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Marina86 [1]
3 years ago
10

(who are you riddle) I'm smaller than 24. I am a common multiple of 7 and 3

Mathematics
2 answers:
WARRIOR [948]3 years ago
8 0
The answer IS 21 because 7 x3 is less than 24 it's 21
sergiy2304 [10]3 years ago
6 0
I think the answer is 21.
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coldgirl [10]
Comparative relationships between numbers
7 0
3 years ago
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I need help solving this equation<br> 4n-9=2(5+2n)
Nastasia [14]

First, use distributive property on the right half.

2 * 5 = 10

2 * 2n = 4n

4n - 9 = 10 + 4n

Add 9 to both sides

4n = 19 + 4n

Subtract 4n from both sides

0 = 19

But thats not true. Therefore, there is no solution.

4 0
3 years ago
The difference of the square of a number and 24 is equal to 5 times that number. Find the negative solution.
vampirchik [111]

Answer:

the "negative solution" is -3

Step-by-step explanation:

Represent the number by n.

Then n^2 - 24 = 5n

We rewrite this in standard quadratic form:

n^2 - 5n - 24 = 0

This factors as follows;  (n + 3)(n - 8) = 0

The roots are n = -3 and n = 8.  Thus, the "negative solution" is -3

8 0
3 years ago
Suppose , varies jointly with g and v, and j = 2 when g = 4 and v= 3.
kap26 [50]

Answer:

j = 44/3

Step-by-step explanation:

j varies jointly as g and v. This can be represented mathematically as:

j \alpha gv\\j = kgv.............(1)

Where k is a constant of proportionality

j = 2 when g = 4 and v = 3

Substitute these values into equation (1)

2 = k * 4 * 3

2 = 12 k

k = 1/6

when g = 8 and v = 11:

j = (1/6) * 8 * 11

j = 44/3

7 0
3 years ago
identify all the pionts that would lie on the line y=1/3x + 9. answer choices A: 0,9 B: -9,6 C: 3,10 D: 12,-5
OlgaM077 [116]

To find out if the points lie on the line y = 1/3x + 9, plug in the x value of the coordinate into the equation and see if the y value results in the same number


A. (0,9)

y = 1/3x + 9       Plug in 0 for "x"

y = 1/3(0) + 9

y = 9            This point is on the line


B. (-9,6)

y = 1/3x + 9         Plug in -9 for "x"

y = 1/3(-9) + 9

y = -9/3 + 9

y = -3 + 9

y = 6             This point is on the line


C. (3,10)

y = 1/3x + 9        Plug in 3 for "x"

y = 1/3(3) + 9

y = 3/3 + 9

y = 1 + 9

y = 10         This point is on the line


D. (12, -5)          

y = 1/3x + 9          Plug in 12 for "x"

y = 1/3(12) + 9

y = 12/3 + 9

y = 4 + 9

y = 13       This point is not on the line



Your answer is A, B, and C

3 0
3 years ago
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