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nlexa [21]
3 years ago
6

11) The sum of two numbers is 25. The difference of two numbers is 3.

Mathematics
1 answer:
kupik [55]3 years ago
5 0

Answer:

11) 14 and 11

Step-by-step explanation:

i can't help in number 12 , sorry !

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Which of the expressions is rational
miv72 [106K]

Answer:

the third one

Step-by-step explanation:

the square root of 25 is 5. 5+2 = 7.

this is a rational number (the set of all integers and fractions).

the other 2 portions contain at least one element that is not rational. and so the sum with such a number is not rational.

45 and 7 are no square numbers, and therefore the square root of these numbers contains a neverending chain of digits after the decimal point without having any repeating pattern. these are real numbers but not rational numbers.

6 0
2 years ago
A winch is being used to pull a 3500-lb vehicle 30'. How much work is performed?
AlekseyPX

Answer:

105,000 foot-pounds.

Step-by-step explanation:

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3 0
3 years ago
A girl has 98 beads, and all but 14 were lost. how many beads did she loose?<br>​
castortr0y [4]

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Step-by-step explanation:

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8 0
3 years ago
How can I solve this?<br>Please use the simplest format​
IgorLugansk [536]

Answer:

option D is true.

Step-by-step explanation:

The right-angled triangle is shown.

From the right-angled triangle,

The angle Ф = 60°

We know that the trigonometric ratio

tan Ф = opposite / adjacent

  • opposite = 4
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Thus,

tan 60 = 4 / n

√3 = 4/n

n = 4/√3

Thus,

n = 4/√3

  = (4 × √3) / (√3 × √3)

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Thus,

n  = 4√3 / 3

Using Pythagorean theorem

m = √n²+4²

m=\sqrt{\left(4\cdot \frac{\sqrt{3}}{3}\right)^2+4^2}

m=\sqrt{\frac{4^2}{3}+4^2}

m=\sqrt{\frac{64}{3}}

m=\frac{8}{\sqrt{3}}

m=\frac{8\sqrt{3}}{3}

Thus,

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Therefore, option D is true.

3 0
2 years ago
Identify GCF 4x^2y-8x
pogonyaev

Answer:

The GCF for the numerical part is 4 . The factors for x2

Step-by-step explanation:

3 0
3 years ago
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