3 years ago

Rewrite the following equation in slope-intercept form.

1 answer:

4 0

Hello :
an equation in slope-intercept is : y=ax+b a is a slope

<span>18x – 4y = 5 .....
4y =18x- 5
y = (18/4)x -5/4
y = (9/2)x - 5/4</span>

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Pls help i thought i understood it but it was incorrect the first time

Elina [12.6K]

<h3>Answer: Choice D</h3>

Subtraction property of equality

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

Reason:

We subtract 18 from both sides to go from 4x+18 = 78 to 4x = 60

So we use the aptly named subtraction property of equality.

In general that rule is if a = b, then a-c = b-c

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3 years ago

Which expression is equivalent to 21 × 7?

Crank

The answer would be A) because they both have the same result answer.

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3 years ago

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What is the area of the shaded sector?

gavmur [86]

The area of the shaded sector is one-fourth of the area of the whole circle so:
$area = r^2 \pi \\ area = 6^2 \pi \\ area = 36 \pi$
area of shaded region $= \frac{36 \pi }{4} \\ area = 9$
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3 years ago

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Can someone help plz

Misha Larkins [42]

Answer: 5/4x

Step-by-step explanation:

To solve this you'll need to use the slope formula which is

Y2 - Y1 over

X1 - X2

You already have two points so that's what we'll use.

(4, 7) (12, 17)

17 - 7

12 - 4 = 10/8

10/8 can be simplified further to 5/4

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3 years ago

(?,5) is on the line 4x-7y=1. Find the other half of the coordinate.

ludmilkaskok [199]

The coordinate is an ordered pair $(x,y)$ . We have a number, 5, for y, which we can substitute (plug-in) for y in the equation of the line and solve for x.

$4x-7y=1\\4x-7(5)=1\\4x=36\\x=9$

$(9,5)$

8 0

3 years ago