are the two numbers

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
4 0
Let one number be x.
The other number is x-6

Product of the number is 55
x(x-6) = 55
x² - 6x - 55 = 0
<span> (x + 5)(x - 11) = 0
</span>x = -5 or x = 11

x = -5
x - 6 = -11

x = 11
x - 6 = 5


Answer: The two numbers are either -5 and -11 or 5 and 11.

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A class of 28 students has 12 girls. What is the ratio of girls to boys
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Answer:

3 girls for every 4 boys

Step-by-step explanation:

Number of girls = 12

Number of boys = 28 - 12 = 16

The ratio of girls / boys = 12/16 = 3/4

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3 years ago
What is the volume of a sphere with a radius of 4 cm? Use 3. 14 for pi. Round to the nearest hundredth. 50. 24 cm³ 66. 99 cm³ 20
Nimfa-mama [501]

The volume of the sphere is 267. 95 cm³.

<h2>Given </h2>

The radius of the sphere is 4cm.

<h3>What is the volume of sphere?</h3>

The volume of a sphere is the three-dimensional space occupied by a sphere.

The volume of the sphere is determined by the following formula;

\rm Volume = \dfrac{4}{3} \pi r^3

Where r is the radius of the sphere.

Substitute all the values in the formula;

\rm Volume = \dfrac{4}{3} \pi r^3\\\\\rm Volume = \dfrac{4}{3} \times (3.14) \times 4^3\\\\Volume = 4 \times 1.04 \times 64\\\\Volume = 267.95\ cm ^3

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To know more about Volume of Sphere click the link given below.

brainly.com/question/369459

4 0
2 years ago
What is 7/10 - 2/10 reduced ?
Scorpion4ik [409]

Answer:

1/2

Step-by-step explanation:

7/10 - 2/10 = 5/10

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7 0
3 years ago
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What is the base 8 representation of the number 11100111
katovenus [111]

If the given number is in base 2, that means

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8 = 2³, and so we have

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Because 8 is the 3rd power of 2, we can also split up the given number into block of length up-to 3, then convert each block directly into base 8:

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3 years ago
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ser-zykov [4K]

Answer: so as it is triangular you use A = 1/2 bh and V = Bh

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