3 years ago

Which table shows the equation y=1/2x-7

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

4 0

What are the tables? In order to answer the question we need the tables

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Use the slope formula to find the slope of the line passing through the given points.

Zanzabum

-1/3. Use the formula x1-x2/y1-y2

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3 years ago

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Given that y= 12 cm and θ= 24 °, work out x rounded to 1 DP.<br><br> (not drawn to scale.)

padilas [110]

Answer:

$\huge\boxed{\sf x = 5.3}$

Step-by-step explanation:

<h3><u>Given:</u></h3>

y = 12 cm

θ = 24°

Using trigonometric ratio, tan.

$\displaystyle \boxed{tan \theta = \frac{opposite}{adjacent} }\\\\tan \ 24 = \frac{x}{12} \\\\0.445 = \frac{x}{12} \\\\Multiply \ 12 \ to \ both \ sides\\\\0.445 \times 12 = x\\\\5.3 = x\\\\x = 5.3\\\\\rule[225]{225}{2}$

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2 years ago

Someone help me with this question!

VMariaS [17]

Answer: $160^{\circ}$

Step-by-step explanation:

By the exterior angle theorem,

$4x-14+5x-182=5x-100\\\\9x-196=5x-100\\\\4x=96\\\\x=24\\\\\implies m\angle BCD=20^{\circ}\\\\\implies m\angle BCA=160^{\circ}$

6 0

1 year ago

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Write an equation that passes through a pair of points

Phoenix [80]

Answer:

C. $y = -x + 2$

Step-by-step explanation:

First, find the slope, m, of the line that passes through the two given points.

Slope = $\frac{rise}{run} = \frac{-2}{2} = -\frac{1}{1} = -1$

Next, determine the y-intercept, b.

The y-intercept is where the line intercepts the y-axis. The line intercepts the y-axis at y = 2. Therefore, b = 2.

Now, to get an equation of the line, substitute m = -1, and b = 2 in $y = mx + b$ .

✅The equation would be:

$y = -1x + 2$

$y = -x + 2$

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2 years ago

Estimate a 25% tip on a bill of $68.28 by first rounding the bill amount to the nearest ten dollars.

diamong [38]

Answer:

first round 68.28 to 70.00 then get 25% which is 17.50 so the tip would be 17 dollars

Step-by-step explanation:

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3 years ago