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2 years ago

5

You have a function that takes in an X value and produces a Y value. The x value equals 7 times the y value, plus 18 more. What'

s the x value when the y value equals 6?

1 answer:

Ulleksa [173]2 years ago

3 0

X=33 is the answer to this question!!!

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I dont get this can someone please help me.

lora16 [44]

$5+\dfrac x 2 \geq 10\\\\\implies \dfrac x2 \geq 10-5\\\\\implies \dfrac x2 \geq 5\\\\\implies x \geq 5 \times 2\\\\\implies x \geq 10$

6 0

2 years ago

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a surveyor measures the distance to the two landmarks as shown in the diagram what is the distance d. between the landmarks

Inessa [10]

<h3>The distance between two landmarks is 123 meters</h3>

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

We have to find the distance between two landmarks

<em><u>Use the law of cosines</u></em>

The third side of a triangle can be found when we know two sides and the angle between them

$c^2 = a^2 + b^2 - 2ab\ cos c$

Here, angle between 90 meters and 130 meters is 65 degrees

From figure,

a = 90

b = 130

c = d

Therefore,

$d^2 = 90^2 + 130^2 - 2(90)(130)\ cos 65\\\\d^2 = 8100 + 16900 - 23400\ cos\ 65\\\\d^2 = 25000 - 23400 \times 0.4226\\\\d^2 = 25000 - 9889.267\\\\d^2 = 15110.73\\\\d = 122.92\\\\d \approx 123$

Thus, the distance between two landmarks is 123 meters

8 0

3 years ago

Find the ratio of shaded portions to unshaded portions in fig 8.1

masha68 [24]

15:33

(Mark me the brainliest)

4 0

2 years ago

HELP... which equation is graphed here?

Studentka2010 [4]

i believe the answer would be A.

in slope-intercept form, it's y = -3/2x - 1

3 0

3 years ago

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What is the reciprocal of 2 3/8

Maksim231197 [3]

Basically 0.42105263157

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3 years ago

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