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elixir [45]
3 years ago
5

Y and X have a proportional relationship and Y equals five when X equals four what is the value of X when Y equals eight

Mathematics
1 answer:
sweet [91]3 years ago
7 0
I'm thinking that X would equal 7.
The proportion shown above says X=4 when Y=5. The relationship seems to be that Y is always one value more than X.
Hope this helps!
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Find the slope-intercept form of the equation of the line passing through the points.
LekaFEV [45]
Plog in to y=ax+b and u will find a b
5 0
2 years ago
The measures of the angles in an equilateral triangle are equal.
JulijaS [17]

Answer:

c.60°

Step-by-step explanation:

A triangle has 3 angles. Sum of angles in a triangle is 180 degrees. Three angles of an equilateral triangle are equal

So 180/3 = 60

7 0
2 years ago
A triangular courtyard has a perimeter of 120 meters. The lengths of two sides are 30 meters and 50 meters. How long is the thir
Masja [62]

Answer:

the third side is 40 m long

Step-by-step explanation:

The perimeter of the triangle is the sum of its three sides, and they give you what that value in meters is (120 m)

Your are given the length of two of them: 30 m and 50 m, and need to find the third one (let's call it "x" for this unknown side)

Now set the following equation:

Perimeter = side 1 + side 2 + side 3   --> replace these with the info you know

120 m = 30 m + 50 m + x   --> add 30 m and 50 m obtaining 80 m

120 m = 80 m + x  --> now solve for x (isolate the x on one side) by subtracting 80 m from both sides

120 m - 80 m = x  --> perform the subtraction 120 m - 80 m = 40 m

40 m = x

Which tells us that the third unknown side has a length of 40 m

7 0
3 years ago
Read 2 more answers
HELP PLS 30) PTS
Verdich [7]

Answer:

32 ; 20

Step-by-step explanation:

Middle section: 26

Sum of parallel lengths: 2 × 26 = 52

Ratio of the sides:

100% : 62.5%

8 : 5

5/(8+5) × 52

20

8/(8+5) × 52

32

6 0
3 years ago
Share R86,70 in the ratio 2 : 1​
rusak2 [61]

Answer:

2:1

2=5780

1=2890

Step-by-step explanation:

2/2+1=2/3×86,70=5780

1/2+1=1/3×8670=2890

4 0
2 years ago
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