Another lines and intercepts question PLEASE HELP ME! :(

Answers

Answer 1

Answer: multiply both sides by 2 so u get:
-4x+y=36
y=36+4x
y=0
0=36+4x
-9=x
-9 is your x-intercept

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jackson ordered 3 miles of fencing to make a pasture for his goats.What are two other equivalent measures you can use to describe the same length of fencing he ordered.

Answers

Hey, Can u tell me whats its suppose to mean??

the lenght of a rectangle is 2 cm less than 7 times the width. the perimeter is 60 cm . find the width and lenght

Answers

First, you want to establish your equations.

L=7W-2
P=60

This is what we already know. To find the width, we have to plug in what we know into P=2(L+W), our equation to find perimeter.

60=2(7W-2+W)

Now that we only have 1 variable, we can solve.

First, distribute the 2.
60=14W-4+2W

Next, combine like terms.

60=16W-4

Then, add four to both sides.

64=16W

Lastly, divide both sides by 16

W=4

To find the length, we plug in our width.

7W-2

7(4)-2

28-2

L=26

Multiply.
(v+8)(v-8)
simplify

Answers

v * v = v^2
v * -8 = -8v
8 * v = 8v
8 * -8 = -64

v^2 - 8v + 8v - 64
v^2 - 64

This was using the distributive property or using the FOIL method

A hotel has 56 guests. 35 of the guests are male. Work out 35 out of 56 as a percentage.

Answers

35 out of 56 looks like a fraction and fractions are division so you divide 56 by 35 to get a decimal.

$(35)/(56) =0.625$

Now, to turn the decimal into a percentage, multiply by 100.

$0.625(100)=62.5$

62.5% of the guests are male.

To solve this, you want to make a proportion: 35/56 x x/100.
1.) First you multiply 35 and 100= 3500
2.) Second divide 3500 by 56= 62.5
3.) Third, add the percent sign making the final answer 62.5%

What is pi in math....

Answers

You can use pi in lots of things! Area, Circumference, etc. It is a number that's digit is infinitive(it never ends.)

3.14159265358979323846264338327950288419716939937510
58209749445923078164062862089986280348253421170679
82148086513282306647093844609550582231725359408128
48111745028410270193852110555964462294895493038196
44288109756659334461284756482337867831652712019091
45648566923460348610454326648213393607260249141273
72458700660631558817488152092096282925409171536436
78925903600113305305488204665213841469519415116094
33057270365759591953092186117381932611793105118548
07446237996274956735188575272489122793818301194912
98336733624406566430860213949463952247371907021798
60943702770539217176293176752384674818467669405132
00056812714526356082778577134275778960917363717872
14684409012249534301465495853710507922796892589235
42019956112129021960864034418159813629774771309960
51870721134999999837297804995105973173281609631859
50244594553469083026425223082533446850352619311881
71010003137838752886587533208381420617177669147303
59825349042875546873115956286388235378759375195778
18577805321712268066130019278766111959092164201989 is the first 1000 digits of pi.

First thing you should know is that Pi never ends. However, 3.14 is the first starting numbers. In math this is used to find areas of objects and such. I hope this helped!

Given ~ and AB = 20, CA = 8, and US = 9, what is ST?
Does anyone know?

Answers

ST would be 22.5.
Assuming ΔABC and ΔSTU are similar, they have to be proportional, so you could create a proportion to figure it out: 8/20=9/? (if you need to know how I got that, message me). Then you could cross multiply. 9x20 is 45, so that means that the measure of ST times 8 has to equal 45. If you divide 45 by 8, you get 22.5, so that makes the measure of ST 22.5.
(Sorry if that was confusing, I can always take a picture of my work if you need further explanation)

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