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3 years ago

Select the correct locations on the graph select the lines that represent functions

Mathematics

2 answers:

Ber [7]3 years ago

8 0

Answer:the other person is right

Step-by-step explanation:

SpyIntel [72]3 years ago

4 0

Step-by-step explanation:

Using the vertical line test, we can see which lines are functions, and which are not. If a vertical line were to hypothetically appear, would it touch more than one part of the line? If so, it is not a function.

The lines outlined in a black box are the correct answers.

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The interest rate on a car loan has decreased 29.3% over the last 10 years and is now 7.7%. What was the rate 10 years ago?

Ludmilka [50]

We know that the interest decreased by 29.3%, therefore what was left now is simply just 70.7% of the original, therefore we divide this by 0.707

rate = 7.7% / 0.707

rate = 10.89%

<span>So the rate was 10.89% 10 years ago</span>

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3 years ago

PLEASE HELP ME 20 POINTS + BRAINLIEST

Simora [160]

Answer:

Step-by-step explanation:

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3 years ago

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The product of six and a number is multiplied by nine

alex41 [277]

6 + y × 9 (the x is a times sign btw)

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3 years ago

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Write an equation and solve: Your math homework has 6 more than three

lorasvet [3.4K]

Answer: 33 math problems.

Step-by-step explanation:

Let x = Number of math problems

y= Number of history problems

According to the question , we have

$3y+6=x\ \ \ \ \ (i)\\\\ x+y=42\ \ \ \ (ii)$

We can rewrite (i) as $x-3y=6$ (iii)

Now, subtract (iii) from (ii), we get

$y-(-3y)=42-6\\\\\Rightarrow\ y+3y=36\\\\\Rightarrow\ 4y=36\\\\\Rightarrow\ y= \dfrac{36}{4}\\\\\Rightarrow\ y=9$

Put this in (i), we get

$x=3(9)+6 = 27+6=33$

Hence, you have to complete 33 math problems.

8 0

3 years ago

A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of

Alchen [17]

We are asked to solve for the width "x" in the given problem. To visualize the problem, see attached drawing.
We have the area of the swimming pool such as:
Area SP = l x w
Area SP = 10 * 16
Area SP = 160 feet2
Area of the swimming pool plus the sidewalk with uniform width:
Area SP + SW = (10 + x) * (16 + x)
160 + 155 = 160 + 10x + 16x + x2
160 -160 + 155 = 26x + x2
155 = 26 x + x2
x2 + 26x -155= 0
Solving for x, we need to use quadratic formula and the answer is 5 feet.

The value of x is <span>5 feet. </span>

5 0

3 years ago