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nika2105 [10]
3 years ago
10

What is the value of x if a rectangle has a perimeter of 50, a length of x + 5, and width of 11?

Mathematics
1 answer:
Iteru [2.4K]3 years ago
6 0

The perimeter of a polygon is the sum of the lengths of all its sides. A rectangle has 4 sides, and opposite sides are congruent, so 2 sides have length x + 5, and 2 sides have length 11. Add all the lengths and set the sum equal to 50. Then solve the equation for x.

x + 5 + x + 5 + 11 + 11 = 50

2x + 32 = 50

2x = 18

x = 9

Answer: x = 9

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What value of B will make the product equal of 17 in the following expression: 17xb/7
Katyanochek1 [597]

The value B is 7. If we apply B=7 the answer is 17 for the expression 17×\frac{b}{7}

Step-by-step explanation:

            The given expression is 17×\frac{b}{7}  

Step:1

            Form an equation from given data,

            17×\frac{b}{7}= 17..............................(1)

                                                         (∵ product equal to 17)

Step:2

            Check for alternatives by apply the value of B in eqn (1)

            Assume be value of B for check the equation

            B=1

            Equation becomes,

            17×\frac{1}{7} = 2.4286 ≠ 17

            Take, B=2,

            17×\frac{2}{7} = 4.8571 ≠ 17

            Take, B=3,

            17×\frac{3}{7} = 7.2857 ≠ 17

similarly,

            B=7,

            17×\frac{7}{7} = 17                       (∵ The product equals to 17)

Result:

         So, the answer for B is 7.

7 0
3 years ago
Read 2 more answers
Suppose Q is the midpoint of PR. Use the information to find the missing value.
murzikaleks [220]

Step-by-step explanation:

If Q is the midpoint of PR

Then PQ + QR = PR

(6x + 25) + (16 - 3x)

group the same terms and add them

(6x - 3x) + (25 + 16)

Hence PR = (3x + 41)

But to find the value of PR....If Q is the midpoint....then PQ = QR...since they are both half lengths of PR;

; 6x + 25 = 16 - 3x

; 6x + 3x = 16 - 25...;9x = -9

Hence the value of...x = -1

Then substitute the value of x into the equation of PR....3x + 41

;3(-1) + 41

;-3 + 41

Hence PR = 38

3 0
3 years ago
Read 2 more answers
Giving Brainliest for correct answer!
Ipatiy [6.2K]

Answer:

Slope = 0

Step-by-step explanation:

Equation: y = 5

Since the graph would show a horizontal line (passing through 5) the slope would be zero

5 0
2 years ago
Can someone please help me
stellarik [79]

Answer: A, D, and E

Step-by-step explanation:

Basically, you want to divide each of these answers by 5. Which ever one gives you a solid number (meaning no decimals) then that would be one option.

Hope this helps!

7 0
3 years ago
I need to know how to solve this and what is the question asking
expeople1 [14]
You can reword the equation 6x+y=9 to
Y=6x+9

Then plug-in y=6x+9 into the equation 2x+3y=-5

Plug this 2x+3(6x+9)=-5
2x+18x+27=-5
Then solve it from there
8 0
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