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Charra [1.4K]
2 years ago
14

DOES the given value make the inequalities true? x + 9 > 21, when x = 15?

Mathematics
2 answers:
Kobotan [32]2 years ago
7 0

Answer:

Yes.

Step-by-step explanation:

When x=15,

x+9=15+9=24 > 21.

r-ruslan [8.4K]2 years ago
6 0

Answer:

Yes this is true

Step-by-step explanation:

24 is greater than 21; which means this statement is always true.

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Answer:

  • $24.32

Step-by-step explanation:

<u>The difference in balances is:</u>

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3 0
3 years ago
Find the equation of the line through (0,4) perpendicular to the line y = 3x
Rufina [12.5K]

Answer:

y =  -  \frac{1}{3} x + 4

Step-by-step explanation:

The equation of a line is usually written in the form of y=mx+c, where m is the gradient and c is the y-intercept.

The product of the gradients of perpendicular lines is -1.

Gradient of given line= 3.

(Gradient of line)(3)= -1

3m= -1

m= -  \frac{1}{3}

subst. m= -  \frac{1}{3} into the equation:

y =  -  \frac{1}{3} x + c

To find the value of c, substitute a coordinate.

When x=0, y=4,

4 =  -  \frac{1}{ 3} (0) + c \\ 4 = c \\ c = 4

Thus the equation of the line is y =  -\frac{1}{3} x + 4.

3 0
3 years ago
Help me with this please
qwelly [4]
The fraction is written as 3/4.
If you divide 3 by 4 you will get the decimal.


8 0
2 years ago
Jace invested $380 in an account paying an interest rate of 6.2% compounded continuously. Assuming no deposits or withdrawals ar
SOVA2 [1]

Answer: 960

Step-by-step explanation:

5 0
2 years ago
Evaluate x³ for x=2.
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Answer:

8

Step-by-step explanation:

If we have anything to the third power, we are multiplying the number by itself 3 times.

If x = 2, then the expression is 2^3.

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Hope this helped!

7 0
3 years ago
Read 2 more answers
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