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rjkz [21]
3 years ago
7

Solve 6x - 7y= 16 for y.

Mathematics
2 answers:
MakcuM [25]3 years ago
5 0

6x - 7y = 16

Subtract 6x from both sides.

-7y = -6x + 16

Divide both sides by -7

y = 6/7x - 16/7

WITCHER [35]3 years ago
4 0

Answer:

y = 6/7x -16/7

Step-by-step explanation:

6x - 7y= 16

Subtract 6x from each side

6x-7y-6x = -6x+16

-7y = -6x+16

Divide by -7

-7y/-7 = -6x/-7 + 16/-7

y = 6/7x -16/7

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Abigail is 54. Inches tall which of the following is Abigail height
Tresset [83]

Answer:

4.5 feet

Step-by-step explanation:

One foot is 12 inches, therefore she is 4 (12x4=48) and she would have 6 left over which is half of a foot. (:

3 0
3 years ago
Find the values of y which makes the expression (2y + 7) /(y2 - 2y - 15) undefined?
sammy [17]

The  given expression becomes undefined when y=5 or y = -3. The answer is option D.

Step-by-step explanation:

The value of the given expression becomes undefined when the denominator equals 0.

Hence to find the value of y which makes the expression undefined, we can equate the value of the denominator to zero and solve it .

Step 1

  Equate the denominator to 0.

  y^{2}  - 2y -15 = 0

Step 2

   Solve the above equation to get the value of y.

     y^{2}  - 2y -15 = 0

    => (y-5)(y+3) =0 [ Roots of the quadratic equation]

   => y = 5 or y = -3.

Hence when y = 5 or y = -3 the denominator becomes 0, which makes the expression (2y+7)/0  and hence it is undefined.

 

8 0
3 years ago
An arithmetic sequence has the explicit formula an = 7n – 17. What is the value of a1?
Talja [164]
A1=7*1 - 17= 7 - 17 = - 10
3 0
3 years ago
Read 2 more answers
I appreciate all the help guys! Need help on this one y’all
lisov135 [29]
You are looking for a speed in miles per hour, so start by converting 90 minutes into hours.

90/60 = 1.5

90 minutes = 1.5 hours

speed = distance/time = (105 miles)/(1.5 hours) = 70 mph
4 0
3 years ago
HELP!! ASAP PLEASE!! WILL GIVE BRAINLIEST!!
patriot [66]

Answer:

6^-4 ÷ 3^-4

6^-4/3^-4

Since their powers are negative

Flip them both so the negative index is lost.

It now becomes

3^4/6^4

81/1296

=1/16

6 0
3 years ago
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