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Ghella [55]
3 years ago
7

-7=2+ w Help please

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0

Answer:

w= -9 :)

Step-by-step explanation:

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Please explain your answer. Thank you!
Liula [17]

Answer:

C

Step-by-step explanation:

Let length of rectangle be "l"

Let width of rectangle be "w"

We know,

LENGTH is 2 MORE THAN WIDTH, we can write:

l = w + 2

Also, note the perimeter is the sum of all 4 sides of a rectangle, thus:

length + width + length + width

Now,

The perimeter is given as 72, so we can write:

l + l + w + w = 72

2l + 2w = 72

We have 2 equations that we need to solve and find the length (l).

The first equation is:

l = w + 2

Rearranging, we have:

w = l - 2

We put this into 2nd equation and find the value of l:

2l + 2w = 72\\2l + 2(l-2) = 72\\2l+2l-4=72\\4l-4=72\\4l=76\\l=\frac{76}{4}\\l=19

The length is 19 meters, the correct answer is C

3 0
3 years ago
It is known that:the pair of variables x=5, y=7 is the solution to the equation ax–2y=1. Find the coefficient a.
kicyunya [14]

Answer:

a = 3

Step-by-step explanation:

Fill in the given values:

a*5-2*7 = 1 =>

5a = 1 + 14

a = 15/5 = 3

8 0
3 years ago
Read 2 more answers
What 1/3 divided by 3/4
sdas [7]
1/3 divided by 3/4 would be 4/9.
6 0
3 years ago
Read 2 more answers
Do all 4 pls hahahahahhahahahahaha
riadik2000 [5.3K]
1.-4
2.-6
3.2
4.-2
here you go.
5 0
2 years ago
In ATUV, the measure of V=90°, TU = 5.4 feet, and VT = 1.6 feet. Find the measure
luda_lava [24]

Answer:73

Step-by-step explanation:

7 0
3 years ago
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