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frutty [35]
3 years ago
5

Please help me with this

Mathematics
1 answer:
o-na [289]3 years ago
4 0

Answer:

\frac{2}{3}

Step-by-step explanation:

If we use the form y=kx where k is the constant of proportionality we can see that k=\frac{2}{3} in this instance is our constant of proportionality because \frac{2}{3} is the constant number we multiply x by.

:)

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-8r –9 > -21...............
Lesechka [4]

Answer:

r < 3/2 or r < 1.5

Step-by-step explanation:

-8r - 9 > 21

-8r > -21 +9

-8r > -12

divide both sides by -8

= r < 3/2 or 1.5

6 0
3 years ago
How do i do this. i need help
ladessa [460]

Answer:

  (a)  greater

Step-by-step explanation:

When comparing numbers, it is helpful to have them in the same form. You could express them both as fractions with the same denominator, as percentages, as decimals, or any other form you like.

  walk to school: 18%

  close to school: 11/50 = 22/100 = 22% . . . (greater than 18%)

The portion of students who live within 1/2 mile of school is greater than the portion who walk to school.

_____

<em>Additional comment</em>

The % symbol essentially means /100.

Then 18% = 18/100 = 9/50. The fraction 11/50 is greater than this.

8 0
3 years ago
-2x-8y= -32 slope intercept form
AlekseyPX

Answer:

y = -1/4x +4

Step-by-step explanation:

Slope intercept form is

y = mx+b where m is the slope and b is the y intercept

-2x-8y = -32

Add 2x to each side

-2x+2x-8y =2x -32

-8y = 2x-32

Divide each side by -8

-8y/-8 = 2x/-8 -32/-8

y = -1/4x +4

5 0
3 years ago
The ratio of blue marbles to red marbles in a box is 3 to 2. if there are 12 blue marbles in a box then how many red marbles are
valkas [14]
The answer is: 8 red marbles!

This is because the equation can be written out like this
Blue to red - 3:2
Now it is, blue to red - 12:x

We have to think, what is the difference from the first equation to the second. We know the number 3 times 4 = 12, so we would do the same for the red, 2 times 4=8

If this helped, give me brainliest :)
6 0
3 years ago
Read 2 more answers
Please Help: Adelle solved the equation 4x/7-6= -20 as shown. Fill in the correct justification for each step. Will Mark Brainli
Allisa [31]

Answer:

1. shift -6 to the right side and plus with-20

2.shift 7 to other side and it will be multiply

3. 4x need to divide by 4 to get the value of x

6 0
3 years ago
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