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zhannawk [14.2K]
4 years ago
13

Pls help me math work

Mathematics
1 answer:
juin [17]4 years ago
3 0

Answer:

13

Step-by-step explanation:

3+10+3=13

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yarga [219]
1. addition
2. subtraction
3. division
6 0
3 years ago
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I don't understand how the highest common factor of two negative numbers is negative. How is it not positive? Can someone please
marishachu [46]
Common means similar/alike in this case. to have the highest common factor, you need it to be common with the two numbers. both numbers are negative, so the highest common factor is also negative.

remember, you aren't multiplying/dividing to get a product or quotient; you'r simply looking for a number.

i hope my explanation helped! x
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3 years ago
Mr Jones has 20,000 to invest. He invests part at 6% and part at 7%, if hr earns 1,280 in interest after 1 year, how much did he
MariettaO [177]


Let x be the amount he invests at 6%

1280 = 0.06x + 0.07(20000 - x)
1280 = 0.06x + 1400 - 0.07x
1280 - 1400 = -0.01x
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x = 12000

Therefore, he invests $12,000 at 6% and $8,000 at 7%

6 0
3 years ago
(TIME SENSITIVE PLEASE HELP) Use matrices to determine the coordinates of the vertices of the reflected figure. Then graph the p
Len [333]

The matrix R represents the reflection matrix for the provided vertices, and graph A represents the pre-image and the image on the same coordinate grid.

<h3>What is the matrix?</h3>

It is defined as the group of numerical data, functions, and complex numbers in a specific way such that the representation array looks like a square, rectangle shape.

We have vertices shown in the picture.

Form a matrix using the vertices:

= \left[\begin{array}{ccc}-3&5&6\\7&3&-5\\\end{array}\right]

To reflect over the x-axis, multiply by the reflection matrix:

= \left[\begin{array}{ccc}1&0\\0&-1\\\end{array}\right]\left[\begin{array}{ccc}-3&5&6\\7&3&-5\\\end{array}\right]

\rm R=  \left[\begin{array}{ccc}-3&5&6\\-7&-3&5\\\end{array}\right]

The above matrix represent the reflection matrix.

Thus, the matrices R represents the reflection matrix for the provided vertices, and graph A represents the pre-image and the image on the same coordinate grid.

Learn more about the matrix here:

brainly.com/question/9967572

#SPJ1

4 0
2 years ago
Uh i need help asap lol..
ahrayia [7]
54 degrees because the angles are equal
5 0
3 years ago
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