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Leviafan [203]
3 years ago
12

I am a rectangle and my length is 80 square inches . My width is 2 inches shorter . Find the perimeter

Mathematics
2 answers:
CaHeK987 [17]3 years ago
7 0
Wouldn't it be 40 because 2x40=80
cupoosta [38]3 years ago
6 0
The perimeter is 36 inches 
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I need help with part a and b. sorry its kind of hard to read
Anastasy [175]

Answer:

A) 4900

B) How far above she is before she starts hiking/the distance she is from the canyon floor.

Step-by-step explanation:

Since it's linear, it will follow the formula y=mx+c.

We can sub in the values to get:

3500=m(1)+c → 3500-m=c

2100=m(2)+c → 2100 = 2m+c

Sub '3500-m' in for c:

2100=2m+3500-m

m= -1400

c=3500-m=3500-(-1400)=3500+1400=4900

∴equation is: y= -1400x+4900

To find the initial value, ie when the number of hours = 0, we sub in zero for x:

y = -1400(0) + 4900

PART A ANS: 4900

PART B ANS: Since the number of hours passed is zero, the value represents how far above she is before she starts hiking/the distance she is from the canyon floor.

5 0
3 years ago
What’s the original volume
anzhelika [568]

Answer:

V = 1959.75ft²

Step-by-step explanation:

The volume is equal to the height of the barrel times (π × r²)

V = h(πr²)

V = 10.8(π × 7.6²)

= 10.8(π × 57.76)

= 10.8(181.46)

V = 1959.75ft²

7 0
4 years ago
there are 7 boys and girls in a club. How many different ways to form a queue starting with a girl after each girl?
Soloha48 [4]

Answer:

7 girls can go in the first place, 6 in the second, etc.

7! ways is the number of ways to arrange the girls.

likewise the boys can be arranged in 7! ways

The total number of ways becomes 7! * 7!

7! * 7! = 25,401 600 ways

8 0
3 years ago
Jasmine correctly determined the area of this parallelogram by adding the areas of the triangles and rectangle.
alexgriva [62]

We see that each triangle takes up precisely one half of the parallelogram. From this, we see that the area of a triangle is one half the area of a parallelogram, or the area of a parallelogram is two times the area of a triangle

5 0
3 years ago
The cube of twice a number.
notsponge [240]

Answer

?

Step-by-step explanation:

Wheres The Question

7 0
3 years ago
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