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Anestetic [448]
3 years ago
15

I need some help thanks! -

Mathematics
2 answers:
ZanzabumX [31]3 years ago
5 0

Answer:

9 inches

Step-by-step explanation:

Let's call the width x and length 2x

The perimeter is calculated by adding all side lengths

so x + 2x + x + 2x = 54 inches add like terms

6x = 54 divide both sides by 6

x = 9 inches that's the answer.

Zarrin [17]3 years ago
4 0
L = 2w
perimeter = 2l + 2w = 6w
6w = 54
w = 9
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Solve the inequality algebraically. Write the solution in interval notation.
Dima020 [189]

The given inequality is

| 7x-1| \geq 4

First we need to remove the inequality, and on doing so we will get two inequalities, which are

7x-1 \geq 4  \ or \ 7x-1 \leq -4

Adding 1 to both equations

7x \geq  5 \ or \ 7x \leq -3

Dividing both sides by 7

x \geq 5/7  \ or \  x \leq -3/7

So the required solution is

(- \infty ,-3/7] U ( 5/7, \infty)

7 0
3 years ago
To say healthy Emily decided to walk for four fifths mike every day she walked two fifths of a mile to work and walked one fourt
Arada [10]

Answer:

18/20

Simpified Answer: 9/10

8 0
4 years ago
Is (2,5) on the line y = -3x +11? How do you know?<br> O A solution<br> O Not a solution
Elenna [48]

Answer:

A solution

Step-by-step explanation:

Just plug in you point

5 = -3(2) + 11

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5 = 5

A solution

Hope this helps ya! Keep smiling!

7 0
3 years ago
Read 2 more answers
Given that the diameter of Circle A is 7 cm, and the radius of Circle B is 21 cm, what can be concluded about the two circles?
Finger [1]
<h3>Answer:</h3>

C. the circles are similar

<h3>Given radius:</h3>

Circle A = 7 cm

Circle B = 21 cm

<h3 />

1) Similar Shape : they can be enlarged and diminished where size varies.

2) Congruent Shape : they must have similar size and lengths.

<h3 />

Hence, here the circles are similar with different lengths.

3 0
2 years ago
Joan Likes to watch the birds in her yard. one morning she notices that there are twice as many Robins as bluejays. If she count
geniusboy [140]
<span>Find the number of bluejays bird and robins birds as joan counted it
=> the number of Robins is twice as bluejay
=> Robins = 2X
=> The number of bluejay is about to know:
=> Bluejay = X
The total number of birds is 21.
=> 2X + X = 21
=>  3x = 21
=> 3x / 3 = 21 / 3
=> x = 7
Thus the number of bluejay is 7
=> Robin = 2(7)
=> Robin = 14
Thus the number of Robin is 14</span>



7 0
3 years ago
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