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Leni [432]
2 years ago
11

Please help math 30 pts

Mathematics
2 answers:
scZoUnD [109]2 years ago
7 0

Answer:

The is answer is y = 2|x - 3|

Step-by-step explanation:


denis-greek [22]2 years ago
5 0

Answer is:

y = 2|x - 3|

when x = 3, y = 0 so (3,0)

when x = 2, y = 2(1) = 2 ; (2, 2)

when x = 4, y = 2(1) = 2; (4, 2)

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The length of a rectangle is 1 more yd than twice the width, and the area of the rectangle is 66 yd squared. Find the dimensions
Salsk061 [2.6K]

Width = 5.5yd  

Length = 12yd

<u>Explanation:</u>

Area of rectangle =  66yd^{2}

Let width of the rectangle = b ,  

So, length = 2b+1  

Area of rectangle = (length X width) - eqn 1

Putting the value of length and width in above equation 1,

66yd^{2} = (2b+1) X b\\66yd^{2} = 2b^{2} + b\\2b^{2} +b-66 = 0\\

On solving the equation we get,

b = 5.5yd

So, width (b) = 5.5yd

and length = 2(5.5) + 1

l = 12yd

Hence,  

Width = 5.5yd  

Length = 12yd

6 0
3 years ago
Please answer this correctly
Mrrafil [7]
Gary swam the fewest laps.
Hope this helps!
3 0
3 years ago
Read 2 more answers
3. Given the following similar triangles. Find the values of variables and label all the unknown angles
astraxan [27]

Answer:

The answer to your question is x = 6 and y = 9

Step-by-step explanation:

Data

AB = x                     DF = 18

BC = 5                     FE = 15

AC = 3                     DE = y

Process

1.- Find y

Use proportions to find it

                 DE/FE = AC/BC

Substitution

                 y/15 = 3/5

Solve for y

                  y = 15(3/5)

                  y = 45/5

                  y = 9

2.- Find x

                AB/DF = BC/FE

Substitution

                x/18 = 5/15

Solve for x

                x = 18(5/15)

                x = 90/15

                x = 6

8 0
3 years ago
Dilate the circle using center (0,0) and scale factor 2<br> Pls help
gladu [14]

Answer:

look at image

Step-by-step explanation:

you're just making the circle twice as big. so since one of the points of the circle is (0,2) it would now be, (0,4) because 2 x 0 = 0 and 2 x 2 = 4.

6 0
2 years ago
A 20 foot extension ladder is placed in a wall making an angle of elevation for 85 degrees with the ground. If a person at the t
snow_tiger [21]

Answer:

21.74 ft

Step-by-step explanation:

We use Cosine because we are dealing with the Adj and Hyp

Cos 85 = x/20

x = 20 Cos 85

x = 1.74 feet away from the base of the wall.

Since the ladder is 20 foot long, the total distance will be 1.74 + 20 = 21.74 ft

8 0
2 years ago
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