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stealth61 [152]
4 years ago
12

What is 5✓28 +✓63 In simplest radical formI need it asap.

Mathematics
1 answer:
Ksenya-84 [330]4 years ago
5 0

Answer:

13✓7

Step-by-step explanation:

5✓28 + ✓63

Break the radical into perfect squares.


5 times ✓4 times ✓7  +  ✓9 times ✓7

5 times 2 times ✓7  +  3 ✓7


10✓7 + 3✓7


13✓7

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Step-by-step explanation:

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M is the Midpoint of segment PQ. If PQ = 30 and PM = 3x, find the VALUE OF X<br>​
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7 0
3 years ago
5. Find the area of the larger pentagon if the scale factor is 1.5.
My name is Ann [436]

Answer: 48 sq. cm

Step-by-step explanation:

The area of the similar shapes is similar.

We use scalar factor to get the area of the bigger or the smaller figure by using the area of the given figure.

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Scale factor for the bigger pentagon = 1.5

Then , the area of the bigger pentagon would be = (Scale factor) x (Area of the small pentagon)

= 1.5 x (32 sq. cm)

= 48 sq. cm

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4 0
3 years ago
-4x + 7x + 4 - y - x - 8 +4y
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5 0
3 years ago
One side of a rectangle is three times as long as another. If its area is 363 square centimeters, find its dimensions.
Yakvenalex [24]

9514 1404 393

Answer:

  11 cm by 33 cm

Step-by-step explanation:

You can solve this problem mentally as follows.

Consider the rectangle as 3 squares, side-by-side. Then the area of each of those squares is 363/3 = 121 cm^2. From your knowledge of the squares of numbers, you know that 121 = 11^2. So, the width of the rectangle is 11 cm, and the length is 3 times that, or 33 cm.

_____

Using variables, we can let w represent the width. Then 3w can represent the length, and the area is ...

  A = LW

  A = (3w)(w) = 3x^2 = 363

  w^2 = 363/3 = 121

  w = √121 = 11

  3w = 3·11 = 33

The width is 11 cm; the length is 33 cm.

7 0
3 years ago
Read 2 more answers
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