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iren [92.7K]
3 years ago
8

A field is a rectangle with a perimeter of 1300 feet. The length is 400 feet more than the width. Find the width and length of t

he rectangular field.
Mathematics
1 answer:
bixtya [17]3 years ago
6 0
The perimeter of a rectangle is the sum of all the sides. So
1300 = (2 x 400) + (2 x width)
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Keith exercises x hours a week. Troy exercises three hours less than Keith and Joe exercises two times more than Troy. Which exp
umka21 [38]
If Keith is represented by x, and Joe is three less than Keith, Troy is represented by x-3. 
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Keith = x
Troy = x-3
Joe = 2(x-3)
4 0
3 years ago
A class of 40 students elected a class president. There were 12 votes for Candidate A, and 18 votes for Candidate B.
Helen [10]
Hey there, Bulgogi!

The correct answer will be the first one since [I'm assuming] you know that to calculate the percentage of something, it's the amount of that something divided by the total amount but since only 30 students voted [12+18] multiplied by 100.

So, we are calculating the percentage on votes and 12 students voted for Candidate A so our Numerator will be 12 and our Denominator will be the total amount of student who voted, so 30 [or 12+18]

Once put into a fraction, we will get \frac{12}{12+18} which would be equals to 2/5 or 0.4. Now we multiply by 100 and we get a total of 40% for Candidate A.

Thank you for using Brainly.
See you soon!
4 0
3 years ago
Find the value of x in each of the given figures.
Kaylis [27]

Answer:

Step-by-step explanation:

1) Given figure is a parallelogram

Area = 144 cm²

base  * altitude = 144

16 * x = 144

x =144/16

x = 9 cm

2)2) Trapezium

Area = \frac{a+b}{2}*h      ; {a and b are parallel sides of trapezium}

( 37 +27 /2) * x  = 480 cm²

64/2 * h = 480

32 *  h = 480

h = 480/32

h = 15 cm

8 0
3 years ago
1. Write a rule for the transformation performed if Q(3 , 5) translates to Q’( 3, 18).
Sever21 [200]

Answer:

1. vertical translation (the point goes straight up)

2. P'(0,7) (the translation was up five units and over 1 unit)

3. f(-2)=2(-2)^2-4= (all y values are 4) (0,4)

f(0)=2(0)^2-4= (all y values are -4) (0,-4)

f(1)=2(1)^2-4= (all y values are -2) (0,-2)

5 0
2 years ago
Simplify the following expression. 4(20+12) divided by (4-3)
lara31 [8.8K]
4(20+12)/(4-3) = 4(32)/1 = 128 
Use order of operations (PEMDAS) Please Excuse My Dear Aunt Sally, and solve for parantheses, then multiply parentheses and then divide by 1. 
7 0
3 years ago
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