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Anarel [89]
3 years ago
10

describe what you can do when solving an inequality to assure that the coefficient of the variable term will be positive

Mathematics
1 answer:
OLga [1]3 years ago
5 0
If the coefficient is positive, then just multiply or divide by the same coefficient.
2X less than or equal to 8
divide by 2 throughout to get X is less than or equal to 4

If the coefficient is negative, then multiply or divide by the negative sign and the same number throughout
-2X is less than or equal to 8
divide by -2 throughout to get
 X is GREATER THAN OR EQUAL to 8.
Remember the sign changes when you divide or multiply by negative.
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If a letter is chosen at random from the word MATHEMATICS, what is the probability of choosing a T? A. 1/11 B. 2/11 C. 4/11 D. 5
Xelga [282]
Answer: option B. 2/11

Explanation:

1)
                       number of positive outcomes
Probability = ------------------------------------------
                        number of possible outcomes

2) Number of positive outcomes:

The positive outcome is choosing a T, given that there are two Ts, the number of positive outcomes is 2.

3) Number of possible outcomes

There are 11 letters, so the number of total outcomes is 11.

4) Therefore,

                        2
probability =  ------
                       11
4 0
3 years ago
In a triangle ABC, if angle A = 53 degree and Angle C=45 degree then find the value of Angle B is:​
murzikaleks [220]

Answer:

69

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4 0
2 years ago
Hans will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of $51.96 and costs an a
AlexFokin [52]
X- the miles Hans is driving
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5 0
3 years ago
13) -3x - 4y = 8<br>-4x - 3y=6​
Dvinal [7]

Answer:

x = 0, y = -2

Step-by-step explanation:

-3x - 4y = 8  (1)

-4x - 3y=6​ (2)

Multiply (1) by -4 and (2) by -3, we have:

12x + 16y = - 32  (3)

12x + 9y= -18​ (4)

Subtract (4) from (3), we have:

(12x + 16y) - (12x + 9y) = - 32  - (-18)

<=> 7y = - 14

=> y = - 2

Replace y with - 2 in (3), we have x = 0

6 0
4 years ago
7 - 3 y=34 what does y equal
IRINA_888 [86]

Subtracting 7 and dividing by -3 on both sides shows us that y = -9

5 0
3 years ago
Read 2 more answers
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