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Stella [2.4K]
3 years ago
6

Find the missing side length. Show all of your work. *

Mathematics
2 answers:
ratelena [41]3 years ago
7 0
6²+8²=c²
36+64=c²
c²=100
c=10
Firlakuza [10]3 years ago
6 0
A squared plus B squared is C squared
6 squared is 36 and 8 squared is 64
36+64 is 100
Square root of 100 is 10
Side=10
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Use determinants to find out if the matrix is invertible.
wariber [46]

Answer:

The matrix is not invertible.

Step-by-step explanation:

We are given the following matrix in the question:

A =\left[\begin{array}{ccc}-5&0&1\\-1&3&2\\0&10&6\end{array}\right]

Condition for invertible matrix:

A matrix is invertible if and only if the the determinant is non-zero.

We can find the determinant of the matrix as:

|A| = -5[(3)(6)-(2)(10)]-0[(-1)(6)-(2)(0)] + 1[(-1)(10)-(3)(0)]\\|A| = -5(18-20)+(-10)\\|A| = 10-10\\|A| = 0

Since the determinant of the given matrix is zero, the given matrix is not invertible.

5 0
3 years ago
This is stupid I know lol but I'm having a hard time remembering the difference between a histogram and a bar graph. Can someone
Y_Kistochka [10]

<u>In Bar Graphs;</u>

- Bars have equal space

- One the y-axis, we have numbers & on the x-axis, we have data which can be anything.

<u> In Histograms;</u>

- Bars are fixed

- On the y-axis, we have numbers & and on the x-axis, we have data which in continuous & will always be number.

<u>An easy way you can remember the difference is looking at the spaces of the bars. </u>

<em>A bar graph has gaps</em>

<em>A histogram has no gaps.</em>

6 0
3 years ago
Help please and ill mark you brainliest :)
rodikova [14]

Answer:

n=100+0.05(460)

Step-by-step explanation:

She earns 100 dollars all the time. so its 100+ something

she also earns 5% of the tips, which in that case were 460$

you can repersent that as 0.05(460)

so: 100+0.05(460)

4 0
3 years ago
The ratio of boys to girls in home room is 2:3. If there are 8 boys how many girls are there .
Serhud [2]

Answer:

12 girls

Step-by-step explanation:

multiply 8 by 3/2 to get 12.

6 0
3 years ago
Read 2 more answers
1. to replace a variable in a mathematical expression with an actual value
UNO [17]

Answer:

1. its substitution

2.

3. order of operations

4. variable

5. equation

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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