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anygoal [31]
3 years ago
5

Which two ratios form a proportion? A) 3 : 4 and 6 : 12 B) 3 : 4 and 9 : 15 C) 3 : 4 and 12 : 18 D) 3 : 4 and 15 : 20

Mathematics
2 answers:
weqwewe [10]3 years ago
4 0
The answer to this question is D
Andre45 [30]3 years ago
3 0

Answer:

d forms a proportion

Step-by-step explanation:

3x5=15,4×5=20

so they both increase protionally

therefore they are protional

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Marina86 [1]

Answer:

x = 4.5, 4/7

Step-by-step explanation:

To find the roots of a factored equation you need to set the y value at 0, that way you can solve for x. Once you solve for x you get two quantities, which can be graphed. These two quantities are where the x intercepts are.

7 0
3 years ago
What is the simplified expression for 3^3 . 3^3/3^4
jeka57 [31]
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6 0
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Which of the following equations represents a line that is parallel to the line that passes through the points below?
Pepsi [2]

Answer:

See below

Step-by-step explanation:

Two lines are parallel if they have the same slope but different y-intercepts. So the slope that can be formed given the points (-3,6) and (9,2) is (9-(-3))/(2-6)=12/-4=-3

With y=-3x+b, we need b, which can be found by plugging in either point:

2=-3(9)+b

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So the y-intercept therefore cannot be 29 but it can be any real number.

So the equation y=-3x+2 works, y=-3x+3, y=-3x+4, and so on....

3 0
3 years ago
Use the information given to enter an equation in standard form. Slope is 4/7 , and (5,8) is on the line.
aalyn [17]
8=4/7(7) + b
b=4
Y= 4/7 x + 4
[You might wanna check your answer, I might be wrong. Sorry if I’m wrong.]
4 0
2 years ago
What is Max’s final number of his number if his starting number is 7?
vitfil [10]

Answer:

30

Step-by-step explanation:

(n+8)=2(7+8)=2(15)=30

4 0
3 years ago
Read 2 more answers
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