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Yuri [45]
2 years ago
13

Help me pls i dont understand this

Mathematics
1 answer:
vazorg [7]2 years ago
6 0

Step-by-step explanation:

Notice that:

15x = 5 * 3x and 10y = 5 * 2y.

Since there is a common factor of 5,

we can take out the factor.

=> 15x + 10y = (5)(3x) + (5)(2y) = 5(3x + 2y).

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Express 90 as the product of its prime factors,<br><br> Write the prime factors in ascending order
AysviL [449]
90 = 2 * 3 * 3 * 5 just that
3 0
3 years ago
What is the area of the 50ft by 100ft yard?
mario62 [17]

Answer: 4410 ft^2

Step-by-step explanation:

To find the area of a square or rectangle, all you need to do is multiply the length times the width:

L × W = A

The lengh is 100, and the width is 50

100 × 50 = 5000

However, in this problem, we also have other shapes in the rectangle. To find the area of JUST the green, we need to subtract the areas of the two circles and small blue rectangle.

First, let's get the two circles over with. To find the area of a circle, use this formula:

A = πr^2      r is the radius, which in this case, is 6

A = π6^2

A = 113       This isn't the exact answer, the exact answer would be 113.0973...

Now let's multiply the area of one of those circles by 2, since we have 2 circles:

113 × 2 = 226

Finally, we have to find the area of the blue rectangle. This is simple, just use the formula from the very beginning:

26 × 14 = 364

The last thing to do is to subtract the areas of the two circles and blue rectangle from the area of the entire thing:

5000 - (226 + 364) = 4410 ft^2

4 0
3 years ago
Read 2 more answers
The perimeter of a rectangular painting is 324 centimeters. if the width of the painting is 67 centimeters, what is its length?
Nina [5.8K]
I hope this helps you



Perimeter =2 (width +length )


324=2 (67+length )


162-67=length


length =95
6 0
3 years ago
Round your answer to the nearest tenth.
Kruka [31]

Answer:

The value of MB = 8.4

Step-by-step explanation:

We know that the point of intersection of the Medians of a triangle is called the centroid of a triangle.

Thus,

For the given triangle ΔJKL,

  • The point M is the centroid of the triangle.

We also know that the centroid is 2/3 of the distance from each vertex to the midpoint of the opposite side.

Also, each Median is split into two parts such that the longer part is 2 times the length of the smaller part.

In our case,

The median KB is split into two parts such that the longer part KM is 2 times the length of the smaller part MB.

i.e.

KM = 2 MB

Given KM = 16.8

so substitute KM = 16.8 in the equation KM = 2 MB

16.8 = 2 MB

MB = 16.8/2

MB = 8.4

Therefore, the value of MB = 8.4

7 0
3 years ago
Read 2 more answers
What is the solution to this equation?
Morgarella [4.7K]

Answer:

6(x - 3) = 3x  + 9 \\  \\ 6x - 18 = 3x + 9 \\  \\ 6x - 3x = 18 + 9 \\  \\ 3x = 27 \\  \\ x  = \frac{27}{3}  \\  \\ x = 9

<h3>Option A</h3>
7 0
3 years ago
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