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lord [1]
3 years ago
6

Someone help me with this algebra question please 100% correct only

Mathematics
1 answer:
STALIN [3.7K]3 years ago
7 0
Let x represent the width. Since the length is 3 more than 4 times the width, that would be equal to 3+4x. The perimeter is the sum of all sides, so that would be x+x+3+4x+3+4=86. Combine like terms, which would result in 10x+6=86. Subtract 6 from both sides giving you 10x=80. Divide by 10 giving you x=8. That means that the width is 8. The length is 3+4x. Substitute 8 for x giving you 3+4(8). Multiply, giving you 3+32, then add, which would give you 35.  35 is the length. 
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Why you find 39 when you estimate difference 206and 167<br> Thinks
Mama L [17]

You get 39 as an answer because you're taking 209 minus 167 and 39 is the answer that you get.

7 0
2 years ago
Josh has 22 1/2 acres of land he is selling 1/4 acre lots how many lots does Josh have to sell (show your work)
vampirchik [111]
22.5/0.40 = 5.625 Divide the acres by 1/4 and you have your answer
3 0
3 years ago
Is the relationship between the values in the table a direct variation, an inverse variation, or neither
Svetach [21]
There is neither a direct variation nor inverse variation between the values in the table. There is actually no relationship between the x and y values.
4 0
3 years ago
Which of the following represents the graph of the equation y = 1/2x?
Natasha_Volkova [10]

Answer:

(B)

Step-by-step explanation:

Here's what we know about the equation:

- it's a positive equation

- the y-intercept is (0,0)

- the slope is 1/2

Because the equation is positive, this means the graph will increase up from left to right, so you can cross out answer choice A & D.

To find out if B or C has the right slope, you can either plug in points or use the rise/run method.

I'm going to use both methods to figure out which answer choice is correct:

<u>Plug in points method:</u>

Let's plug in the value 2 in to the equation y = 1/2x.

1/2 * 2 = 1

So at (1,2) the function should include that point.

Only B has (1,2), so that's your answer.

<u>Rise/run method:</u>

Rise/run is a method used to figure out the slope of a function or draw a function on a graph.

Rise corresponds to the numerator. In this case, 1.

Run corresponds to the denominator. In this case, 2.

We are going to start at (0,0) and go up 1 (rising 1 unit) and go 2 to the right (running 2 units). After this, we should arrive at a point on the graph.

Only answer choice B does this.

**Reminder: be careful, the each blue line on the graph ISN'T a whole number interval; it uses 1/2 intervals.

Hope that helps (●'◡'●)

8 0
2 years ago
Find the distance between the points (2,8) and (-1,9)
Sphinxa [80]

Use the distance formula: D=sqrt((x2-x1)^2+(y2-y1)^2)

Plug in:

D=sqrt((9-8)^2+(-1-2)^2)

D=sqrt(1^2+(-3)^2)

D=sqrt(1+9)

D=sqrt(10)

So the distance is about 3.16 units

Hope this helped!

7 0
3 years ago
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