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Lana71 [14]
3 years ago
11

Find the smallest number by which 240 must be multiplied so that the product is a perfect square

Mathematics
1 answer:
Alina [70]3 years ago
7 0

Answer:

15

Step-by-step explanation:

First we will find the square root of 240

2 240

2 120

2 60

2 30

3 15

5 5

1

2×2×2×2×3×5

We will need 15 to make it a perfect square.

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Determine if the product CA is defined. If the product is defined, state its dimensions. Do not calculate the product.
Troyanec [42]

ANSWER

The multiplication, CA is defined, and its dimension is 3×2

EXPLANATION

Matrix A is a 2x3 matrix.

Matrix C is a 3×2 matrix.

The product of the two matrices , CA, is defined if and only if the inner product of their dimension are the same.

CA = (2 \times 3)(3 \times 2)

The inner products are the same.

Hence the matrix multiplication, CA is defined and its dimension is the outer products.

2 \times 2

8 0
3 years ago
Solve the following: 4x-1/2 = x+7
MArishka [77]

Answer:

x = 2.5

Step-by-step explanation:

4x-1/2 = x+7

  4x-x = 7+0.5

     3x = 7.5

       x = 2.5

8 0
2 years ago
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Which graph represents the function f(x) = |x + 3|?
Sophie [7]
Answer: (B)
Explanation: If you are unsure about where to start, you could always plot some numbers down until you see a general pattern.

But a more intuitive way is to determine what happens during each transformation.
A regular y = |x| will have its vertex at the origin, because nothing is changed for a y = |x| graph. We have a ray that is reflected at the origin about the y-axis.

Now, let's explore the different transformations for an absolute value graph by taking a y = |x + h| graph.
What happens to the graph?
Well, we have shifted the graph -h units, just like a normal trigonometric, linear, or even parabolic graph. That is, we have shifted the graph h units to its negative side (to the left).

What about the y = |x| + h graph?
Well, like a parabola, we shift it h units upwards, and if h is negative, we shift it h units downwards.

So, if you understand what each transformation does, then you would be able to identify the changes in the shape's location.
6 0
4 years ago
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natulia [17]
Answer:
Area is 24

Explanation: times the length by the breath (width)
7 0
3 years ago
If you where born in 1620 and died in 1730 how old where u before u died?<br><br><br> pls help ;-;
Tema [17]

To make it simple, just subtract the age that you died to the age that you were born.

1730 - 1620 = 110

Which means that you would die at the age of 110 if you were born at 1620 and died on 1730.

5 0
3 years ago
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