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timofeeve [1]
3 years ago
13

For each diagram, decide if y is an increase or a decrease of x. Then determine the percentage.

Mathematics
1 answer:
eimsori [14]3 years ago
6 0
Answer:
In A: y is a 25% decrease of x
In B: y is a 25% increase of x
Step-by-sep explanation:
For A:
The diagram in A shows that x = 4, while y = 3.
Thus, this means that y decreased by 1, relative to x.
The percentage decease would be:


Therefore, y is a 25% decrease of x.
For B:
The diagram for B shows that x = 4, while y = 5.
Thus, this means that y increased by 1, relative to x.
The percentage increase would be:


Therefore, y is a 25% increase of x.







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Someone help me with #19 pleasee!!
Whitepunk [10]

For problems like these, it's very helpful for looking at key words. 'How many more' suggests that one value is greater than the other by a certain amount, which means subtraction. Let's do the same for this equation.

If 165 is m greater than 130, then this means 130 + m = 165.

This will also mean that m is 130 less than 165. To solve this, isolate the variable and subtract 130 from both sides:

130 - 130 + m = 165 - 130

We will end up with m = $35. To prove this, plug 35 into the m value as shown below:

130 + (35) = 165, so the answer is $35 more is needed.


5 0
3 years ago
Please help me thanks please
MatroZZZ [7]

Answer:

Missing side is 15 in

area 150 in^2

Step-by-step explanation:

x = √ (25^2 - 20^2)

x = √ 625 - 400

x = √ 225

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area = (20 * 15) /2

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area = 150

7 0
3 years ago
Read 2 more answers
Which number completes the Pythagorean Triple of 14, 48, x?
kykrilka [37]
<h3>Answer:</h3>

50

<h3>Step-by-step explanation:</h3>

These numbers are double those of the (7, 24, 25) triple. 2×25 = 50.

You can also figure it out from ...

... x = √(14² +48²) = √(196 +2304) = √2500 = 50

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3 years ago
Using f(x)=7x+35 what is the x-intercept
Gelneren [198K]

Answer:

(-5,0)

Step-by-step explanation:

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