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dedylja [7]
3 years ago
6

PLZZZZZZZZZZ I WILL GIVE BRAINLIEST AND 15PTS!!!!!!!!!!!!!!

Mathematics
2 answers:
vazorg [7]3 years ago
7 0

Answer: ( 0, 2 )

Step-by-step explanation:

You have to put coordinates of each graph on these equations y = -x + 2 and y = (1/2)x + 2. If putting coordinates satisfies both equations, then that coordinate will be the solution.

For example, let's put (0, 2) to equations.

y = -x + 2

2 = -0 + 2

2 = 2, true

y = (1/2)x + 2

2 = (1/2) × 0 + 2

2 = 2, true

So, ( 0, 2 ) is the solution.

Alexxandr [17]3 years ago
3 0

Answer:

(0,2)

Step-by-step explanation:

take one of the equations ( i'm using y=-x+2)

so we know that y = mx + c

m is the gradient and c is the y intercept

that means that the y-intercept is 2

so just look for the graph that has a line where the y-intercept is 2 and the gradient is -1

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Brian measures his height at 160cm to the nearest 10cm.
Elan Coil [88]

Answer:

170 cm is the tallest

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2 years ago
Estimate an 18% tip for a $63.30 meal
andrey2020 [161]

Answer:

The tip is $11.39

Step-by-step explanation:

3 0
3 years ago
In triangle △ABC, ∠ABC=90°,
makvit [3.9K]
<h3>Answer: As a fraction, HC is 21/4 units long</h3><h3>In decimal form, HC is 5.25 units long.</h3>

==============================================

Work Shown:

Let x = HC and y = BH

AH = 12-x since AH = 12-HC and x = HC

---------------

See the attached drawing below. The altitude BH forms three similar triangles which makes the proportion below possible

HC/BH = BH/AH

x/y = y/(12-x) ... substitution

x(12-x) = y^2 ... cross multiply

y^2 = -x^2+12x

note how I isolated y^2 instead of y. We will use this equation later.

---------------

Focus on triangle AHB. Use the pythagorean theorem

(BH)^2 + (AH)^2 = (AB)^2

(y)^2 + (12-x)^2 = (9)^2

y^2 + 144-24x+x^2 = 81

-x^2+12x + 144-24x+x^2 = 81 ... replace y^2 with -x^2+12x

-x^2+12x + 144-24x+x^2-81 = 0

-12x + 63 = 0

-12x = -63

x = -63/(-12)

x = 5.25 <<-- answer in decimal form

x = 5 + 0.25

x = 5 + 1/4

x = 20/4 + 1/4

x = 21/4 <<-- answer as a fraction

3 0
3 years ago
What is the area of this trapezoid?
liberstina [14]

Answer:

7.5\:\text{square units}

Step-by-step explanation:

The area of a trapezoid is given by the average of the bases multiplied by the height.

What we're given:

  • Height of 3
  • Bases of 1 and 4

The average of the bases 1 and 4 is equal to \frac{4+1}{2}=\frac{5}{2}=2.5

Therefore, the area of the trapezoid is 2.5\cdot 3=\boxed{7.5\:\text{square units}}

4 0
3 years ago
Read 2 more answers
Can anyone help me solvethis problem its dealing with solving two-step equations. (If you know the answer please help me thank y
amid [387]

Answer:

Your answer will be x=11/2

Step-by-step explanation:

What you want to do first is

Subtract 1 from both sides

2x+1-1=12-1

Simplify

2x=11

Divide both sides by 2

\frac{2x}{2} =\frac{11}{2}

Simplify

x=\frac{11}{2}

7 0
3 years ago
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