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salantis [7]
3 years ago
13

What is the answer and how do I solve it?

Mathematics
1 answer:
vichka [17]3 years ago
4 0
The lengths of the rectangles are 7 and 12 respectively.  Form the ratio 7/12.  The widths of the rects. are x and 5 respectively.  Form the ratio x/5.  Now equate these two ratios:

7       x
--- = ---
12     5

Solve this for x.  One way to do this would be to cross-multiply, obtaining 12x = 35, and solving this result for x.  x will be a fraction.  Write the numerator and denominator in the boxes given.
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Please help me out please
natita [175]

Answer:

RC = 40

Step-by-step explanation:

Note that the circumcentre is equally distant from the triangle's 3 vertices.

That is : PC = RC = QC

Equate any pair and solve for x

Using RC = PC, then

5x - 15 = 3x + 7 ( subtract 3x from both sides )

2x - 15 = 7 ( add 15 to both sides )

2x = 22 ( divide both sides by 2 )

x = 11

Hence

RC = (5 × 11) - 15 = 55 - 15 = 40 units

5 0
3 years ago
Y=4x+7 ordered pairs
andreyandreev [35.5K]

Well here are 3

(0,7);(1,11);(2,15)

4(0) + 7 y:7

You can keep doing it choose a number for x that's and for y multiply 4 times the numer you choosed for x and add 7 to it

7 0
3 years ago
Read 2 more answers
Help pls!! I’ll give Brainlist!! For questions 1-5 determine if the quadrilaterals are parallelograms or not. Beside the picture
tia_tia [17]

Answer:

1. no

2. yes

3. yes

4. yes

5. no

Step-by-step explanation:

plz mark me as brainliest

8 0
3 years ago
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Help me what is this
AfilCa [17]

Answer:

Dog

Step-by-step explanation:

This seems to be a Chihuahua breed of a dog

7 0
3 years ago
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Simplify and find the value of the expression if x=2 and y = 13xy (4x- 5y) +3xsquare y
maria [59]

Answer:

13 + 4(2) - 5(13) + 3

<em>multiply the numbers</em>

13 + 8 - 65 + 3

<em>calculate the sum or difference </em>

= -41

Step-by-step explanation:

3 0
2 years ago
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