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Marianna [84]
3 years ago
7

15 POINTS PLS HELP MATHEMATICS 7(2e−1)−3=6+6e Solve for e

Mathematics
2 answers:
mestny [16]3 years ago
6 0

Answer:

e=2

Step-by-step explanation:

7(2e−1)−3=6+6e

Distribute

14e -7 -3 = 6+6e

14e -10 = 6+6e

Subtract 6e from each side

14e-6e -10 = 6+6e-6e

8e -10 =6

Add 10 to each side

8e -10+10 = 6+10

8e = 16

Divide by 8

8e/8 = 16/8

e=2

maks197457 [2]3 years ago
3 0

Now,

7 (2e - 1) - 3 = 6 + 6e

or, 14e - 7 - 3 = 6 + 6e

or, 14e - 10 = 6 + 6e

or, 14e - 6e = 6 + 10

or, 8e = 16

◆ e = 2

I hope you understand...

This is a Right answer...

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If three points (5,1) , (1,-1) and (m,4) are collinear.Find m​
krek1111 [17]

Answer:

m = 11

Step-by-step explanation:

Since the points are collinear then the slope between points are equal.

Calculate the slope m using the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (5, 1) and (x₂, y₂ ) = (1, - 1)

m = \frac{-1-1}{1-5} = \frac{-2}{-4} = \frac{1}{2}

Repeat with

(x₁, y₁ ) = (1, - 1) and (x₂, y₂ ) = (m, 4)

m = \frac{4+1}{m-1} = \frac{5}{m-1} = \frac{1}{2}

Cross- multiply

m - 1 = 10 ( add 1 to both sides )

m = 11

8 0
2 years ago
Bob and mark talk about their families. Bob says he has 3 kids, the product of their ages is 72. He gives another clue: the sum
taurus [48]
I can only give possible combinations of the ages. This is because only the product is given. Had the sum of all ages been given, possible combinations would boil down into 1 combination.

3 kids with a youngest. This means that the ages are not the same.
We do prime factorization to get the age combination.

72 ÷ 2 = 36
36 ÷ 2 = 18
18 ÷ 2 =   9
  9 ÷ 3 =   3
  3 ÷ 3 =   1

1 x 2 x 2 x 2 x 3 x 3 = 72

Possible combination with no repeating number.

1 x 8 x 9 = 72
2 x 4 x 9 = 72
4 x 6 x 3 = 72
1 x 6 x 12 = 72
4 0
3 years ago
FIRST ANSWER GETS BRAINLIEST solve 4x-9y=11 for y
Andrei [34K]

i think its 5 honestly.

7 0
3 years ago
Simplify the following polynomial
Amiraneli [1.4K]

Answer:

-3x^4 - 13x^3 + 14x - 7

Step-by-step explanation:

(5x^4 – 9x^3 + 7x – 1) + (-8x^4 + 4x^2 – 3x + 2) - (-4x^3 + 5x - 1)(2x – 7)

simplify multiplied terms

(-4x^3 + 5x - 1)(2x – 7)

(-4x^3+10x-8)

group like terms together

(5x^4-8x^4) + (-9x^3-4x^3) + (7x-3x+10x) + (-1+2-8)

simplify grouped terms

-3x^4 - 13x^3 + 14x - 7

3 0
3 years ago
adria is putting down floor tiles in her kitchen.each tile has an area of 1 square foot. Twelve square feet of tile costs $7. ad
pychu [463]
9*16=144
144*$7=1008

$1008
3 0
3 years ago
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