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erik [133]
1 year ago
11

Ryan has a rope that is 3 yards long. Her brother gave her another rope that is 4 yards long. She needs 20 feet of rope to play

double dutch does she have enough to play? Why or why not?​
Mathematics
1 answer:
mr Goodwill [35]1 year ago
6 0

Answer:

Yes

Step-by-step explanation:

7 yards of rope is the same as 21 feet of rope. The required amount of rope is 20, meaning that it is possible to play double dutch.

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Express as a trinomial.<br> (3x + 7)(3x + 4)
timama [110]

Answer:

9x² + 33x + 28

Step-by-step explanation:

(3x + 7)(3x + 4)\\= 3x(3x + 4) + 7(3x + 4)\\= 9x^2 + 12x + 21x + 28\\= 9x^2 + 33x + 28

5 0
3 years ago
a flag pole that is 8 feet tall casts a shadow that is 6 ft long a nearby tree casts a shadow that is 21 ft long. How tall is th
Andru [333]

Answer:

The tree is 28 feet tall.

Step-by-step explanation:

It is given that:

Height of flag pole = 8 feet

Shadow of flag pole = 6 feet

Ratio of height to shadow = 8 : 6

Shadow of nearby tree = 21 feet

Height of nearby tree = x

Ratio of height to shadow = x : 21

8 : 6 :: x : 21

Product of means = Product of extremes

6x = 8*21

6x = 168

Dividing both sides by 6

\frac{6x}{6}=\frac{168}{6}\\x=28

Therefore,

The tree is 28 feet tall.

7 0
3 years ago
Simply sin^2x + sin^2x tan^2x
wel
What does that mean? What is the question?
7 0
2 years ago
How would I graph the equation<br>-6x +2y = -8?
ki77a [65]

Answer:

Scroll down to see the graph using the link

Step-by-step explanation:

https://www.symbolab.com/solver/step-by-step/-6x%2B2y%3D-8

3 0
2 years ago
Bills new porch is rectangular with an area of 50 square feet if the length is two times the width what is two times the width,
svlad2 [7]

Answer:

Step-by-step explanation:

Let L represent the length of the rectangular porch.

Let W represent the width of the rectangular porch.

The area of the rectangular porch is expressed as LW.

Bills new porch is rectangular with an area of 50 square feet. Therefore,

LW = 50 - - - - - - - - 1

if the length is two times the width, it means that

L = 2W

Substituting L = 2W into equation 1, it becomes

2W × W = 50

2W^2 = 50

W^2 = 50/2 = 25

W = √25 = 5

LW = 50

5L = 50

L = 50/5 = 10

The perimeter of he rectangle is

Perimeter = 2(L + W)

Perimeter = 2(10 + 5) = 2 × 15

Perimeter = 30 feet

8 0
3 years ago
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