3 years ago

Which is expression. Is equivalent to 6-(-8)

Mathematics

2 answers:

Nikitich [7]3 years ago

7 0

Answer:

Expression: 6 + 8

Solved: 14

Katarina [22]3 years ago

6 0

Another expression is 4+10

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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

$P=2(x+y)$

$P=256\ yd$

$256=2(x+y)$ ------> 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

2 years ago

Does anyone know how to answer these two questions?

Lera25 [3.4K]

2c+5=c+8
2c-c=8-5
1c=3
c=3/1
c=3

3 0

2 years ago

Which of the following is an equation of a line perpendicular to the equation y=-2/3x-4?

STatiana [176]

Answer:

Step-by-step explanation:

4 0

2 years ago

I need help is it A b c or d

Rudiy27

I think the answer it is A

7 0

2 years ago

Expanded form for 2.918

timurjin [86]

There's an infinite number of ways to represent 2.918 in expanded form, for example:

0.02918 * 10^2
0.002918 * 10^3
0.0002918 * 10^4
0.00002918 * 10^5

etc.

8 0

3 years ago