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miss Akunina [59]
3 years ago
11

45 + 15(n − 1) for n = 6

Mathematics
1 answer:
blondinia [14]3 years ago
3 0

Answer:

120

Step-by-step explanation:

45 + 15 (6 -1)

45 + 15 (5)

45 + 75

120

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If you add one-third of a number to the number itself, you get 16.what is the number?
GuDViN [60]
The answer to this is 12.


One third of 12 is 4.

12+4=16

Comment if you have ANY questions!

Hope this helps!
7 0
3 years ago
Read 2 more answers
If a pair of shoes (price of $40) is on discount for 50% off, then on clearance for another 50% off, what should you be paying a
kogti [31]

50% of $40 is $20

50% of $20 is $10

3 0
3 years ago
For each value of y, determine whether it is a solution to -2y+75-5.<br> Is it a solution?
ser-zykov [4K]

Answer:

• No

• Yes

• Yes

• No

Step-by-step explanation:

To determine if the 4 given values of y are solutions to the inequality, start by solving the inequality. Solving an inequality is just like that of an equation, except that the direction of the sign changes when the inequality is divided by a negative number.

-2y +7≤ -5

Subtract 7 on both sides:

-2y≤ -5 -7

-2y≤ -12

Divide by -2 on both sides:

y≥ 6

This means that the solution can be 6 or greater than 6.

-10 and 3 are smaller than 6 and are not a solutions, while 7 and 6 satisfies the inequality and are therefore solutions.

_______

Alternatively, we can also substitute each value of y into the inequality and check if the value is less than or equal to -5.

Here's an example to check if -10 is a solution.

-2y +7≤ -5

When y= -10,

-2y +7

= -2(-10) +7

= 20 +7

= 27

Since 27 is greater than 5, it is <u>not</u> a solution to the inequality.

3 0
2 years ago
2,8,9,7,6,x;the mean is 6
ANTONII [103]
X equals 4
2+8+9+7+6
=32
6*6
=36
36-32
=4
5 0
3 years ago
5. The rectangular pool has an area of 520 square feet. The length of 3
erastovalidia [21]

Answer:

z*(z - 3) = 520

Step-by-step explanation:

Use the following representations:

Width:  W  

Length:  L = W + 3, or W = L - 3

Area = L*W = L*(L - 3) = 520

Equation b) is the correct one:  z*(z - 3) = 520

4 0
3 years ago
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