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Anettt [7]
3 years ago
9

Simplify this expression. 2 square root 5 (13 + square root 2)

Mathematics
1 answer:
den301095 [7]3 years ago
5 0

Answer:

i'm assuming it's 2*√5(13+√2) so 2√10+26√5

Step-by-step explanation:

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Evaluate the determinant for the following matrix [3 -5 / 1 1]
Natalka [10]

Answer:

<h2>A. -2</h2>

Step-by-step explanation:

\det\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] =ad-bc\\\\\det\left[\begin{array}{ccc}3&-5\\1&1\end{array}\right] =(3)(1)+(-5)(1)=3-5=-2

6 0
2 years ago
Find the volume of a pyramid with a square base, where the side length of the base is
MatroZZZ [7]

Answer:

1529.4 m^3

Step-by-step explanation:

We will use the formula V = 1/3*h*B for the volume of the pyramid, where V is volume, h is height, and B is are of the base.

First, since we know h and are looking for V, we need B. To find this, since it has a square base, we multiply b, the base length, by itself. 15.3m * 15.3m = 234.09m^2.

Next, we plug into the formula.

V = 1/3*19.6m*234.09m^2

And simplify:

V= 1/3 * 4,588.164m^3

V= 15.29.3879....

Last, round to the tenth

1529.4 m^3

5 0
3 years ago
Use the interactive number line to find each difference to complete the table. A 4-column table with 4 rows. Column 1 is labeled
m_a_m_a [10]

Answer:

U=1

V=-5

W=-3

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What is 25% 136 so I know
tigry1 [53]
It's 34.

You can either intuitively know 25% means one-fourth and divide 136 by 4

Or

Convert the percentage to a decimal and multiply. 136 * 0.25 = 34
8 0
2 years ago
$49 jeans are 20% off, what is the sale price
madam [21]

Answer:

$39.2

Step-by-step explanation:

The sale price will be 20% of $49 subtracted from $49

That’s

20% /100% x $49

0.2 x $49

$9.8

Sale price = $49 - $9.8

= $39.2

The sale price is $39.2

8 0
3 years ago
Read 2 more answers
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