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Stells [14]
2 years ago
12

Carlos downloaded a pattern from the Internet for making a table with an

Mathematics
1 answer:
Zepler [3.9K]2 years ago
4 0

Answer: did you ever get the answer?

Step-by-step explanation:

I need it too lol

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I don’t quite understand this problem could someone help me please
ale4655 [162]

Answer:

\frac{7\sqrt{65}}{65}

Step-by-step explanation:

Cosine is the ratio of the side adjacent to the angle and the right triangle hypotenuse.

cos B = \frac{7}{\sqrt{65}} = \frac{7\sqrt{65}}{65}

3 0
2 years ago
Arrange the matrices in increasing order of their determinant values. ​
maksim [4K]

Answer:

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is the value of the digit 4 in the number 84230
Ratling [72]

The value of the digit 4 is worth 4,000 in the number 84,230.
8 0
3 years ago
Read 2 more answers
7 + 2y = 8x 3x - 2y = 0 Solve the system of equations by substitution. (70/3, 140/9) (7/5, 21/10) no solution coincident
Wittaler [7]
So we have the system of equations:
7+2y=8x equation (1)
3x-2y=0 equation (2)

To use substitution, we are going to solve for one variable in one of our equations, and then we are going to replace that value in the other equation:
Solving for x in equation (2):
3x-2y=0
3x=2y
x= \frac{2}{3}y equation (3)

Replacing equation (3) in equation (1):
7+2y=8x
7+2y=8( \frac{2}{3} y)
7+2y= \frac{16}{3} y
7= \frac{10}{3} y
y= \frac{7}{ \frac{10}{3} }
y= \frac{21}{10} equation (4)

Replacing equation (4) in equation (3):
x= \frac{2}{3}y
x=( \frac{2}{3} )( \frac{21}{10} )
x= \frac{7}{5}

We can conclude that the solution of our system of equations is <span>(7/5, 21/10)</span>
5 0
3 years ago
A student is asked to calculate the value of 752 − 702 using the identity x2 − y2 = (x − y)(x + y). The student's steps are show
Mrrafil [7]
Step 2, 5*155= 775,which means the steps after that would make the answer even more variable
7 0
3 years ago
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