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svlad2 [7]
2 years ago
7

TRUE OR FALSE MATH PLZ HELP:

Mathematics
1 answer:
Sveta_85 [38]2 years ago
3 0

Answer:

question 2 is true

question 3 is false

Step-by-step explanation:

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A new neighborhood activity complex is being built in erie. The perimeter of the rectangular playing field is 256 yards. The len
maw [93]

Answer:

The length of the rectangular playing field is 84 yards and the width is 44 yards

Step-by-step explanation:

Let

x ------> the length of the rectangular playing field

y -----> the width of the rectangular playing field

we know that

The perimeter of the rectangular playing field is equal to

P=2(x+y)

P=256\ yd

so

256=2(x+y) ------> equation A

we have that

x=2y-4 -----> equation B

Solve the system by substitution

Substitute equation B in equation A and solve for y

256=2(2y-4+y)

128=3y-4

3y=128+4

3y=132

y=44

Find the value of x

x=2(44)-4=84

therefore

The length of the rectangular playing field is 84 yards and the width is 44 yards

4 0
3 years ago
Solve the inequality<br> 2(4+2х)&gt;5x+5
Gre4nikov [31]

Answer:

3>=3

Step-by-step explanation:

2(4+2x)>=5x+5

distribute the 2: 8+4x>=5x+5

8>=x+5

3>=x

8 0
3 years ago
Read 2 more answers
Please help me (30 points)
meriva

Answer:

8:2 or 2:8  I think

Step-by-step explanation:

8 0
2 years ago
An object with a motional kinetic energy of 96J. Its velocity is 4m/s. What is its mass?​
SVETLANKA909090 [29]
KE = 1/2mv^2
96 = 1/2m(16)
96 = 8m
m = 12 kg
8 0
2 years ago
Leo has 9 times as many red marbles as blue marbles.
Nina [5.8K]

Answer:20592

Step-by-step explanation:

Because you multiply 5 times 2288

4 0
3 years ago
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