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Elina [12.6K]
4 years ago
15

Variable expression: Four times the result of 3 times a number subtracted from 2.

Mathematics
1 answer:
AleksandrR [38]4 years ago
4 0

Answer:

8-12n

Step-by-step explanation:

We can name "a number,"  "n."

4(2-3n)

Distribute.

4*2=8

4*-3n=-12n

8-12n

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To pass this year's math class, Miriam needs to earn at least an 82%. Write an inequality that shows the scores Miriam could get
sergey [27]

The inequality that shows the scores Miriam could get to pass her math class is 82\%\leq x \leq 100\%

<em><u>Solution:</u></em>

Given that To pass this year's math class, Miriam needs to earn at least an 82%

To find: Inequality that shows the scores Miriam could get to pass her math class

Let "x" be the Miriam's score in the math class

Given she should score at least 82 %

Therefore, we can frame a inequality as:

x\geq 82 \%

Here we used "greater than or equal to" , because she can score 82 % or more than 82 % also

The maximum score is 100 %

Hence we can frame a inequality as:

x\leq 100 \%

Here, we used "less than or equal to" , because she can score the maximum score of 100 % or less than 100 %

Combining both the inequalities we get,

82\%\leq x \leq 100\%

All real numbers greater than or equal to 82% and less than or equal to 100%

Thus the required inequality is found

6 0
3 years ago
What is the width of a rectangle with an area of 5/8 inches and the length of 10 inches?
Nimfa-mama [501]
A = LW......W = A/L
A = 5/8
L = 10

W = (5/8) / 10
W = 5/8 * 1/10
W = 5/80 = 1/16


3 0
4 years ago
4/9 times what equals 1?
ArbitrLikvidat [17]
4/9 *9/4 =1
Use the reciprocal to find your answer :)
Cheers :3
8 0
3 years ago
Which graph is a function of x?
liubo4ka [24]

Answer:

Step-by-step explanation:

No picture. But a function must satisfy the vertical line test. Which means that each value of x has only one value for y. If a graph shows two values for y for a single value of x it is not a function.

6 0
3 years ago
(3 - 13x - 7x^2) - (5x^2 + 12x - 10)
Tatiana [17]

Answer:

Step-by-step explanation:

3 - 13x - 7x^2 - (5x^2 + 12x - 10) =

3 - 13x - 7x^2 - 5x^2 - 12x + 10 =

- 12x^2 - 25x + 13 <===

3 0
3 years ago
Read 2 more answers
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