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Levart [38]
3 years ago
6

Can you help me or at least guide me through writing a proof on this? I'm a bit stuck

Mathematics
1 answer:
Andrew [12]3 years ago
5 0

Answer:basically if what they want you to prove is correct say it is correct and why is it correct

Step-by-step explanation:

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Use the slope formula to find the slope of the line through the points (2,10) and (10,−8).
Salsk061 [2.6K]

The slope formula is the changes of two y-values over/to the changes of two x-values.

\large \boxed{m =  \frac{y_2 - y_1}{x_2 - x_1} }

Substitute two given points in the formula to find the slope. The m-term represents the slope from y = mx+b.

\large{m =  \frac{10 - ( - 8)}{2 - 10} } \\  \large{m =  \frac{10 + 8}{ - 8} } \\  \large{ m =  \frac{18} { - 8} \longrightarrow  \frac{9}{ - 4} } \\  \large \boxed{m =  -  \frac{9}{4} }

Answer

  • The slope is -9/4.

Hope this helps and let me know if you have any doubts!

6 0
3 years ago
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Please help quickly I don’t understand
bekas [8.4K]

Answer:

15y^5

Step-by-step explanation:

Formula for the area of a rectangle is length times width.

so in this case, it would be 15y^5!! Trust me I just did this!

5 0
2 years ago
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Natalie and John are both saving coins in jars for a rainy day. Natalie currently has 1 1/8 jars of coins, and John has 9/14 of
aivan3 [116]

Answer:

Natalie will have 1\frac{43}{56} jars of coins all together after receiving John's coins.

Step-by-step explanation:

Given that:

Coins Natalie have = 1\frac{1}{8} jars of coins

Coins John have = \frac{9}{14} jars of coins

When John will give all his coins to Natalie.

Total coins Natalie have = Her coins + John's coins

Total coins Natalie have = 1\frac{1}{8}+\frac{9}{14}

Total coins = \frac{9}{8}+\frac{9}{14}

Total coins =\frac{63+36}{56}=\frac{99}{56}

Total coins = 1\frac{43}{56}

Hence,

Natalie will have 1\frac{43}{56} jars of coins all together after receiving John's coins.

5 0
3 years ago
How do you simplify Radicals?<br>√180v^4​
julsineya [31]

Here are the steps required for Simplifying Radicals:

Step 1: Find the prime factorization of the number inside the radical. Start by dividing the number by the first prime number 2 and continue dividing by 2 until you get a decimal or remainder. Then divide by 3, 5, 7, etc. until the only numbers left are prime numbers. Also factor any variables inside the radical.

Step 2: Determine the index of the radical. The index tells you how many of a kind you need to put together to be able to move that number or variable from inside the radical to outside the radical. For example, if the index is 2 (a square root), then you need two of a kind to move from inside the radical to outside the radical. If the index is 3 (a cube root), then you need three of a kind to move from inside the radical to outside the radical.

Step 3: Move each group of numbers or variables from inside the radical to outside the radical. If there are nor enough numbers or variables to make a group of two, three, or whatever is needed, then leave those numbers or variables inside the radical. Notice that each group of numbers or variables gets written once when they move outside the radical because they are now one group.

Step 4: Simplify the expressions both inside and outside the radical by multiplying. Multiply all numbers and variables inside the radical together. Multiply all numbers and variables outside the radical together.

Shorter version:

Step 1: Find the prime factorization of the number inside the radical.  

Step 2: Determine the index of the radical. In this case, the index is two because it is a square root, which means we need two of a kind.  

Step 3: Move each group of numbers or variables from inside the radical to outside the radical. In this case, the pair of 2’s and 3’s moved outside the radical.  

Step 4: Simplify the expressions both inside and outside the radical by multiplying.

7 0
3 years ago
12a - 7 + 4a + 8<br><br> What is the answer
weeeeeb [17]
16a+1 is the answer to your question
6 0
3 years ago
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