PLSSSS HELP ASAPPP !!!!!!

Mathematics

2 answers:

snow_tiger [21]3 years ago

8 0

Its 6/9

2 x 3 = 6

3 x 3 = 9

therefore,

6/9

Marysya12 [62]3 years ago

3 0

It is 6 because 3x3=9 then you do the same for 2 so 6/9

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Complete the ordered pairs so that each is a solution of the given linear equation. Then graph the equation. x=6+y

Sav [38]

$x=6+y
\\y=x-6
\\x=0 \Rightarrow y=-6
\\x=-2 \Rightarrow y=-8
\\x=6 \Rightarrow y=-0
\\
\\(0,-6),(-2,-8),(6,0)$

6 0

3 years ago

How much water should be added to 8 quarts of 90% antifreeze to get a 30% solution?

Serjik [45]

Answer:

16 quarts

Step-by-step explanation:

Let's say x is the volume of water.

Initially, the amount of antifreeze is the concentration times the volume: 0.90 (8).

After the water is added, the amount of antifreeze is the new concentration times the new volume: 0.30 (8 + x).

Since the amount of antifreeze doesn't change, we can set these equal and solve for x.

0.90 (8) = 0.30 (8 + x)

7.2 = 2.4 + 0.30 x

4.8 = 0.30 x

x = 16

16 quarts of water should be added.

7 0

3 years ago

Pls help and show working due ASAP <br> Please

olga2289 [7]

Answer:

Option B

Step-by-step explanation:

In a triangle , sum of measure of any 2 sides is always greater than the measure of the third side. So

$5 + 12 > k$

$= > 17 > k$

Hence the measure of k is less than 17.

In the triangle , measure of the longest side is 12 cm. As we know that sum of measure of any 2 sides of triangle is greater than the measure of third side , the value of k should be more than 7cm because <u>if the value of k would be 7 , then 5 + 7 = 12 and the sum will get equal to the measure of longest side , hence such triangle wont exist.</u>