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EleoNora [17]
3 years ago
6

Write in equation passing through the point that is parallel to (8,3); y=-1/4x+7

Mathematics
2 answers:
BaLLatris [955]3 years ago
7 0

Answer:

y=-1/4x+5

Step-by-step explanation:

Use the point-slope form which is y-y1=m(x-x1) where m is the slope. In this case, y is equal to 3, and x is equal to 8, and the slope is equal to -1/4. Therefore, the equation will be equal to y-3=-1/4(x-8). Simplify that to get        y-3=-1/4x+2. Simplify this again to get y=-1/4x+5. Therefore, the equation is y=-1/4x+5.

Reika [66]3 years ago
4 0

Answer:

y = -1/4x + 5

Step-by-step explanation:

Since the lines are parallel, they have the same slope, which is -1/4

Use the point-slope form to do this problem

y - y_{1}  = m(x - x_{1})  Memorize this form. OK?

y - 3 = -1/4(x - 8)

4y - 12 = -1(x - 8) = -x + 8

4y = -x + 20

y = -1/4x + 5

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What is the slope-intercept form of the linear equation 2x + 3y = 6? Drag and drop the appropriate number, symbol, or variable t
aev [14]

Answer:

y=-\frac{2}{3}x+2

Step-by-step explanation:

y = -2/3 x + 2

5 0
2 years ago
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Solve: 6x + 10 = 4x -8. Determine how many solutions? (exactly one, infinitely many, no solution)
Vesnalui [34]
  • Answer:

<em>x = - 9</em>

  • Step-by-step explanation:

<em>6x + 10 = 4x - 8</em>

<em>6x - 4x = - 10 - 8</em>

<em>2x = - 18</em>

<em>x = - 18 : 2</em>

<em>x = - 9</em>

7 0
3 years ago
a collection of dimes and quarters is worth $19.85. There are 128 coins in all. How many of each type of coin are in the collect
PolarNik [594]

Number of dimes were 81 and number of quarters were 47

<em><u>Solution:</u></em>

Let "d" be the number of dimes

Let "q" be the number of quarters

We know that,

value of 1 dime = $ 0.10

value of 1 quarter = $ 0.25

<em><u>Given that There are 128 coins in all</u></em>

number of dimes + number of quarters = 128

d + q = 128 ------ eqn 1

<em><u>Also given that collection of dimes and quarters is worth $19.85</u></em>

number of dimes x value of 1 dime + number of quarters x value of 1 quarter = 19.85

d \times 0.10 + q \times 0.25 = 19.85

0.1d + 0.25q = 19.85  -------- eqn 2

<em><u>Let us solve eqn 1 and eqn 2</u></em>

From eqn 1,

d = 128 - q -------- eqn 3

<em><u>Substitute eqn 3 in eqn 2</u></em>

0.1(128 - q) + 0.25q = 19.85

12.8 - 0.1q + 0.25q = 19.85

12.8 + 0.15q = 19.85

0.15q = 7.05

<h3>q = 47</h3>

Therefore from eqn 3,

d = 128 - q

d = 128 - 47

<h3>d = 81</h3>

Thus number of dimes were 81 and number of quarters were 47

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3 years ago
PLEASE HELP ASAP I WILL MARK BRAINLIEST!!!
Setler79 [48]

the answer on number 14. is ×=3 your welcome now please give me brainlest

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2 years ago
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Hugo works in a shop.
slava [35]

Answer:

£111

Step-by-step explanation:

Money earned on saturday: 9*7=63

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