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Ira Lisetskai [31]
3 years ago
6

One number is 17 smaller than another. their sum is 79. find the smaller number

Mathematics
1 answer:
IrinaVladis [17]3 years ago
4 0
The answer is 62 because sum is addition so you have to subtract 79 from 17
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X²=14x-45 step by step please
dolphi86 [110]

Answer:

X=9 and X=5

Step-by-step explanation:

So you want to get one side to equal zero so you can factor and find x. I recommend subtracting 14x and adding 45 to both sides so you don't have to deal with a negative quadratic.

X^2 - 14X +45 = 0

Now you can factor. Your looking for two factors that equal 45 and add to -14

All factors of 45:

1 and 45, 3 and 15, 5 and 9, -1 and -45,

-3 and -15, -5 and -9

So out of those combinations -5 and -9 both multiply to 45 and add up to -14 so these are our common factors

(X-5)(X-9)=0

X-5=0 add 5 to both sides X=5

X-9=0 add 9 to both sides X=9

5 0
2 years ago
The product of three consecutive numbers is 21,924. What is the smallest number out these numbers?
Natasha_Volkova [10]

Answer:

27

Step-by-step explanation:

Let the middle number be x.

(x - 1)(x)(x + 1) = 21,924

You can solve that equation, or you can use logic.

The 3 numbers are going to be close to the cubic root of 21,924.

cubic root of 21,924 = 27.988 or approx 28.

Try 27, 28, 29

27 * 28 * 29 = 21,924

Answer: 27

7 0
2 years ago
Solve the inequality: x^2 - 2.2x + 1.21
Scorpion4ik [409]
No solution / no x

D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
3 0
3 years ago
whitch of the following shows 27/54 written in prime form to help in reducing the fraction to somplest form
guajiro [1.7K]

\dfrac{27}{54}=\dfrac{27:9}{54:9}=\dfrac{3}{6}=\dfrac{3:3}{6:3}=\dfrac{1}{2}

6 0
3 years ago
If the standard deviation of a data set was originally 6, and if each value in the
MakcuM [25]

Answer:

Hi

Step-by-step explanation:

answer is B

hope it helps you

please mark as brainliest

5 0
2 years ago
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