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krek1111 [17]
3 years ago
10

What value of x makes x/20 and 3/4 proportionate

Mathematics
2 answers:
hodyreva [135]3 years ago
8 0
The Answer is x=15. Good luck!
lara31 [8.8K]3 years ago
6 0

Answer:

Step-by-step explanation:

the fractions have to be equivalent to be in proportion so notice that

20 = 4·5  so

\frac{3}{4} = \frac{3*5}{4*5} = \frac{15}{20}

x= 15 because  15/20 is proportionate with 3/4

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Guys please help me
poizon [28]
<h3>Answer:   -4</h3>

==========================================================

Explanation:

We can pick any two rows from the table to get the (x,y) points needed to find the slope.

Let's say we pick the second and third rows

Subtract the y values: 14-6 = 8

Subtract the x values in the same order: 1-3 = -2

Divide the differences: 8/(-2) = -4

The slope is -4

--------------------------------------------------

You can use the slope formula

Let's say the points are (x1,y1) = (1,14) and (3,6)

m = (y2-y1)/(x2-x1)

m = (6-14)/(3-1)

m = -8/2

m = -4

It's the same basic idea as the previous section. You subtract the y values together (y2-y1) and the x values together (x2-x1) and divide the differences to get m. The order of subtraction doesn't matter as long as you stay consistent. If you do something like y2-y1 and x1-x2, then you'll get the wrong slope value.

3 0
3 years ago
Which of the following expressions is equivalent to 3x + 3x + 5 + 5?
Kipish [7]
Remember
ab+ac=a(b+c0

3x+3x+5+5
2(3x)+2(5)
2(3x+5)

2nd option
4 0
3 years ago
Read 2 more answers
Cody is selling chocolate and white chocolate candy bars for a school fundraiser. 30% of the candy bars sold have been white cho
aniked [119]
24/.30 is how you would get your answer and 80
8 0
3 years ago
A ladder is placed with its foot 5m from the bottom of a wall 12m high. The top of the ladder just
Stels [109]

Answer:

13 m

Step-by-step explanation:

The ladder forms a right triangle with the wall that has legs of 5 and 12. We need to solve for the length of the ladder, which in this case, is the hypotenuse of the right triangle. You could use the Pythagorean Theorem but there's an easier way to do this. We can use the 5 - 12 - 13 Pythagorean triple so we know that the length of the ladder is 13 m.

8 0
3 years ago
What is the greatest common factor of 14x^5+6x^3
almond37 [142]
The final answer is 2x3
5 0
3 years ago
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