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maks197457 [2]
3 years ago
5

Pls answer will choose brainliest

Mathematics
1 answer:
MrRissso [65]3 years ago
4 0

Hi ;-)

\text{x}=-1 \ \text{and} \ \text{y}=-4\\\\\dfrac{5x^2-y^2+3}{2x-4y}=\dfrac{5\cdot(-1)^2-(-4)^2+3}{2\cdot(-1)-4\cdot(-4)}=\dfrac{5\cdot1-16+3}{-2+16}=\boxed{-\frac{8}{14}}

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The length of a rectangle is six times its width. If the rectangle is 600 yd^2 find its perimeter
vovangra [49]

Answer:

8400 yd^2

Step-by-step explanation:

600x 6 because its six times

3600

L+L+W+W=p

8400 yd ^2

4 0
3 years ago
What is a point-slope equation of the line with slope - 10 that goes through the point (1.4) Ay- 4 = -10(x - 1) By+43-10(x+1) O
weqwewe [10]

Answer:

y-4=-10(x-1)

Step-by-step explanation:

7 0
3 years ago
HELP PLEASE !!!! SHOW WORK TO ANSWER PLEASE
likoan [24]

Answer: ~14°, ~62°

Step-by-step explanation:

See image. You should be able to easily calculate the last two angles.

5 0
3 years ago
ANSWER ASAP |What is the measure of angle x?
Marina86 [1]

Answer:

x = 83°

Step-by-step explanation:

41, 56 and the missing angle = 180° ( form a straight angle )

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8 0
4 years ago
HELP!! Which of these linear equations best describes the given model?
viktelen [127]

Option B:

The linear equation that best describes the model is y = 40x + 800.

Solution:

Take two points which exactly on the line.

Let the points are (0, 800) and (10, 1200).

x_1=0, y_1=800, x_2=10, y_2=1200

Slope of the line:

$m=\frac{y_2-y_1}{x_2-x_1}

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$m=\frac{400}{10}

m = 40

y-intercept of the line is where the line crosses at y-axis.

y-intercept (b) = 800

Equation of a line:

y = mx + b

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The linear equation that best describes the model is y = 40x + 800.

Option B is the correct answer.

4 0
3 years ago
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