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Anastaziya [24]
3 years ago
14

Which value is the solution to the equation -8 = 6 - 7x? A. -7 B. - 2 C. 2 D. 5​

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
8 0

Step-by-step explanation:

the answer is c: 2..............

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What is the discriminant of 3х^2 + 6x = 2?
Bezzdna [24]

Answer:

Δ = 60

Step-by-step explanation:

Given a quadratic in standard form : ax² + bx + c = 0 : a ≠ 0

Then the discriminant

Δ = b² - 4ac

Given

3x² + 6x = 2 ( subtract 2 from both sides )

3x² + 6x - 2 = 0 ← in standard form

with a = 3, b = 6 and c = - 2

b² - 4ac = 6² - (4 × 3 × - 2) = 36 - (- 24) = 36 + 24 = 60

7 0
3 years ago
Stephen spends 10% of his salary on food, 15% of it on transportation, and saves the remaining 2000. what is his salary?
Ber [7]

Answer:

His salary is $2666.68

Step-by-step explanation:

First add the percent of the costs.       10% + 15% = 25%

Then subtract 25% from 100% to find the percentage that 2,000 is of the total salary.                                                           100% - 25% = 75%

$2,000 is 75% of the total salary. Divide 2,000 by three to find the amount of money 25% of the salary is. ( 75% is 3/4 of 100)                                                         2,000 divided by 3 = $666.67

25% of the salary is $666.67

Multiple that by 4 and you get the total salary.

666.67•4= $2666.68

Are you sure those were all the correct numbers because that was not a very nice number at the end there lol but that answer is correct with the numbers you gave me.


5 0
3 years ago
How many times does 291 go into 4?
Musya8 [376]

Answer: I think it's 72.75

Step-by-step explanation:

You divide 291 and 4 and it equals 72.75

<h3>I dont know if it's the actual answer but i hope this helps :)</h3>
7 0
3 years ago
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Which equation does the graph represent?
Butoxors [25]
It is B because the equation for slope is x/y and when x=1 y=2 so it is 1/2
4 0
3 years ago
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Can someone please take the time out of their day and help me with this question
ruslelena [56]

Answer:

76, 76 104

Step-by-step explanation:

Angle 3 is vertical so it is congruent to Angle 2.

Angle 6 is corresponding, so it is congruent to Angle 2.

Angle 8 is linear to Angle 6, so they add to 180

5 0
2 years ago
Read 2 more answers
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