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forsale [732]
3 years ago
14

Write the equation of line, in slope-intercept form, that is perpendicular to y=1/4x and passes through the point (2, -5). Your

answer must be in y = mx + b form or will be marked wrong.
Mathematics
1 answer:
irina [24]3 years ago
6 0
Y = 2x + -5 i think is right
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PLS HELP ASAP FOR BRAINLIEST
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Answer:

y=3

Step-by-step explanation:

it is because X=-2 had crossed the point y=3

hope this help you!!!! ;))))))

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3 years ago
Solve 0.9 x + 5.1 x -7= 2(2.5x-3). how many solutions dose the equation have?
Nataly [62]
The equasion has only one solution.

4 0
3 years ago
Which expression can be used to check the answer to 56 ÷ (-14) = n?
kozerog [31]
A. Multiplication is the ONLY function that reverses what division did. If you did 56/-14 = n, then n x -14 should equal 56.
6 0
2 years ago
Read 2 more answers
Brenda throws a dart at this square-shaped target:
Klio2033 [76]

Answer: See below

Step-by-step explanation:

<u>Area of the square</u>  = l*w = 11*11 = 121  

<u>Area of the circle</u>  = pi r^2 = pi*1^2 =  3.142

<u>Part A</u>

P(hitting the circle) = 3.142 / 121  =  0.026 which is closer to 0.

<u>Part B</u>

P(hitting the outside portion)  = 1 - 0.026 = 0.974 which is closer to 1.  

4 0
2 years ago
Read 2 more answers
15x-7=2+12x I need help with this
Amanda [17]

Answer:

\huge{ \boxed{ \bold{ \tt{x = 3}}}}

<h3>♁ Question : Solve for x</h3>
  • 15x - 7 = 2 + 12x

<h3>♁ Step - by - step explanation</h3>
  • \text{15x - 7 = 2 + 12x}

Move 12x to L.H.S ( Left Hand Side ) and change it's sign

➛\sf{15x - 12x - 7 = 2}

Move 7 to R.H.S ( Right Hand Side) and change it's sign

➛\sf{15x - 12x = 2 + 7}

Subtract 12x from 15x

Remember that only coefficients of like terms can be added or subtracted.

➛\sf{3x = 2 + 7}

Add the numbers : 2 and 7

➛\sf{3x = 9}

Divide both sides by 3

➛ \sf{ \frac{3x}{3}  =  \frac{9}{3}}

➛ \boxed{ \bold{ \sf{x = 3}}}

The value of x is \boxed{ \sf{3}}

✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄

☄ Now, let's check whether the value of x is 3 or not!

<h3>☥ Verification :</h3>

\sf{15x - 7 = 2 + 12x}

\dashrightarrow{ \sf{15 \times 3 - 7 = 2 + 12 \times 3}}

\dashrightarrow{ \sf{45 - 7 = 2 + 36}}

\dashrightarrow{ \sf{38 = 38}}

L.H.S = R.H.S ( Hence , the value of x is 3 ).

✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄ ✄

<h3>✒ Rules for solving an equation :</h3>
  • If an equation contains fractions ,multiply each term by the L.C.M of denominators.
  • Remove the brackets , if any.
  • Collect the terms with the variable to the left hand side and constant terms to the right hand side by changing their sign ' + ' into ' - ' and ' - ' into ' + ' .
  • Simplify and get the single term on each side.
  • Divide each side by the coefficient of variable and then get the value of variable.

Hope I helped!

Have a wonderful time ! ツ

~TheAnimeGirl

5 0
2 years ago
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