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sergejj [24]
3 years ago
8

Which ratios form a proportion?

Mathematics
1 answer:
Eduardwww [97]3 years ago
8 0
D is the correct answer because 4/10=0.40 and 10/25=0.40
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lyn put 3 7/8 gas in her gas tank. If there are now 18 1/6 gallons in her tank, how many gallons did she start with?
djyliett [7]

Answer:

14.3 gallons

Step-by-step explanation:

18 1/6 gallons - 3 7/8 = 14.29

18 - 3 = 15

1/6 - 7/8 = 15 - 0.70833333333 = 14.2916666667

You need to be careful here if you use basic subtraction, simply as two minus would change to addition.

3 0
3 years ago
25POINTSSSSSSSSSS!!!!!!!!!
nordsb [41]
To solve this you need to use this formula: 1/2Pi x D
So we can multiply 0.5 x 3.14 x 1.7
Your answer is 2.669
Your answer is C.)
4 0
3 years ago
What is the reflection of (-50, -30) across the y-axis?
Firlakuza [10]

Answer:

(50,-30)

Step-by-step explanation:

Reflecting a point across the y axis is just like flipping a page on a book. The x  coordinate is flipped and the y coordinate stays the same.

5 0
3 years ago
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What does Quadrant I mean
ivolga24 [154]

Answer:

It's a positive or negative space on a coordinate plain. There are  4 Qaudrants, ++, -- , +-, -+

Step-by-step explanation:

3 0
3 years ago
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Please help me! How do u do these?
Naily [24]

Answer:

Q3: x = -2

Q6: x = -24

Step-by-step explanation:

Q3:

3 - x = 5

A rule in algebra that you must follow is that whatever you do to the left, you do to the right.

For this question, subtract 3 from both sides to isolate the variable x.

- x = 5 - 3

- x = 2

Now, divide both sides by -1.

\frac{ - x}{ - 1}  =  \frac{2}{ - 1}

x =  - 2

Q6:

\frac{x}{6}  =  - 4

Multiply both sides by 6:

x =  - 4 \times 6

x =  - 24

4 0
3 years ago
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