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Free_Kalibri [48]
3 years ago
7

Solve the system using linear combination.

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
8 0

Answer:

Delta does not have a relative extreme in the equation, so it is variable y It can not be true

Step-by-step explanation:

s = 5x + 3y

There is an answer

The rest of the equation that has no substituted delta is not true, so the prime variables have relative extremes.

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Determine the value of c that satisfies the given relation. 3c-1/3=c/2
Aleks [24]

Answer:

2c - 3

Step-by-step explanation:

3c -  \frac{1}{3}  =  \frac{c}{2}  = 2c -  \frac{1}{3} (2) = 2c -  \frac{2}{6}  = 2c - 3

5 0
3 years ago
Pls help! Pls pls answer correctly
frez [133]
1) The correct answer would be -48/-6.

    -48 divided by -6 equals to 8.
     48 divided by -6 equals to -8.

     Because a positive (8) is always bigger than a negative (-8). The second option is correct.

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2) The correct answer is -6.

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3 years ago
Answer and explain how you did it for brainest and 15 points.
kondaur [170]

Answer: 28 in

Step-by-step explanation:

To find the perimeter we need to add all the sides

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3 years ago
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−4t + 9 ≥ −7 PLEASE HELPPP
stellarik [79]

Answer:

t is less than or equal to 4

Step-by-step explanation:

7 0
3 years ago
In a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, Brad has sc
antiseptic1488 [7]

Answer:

26\leq x\leq 62

Step-by-step explanation:

Let x represent Brad's score on 4th test.

We have been given Brad has scored 87, 89, and 78 on the first three.

To find the range of Brad's test score, we will represent our given information in an inequality as:

70\times 4\leq 87+89+78+x\leq 79\times 4

280\leq 254+x\leq 316

280-254\leq 254-254+x\leq 316-254

26\leq x\leq 62

Therefore, the range of score on the fourth test will be 26\leq x\leq 62.

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3 years ago
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