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Umnica [9.8K]
2 years ago
5

Find two numbers such as a no. exceeds the other by 18 , there sum should be 92​

Mathematics
1 answer:
siniylev [52]2 years ago
4 0

Answer:

15 21

Step-by-step explanation:

362

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What is the general form of the equation of a circle with its center at (3,5)
goldenfox [79]

Answer:

2,5 maybe

Step-by-step explanation:

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2 years ago
The sum of twice a number and five is 13. Find the number.
Eduardwww [97]

4

let the number be x

so by the question , 2x+5=13

solving this we get ,

2x=13-5

2x=8

so x=4

6 0
3 years ago
Read 2 more answers
Help please!
wlad13 [49]

Answer:

none of these, it should be 25%

Step-by-step explanation:

5 0
2 years ago
Find the slant height l of the cone given the surface area S.
Oduvanchick [21]

9514 1404 393

Answer:

  15 cm

Step-by-step explanation:

The formula for the surface area of the cone is ...

  A = πr² +πrL =  πr(r +L)

The radius of this cone is half its diameter so is (12 cm)/2 = 6 cm. Then the slant height L can be found from ...

  126π cm² = π(6 cm)(6 cm +L)

  21 cm = 6 cm +L . . . . . . . . . . . . . . divide by 6π cm

  15 cm = L . . . . . . . . . . . . . . . . subtract 6 cm

The slant height is 15 centimeters.

6 0
2 years ago
Which of the following represents the sum of the polynomials below?
zysi [14]

Answer:

A

Step-by-step explanation:

First, you have to align the like terms next to each other so that it will be easier to combine like terms. (Like terms have the same variables and powers)

6x^3+(-2x^3)+2x^2+5x^2+9x+3x

Combine like terms:

(When combining like terms all you have to do is add/subtract the coefficients, number in front of variables, and leave the variable and exponents)

6x^3+(-2x^3)= > 6x^3-2x^3=4x^3

2x^2+5x^2=7x^2

9x+3x=12x

So, we get 4x^3+7x^2+12x

3 0
11 months ago
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