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notsponge [240]
3 years ago
15

How do I write this expression in fewer terms? 9m + k - (3m-2k)

Mathematics
2 answers:
qaws [65]3 years ago
6 0
The answer to this question is 3(2m+k) because this has been simplified. You just need to collect terms together! 3(2m+k)
ahrayia [7]3 years ago
5 0
Let's start by applying the negative to (3m-2k)

since a negative x positive is a negative, and a negative x negative is a positive, we get

9m + k - 3m + 2k

let's simplify

9m - 3m + 2k + k

ANSWER
6m + 3k
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Write the equation of the line passing through the point (a, b) and having a slope m.​
allochka39001 [22]

The equation of the line is b = am + c

<h3>What are linear equations?</h3>

Linear equations are equations that have a constant slope, average rate of change or gradients

<h3>How to determine the line equation?</h3>

The point is given as

(x, y) = (a, b)

The slope is given as

Slope = m

A linear equation is represented as

y = mx + c

Where me represents the slope

Substitute (x, y) = (a, b)

b = am + c

Hence, the equation of the line is b = am + c

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3 0
2 years ago
What is $0.1369 rounded to the nearest cent
makvit [3.9K]
Ok, what is $0.1369 rounded to the nearest cent? 

100 cents make a dollar which means the most possible cents not making a dollar is 99 cents

So that means you leave the first two decimals alone and focus on the last two.

What is 69 closer to? 70 or 60? Well, its larger than 65 which is the halfway point so its closer to 70

Is 70 closer to 0 or 100? Well, since 70 is past the halfway point which is 50, its closer to 100.

Think of 3 as 0 and the next number up which is 4 as 100, well, since 70 is closer to 100 than 0, its closer to 4.

So That means that 0.1369 rounded to the nearest cent is $0.14

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4 0
3 years ago
Heather left the hospital and drove toward the desert at an average speed of 35 km/h. Danielle left sometime later driving in th
elena55 [62]

Answer:

Danielle drove 3 hours

Step-by-step explanation:

Suppose Heather moved in the x direction.

Then Danielle moved in the opposite direction, that is, she moved in the -x direction.

Let's call V_1, x_1, t_1 at the speed, distance and time that I code Heather

Let's call V_2, x_2, t_2 at the speed, distance and time Danielle codes.

Observe the following diagram:

(x) Heather <------ x_1 --------- hospital ---------- x_2 -----------> Danielle (-x)

So:

V_1 = 35\ km/h

t_1 = 4\ h

V_2 = 50\ km/h

We know that after 4 hours the distance between Heather and Danielle was 290 km.

That is to say:

x_2 + x_1 = 290\ km/h

We know that x_1= v_1t_1

x_1 = 35(4)

x_1 = 140\ km

We already know x_1, the distance from the hospital to Heather, so we can find x_2 and thus know t_2

So:

x_2 = 290 - 140\\\\x_2 = 150\ km

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7 0
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ki77a [65]
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Question is on the screenshot
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