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Lisa [10]
2 years ago
13

A rectangular picture frame has a length that is 6 cm greater than the width. The total perimeter is 36

Mathematics
1 answer:
Elan Coil [88]2 years ago
3 0

Answer:

Step-by-step explanation:

width= x

length= x+6

perimter  = 2x+ 2(x+6)

36= 2x+ 2x+ 12

36= 4x + 12

36-12= 4x

4x= 24

x= 6

therefore width= 6cm

length= 6+6 = 12

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Pavel [41]

Answer:

<h3>x = -3 , x = 3</h3>

Step-by-step explanation:

7x² - 3 = 60

7x² - 3 - 60 = 0

7x² - 63 = 0

Simplify the terms

Divide both terms by 7

That's

x² - 9 = 0

Solve the quadratic equation

Use difference of two squares

That's

a² - b² = ( a + b)(a - b)

x² - 9 = 0

(x + 3)(x - 3) = 0

x + 3 = 0 x - 3 = 0

x = - 3 x = 3

Hope this helps you

7 0
3 years ago
Answer please...................
Debora [2.8K]
It means that all values of x would make it true. Also take a look at the equation when we simplify:

4x + 7 = 1 + 4x + 6
Which simplified turns into
4x + 7 = 4x + 7

So no matter what value you put for x, it will be the same on both sides, making all values true for x.
5 0
3 years ago
Shawna reduced the size of a rectangle to a height of 2 inches. What is the new width if it was originally 24 inches wide and 12
AfilCa [17]

Answer:

Step-by-step explanation:

Original Ratio              =                  New Ratio        All these problems are done the same way. Try to conquer the language.

The original ratio = 24 inches wide / 12 inches tall

Shawna's new ratio = you don't know / 2 inches in height (or tall)

Call what you don't know = x

24/12 = x / 2                        Cross multiply

12 * x = 24 * 2                     Combine the right

12 * x = 48                           Divide by 12

12x/12 = 48/12

x = 4

So the new height is 4 inches.  

5 0
3 years ago
The volume of a sphere is 5,000 pie m^3. What is the surface area of the sphere to the nearest square meter?
ExtremeBDS [4]
The correct answer is A
5 0
3 years ago
8. What is the measure of ZACB ?<br><br> 50 points^^
miss Akunina [59]

Question

What is the measure of ZACB ?

Answer:

Your Answer Would be 90° Or 180° My friend!

A triangle's angles add up to 180 degrees because one exterior angle is equal to the sum of the other two angles in the triangle.

Hope this Helps!!!

xXxAnimexXx

7 0
2 years ago
Read 2 more answers
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